GM Service Manual Online
For 1990-2009 cars only

The services shown in this schedule up to 166 000 km (100,000 mi) should be performed after 166 000 km (100,000 mi) at the same intervals. The services shown after 166 000 km (100,000 mi) should be performed at those intervals.

Refer to Explanation of Scheduled Services for further explanation of the maintenance services. Note the differences between Short Trip/City oil change and clutch pedal free travel intervals in comparison to Long Trip/Highway.

1 600 km (1,000 mi)

Perform the wheel stud nut service. (46)

5 200 km (3,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Inspect and clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Service the rear axle air shift motor. (11)

10 400 km (6,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Verify the curb idle speed (or every 12 months, whichever occurs first). (29)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the underhood insulation service (or every month, whichever occurs first). (4, 5, 21)

15 600 km (9,750 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Clean the air conditioner filter (or every month, whichever occurs first).

20 800 km (13,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2,  6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform the front and rear suspension service. (14)
    • Perform the spring-to-axle U-bolts and the shackle bolts service. (16)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Perform the hydraulic brake caliper service (or every 6 months, whichever occurs first). (22)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Inspect the exhaust system (or every month, whichever occurs first). (3, 4, 17)
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the underhood insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Verify the operation of the air brake relay valve and inspect for leaks (or every month or every 300 hours, whichever occurs first).

26 000 km (16,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

31 000 km (19,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Inspect door hinge pins and bushings and replace as necessary.
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic brake caliper service (or every 6 months, whichever occurs first). (22)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the underhood insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Clean the air brake application valve (or every 3 months, or every 300 hours, whichever occurs first). Lubricate the linkage.

36 400 km (22,750 mi)

    • Enspect the door hinge pins and bushings and replace as necessary. Lubricate door hinge pins and rollers with engine oil.
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

41 600 km (26,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Replace fuel filter (or every 6 months, whichever occurs first). (3)
    • Replace Engine air cleaner filter replacement service (or every 24 months, whicever occurs first. (3, 4, 27)
    • Perform the steering system inspection. (13)
    • Perform front and rear suspension service. (14)
    • Perform spring-to-axle U-bolts and shackle bolts service. (16)
    • Perform exhaust system service (or every month, whichever occurs first). (3, 4, 17)
    • Perform air brake service (or every 6 months, whichever occurs first).
    • Inspect the fuel injection fuel lines (or every 12 months, whichever occurs first). (26)
    • Perform the wheel bearing service (or every 24 months, whichever occurs first and whenever the hubs are removed). (23)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Perform the engine drive belts service (or every 12 months, whichever occurs first). (18)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Perform the air brake service (or every 6 months, whichever comes first). (34)
    • Inspect the air intake system (or every 24 months, whichever occurs first). (4, 5, 24)
    • Perform the rear axle air shift motor service. (11)
    • Verify the operation of the air brake relay valve and inspect for leaks (or every month or every 300 hours, whichever occurs first).
    • Inspect the operation of the air brake chamber (or every 2 months, whichever occurs first). (41)
    • Perform the trailer brake hand control valve service (or every 3 months, or 900 hours, whichever occurs first). (42)
    • Inspect the starter brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.
    • Inspect the generator brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.

46 800 km (29,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean air conditioner filter (or every month, whichever occurs first). Refer to HVAC.
    • Lubricate the clutch shift block (or every month, whichever occurs first).

52 000 km (32,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and rollers using engine oil.
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the underhood insulation service (or every month, whichever occurs first). (4, 5, 21)

57 200 km (35,750 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

62 400 km (39,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Inspect door hinge pins and bushings and replace as necessary.
    • Lubricate the door hinge pins and rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform front and rear suspension service. (14)
    • Perform spring-to-axle U-bolts and shackle bolts service. (16)
    • Replace the fuel filter (or every 6 months, whicever occurs first).
    • Perform exhaust system service (or every month, whicever occurs first).
    • Perform the air brake service (or every 6 months, whichever occurs first). (39)
    • Perform wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform hydraulic brake caliper service (or every 6 months, whichever occurs first). (22)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the underhood insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Verify the operation of the air brake relay valve and inspect for leaks (or every month or every 300 hours, whichever occurs first).
    • Clean the air brake application valve (or every 3 months, or every 300 hours, whichever occurs first). Lubricate the linkage.

67 600 km (42,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

72 800 km (45,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and rollers using engine oil.
    • Perform the wheels and tires service. (15,46)
    • Perform the brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)

78 000 km (48,750 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

83 200 km (52,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform the front and rear suspension service. (14)
    • Perform the spring-to-axle U-bolts and the shackle bolts service. (16)
    • Perorm the exhaust system service (or every month, whichever occurs first). (3, 4, 17)
    • Perform air brake service (or every 6 months, whichever occurs first). (39)
    • Verify the curb idle speed (or every 12 months, whichever occurs first). (29)
    • Perform the injector service (or every 12 months, whichever occurs first). (25)
    • Inspect fuel injection fuel lines (or every 12 months, whichever occurs first). (26)
    • Perform the wheel bearing service (or every 24 months, whichever occurs first and whenever the hubs are removed). (23)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Perform the engine drive belts service (or every 6 months, whichever occurs first). (18)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Inspect the air intake system (or every 24 months, whichever occurs first). (4, 24)
    • Replace the fuel filter (or every 6 months, whichever occurs first. (3)
    • Replace the air cleaner filter (or every 24 months, whichever occurs first). (3, 4, 27)
    • Adjust the valve lash (or every 12 months, whichever occurs first). (28)
    • Retighten the manifold mounting and the injector bracket nuts to specifications (or every 6 months, whichever occurs first).
    • Perform the rear axle air shift motor service. (11)
    • Verify the operation of the air brake relay valve operation and inspect for leaks (or every month or every 300 hours, whichever occurs first).
    • Inspect the operation of the air brake chamber (or every 2 months, whichever occurs first). (41)
    • Perform the trailer brake hand control valve service (or every 3 months, or 900 hours, whichever occurs first). (42)
    • Air brake automatic slack adjuster service (or every 500 hours, whichever occurs first). (40)
    • Inspect the starter brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.
    • Inspect the generator brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.

88 400 km (55,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

93 600 km (58,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Inspect the door hinge pins and rollers.
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Replace the air conditioning filter dryer (or every 18 months, whichever occurs first, and whenever the refrigerant charge is lost for any reason).
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic brake caliper service (or every 6 months, whichever occurs first). (22)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Clean the air brake application valve (or every 3 months, or every 300 hours, whichever occurs first). Lubricate the linkage.

98 750 km (61,750 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

104 000 km (65,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform the front and rear suspension service. (14)
    • Perform the spring-to-axle U-bolts and the shackle bolts service. (16)
    • Replace fuel filter (or every 6 months, whichever occurs first).
    • Inspect the exhaust system (or every month, whichever occurs first). (3, 4, 17)
    • Perform the air brake service (or every 6 months, whichever occurs first). (39)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 21)
    • Verify the operation of the air brake relay valve operation and inspect for leaks (or every month or every 300 hours, whichever occurs first).

109 200 km (68,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

114 400 km (71,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and rollers using engine oil.
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 21)

119 600 km (74,750 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

124 800 km (78,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Inspect door hinge pins and bushings and replace as necessary.
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform the front and rear suspension service. (14)
    • Perform the spring-to-axle U-bolts and the shackle bolts service. (16)
    • Inspect the exhaust system (or every month, whichever occurs first). (3, 4, 17)
    • Perform the air brake service (or every 6 months, whichever comes first). (34)
    • Perform the wheel bearing service (or every 24 months, whichever occurs first and whenever the hubs are removed). (23, 47)
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Perform the engine drive belts service (or every 12 months, whichever occurs first). (18)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4 5, 21)
    • Inspect the air intake system (or every 24 months, whichever occurs first). (4, 24)
    • Replace the fuel filter (or every 6 months, whichever occurs first. (3)
    • Perform the fuel tank, the fuel cap, and the fuel lines service (or every 72 months, whichever occurs first). (3, 30)
    • Replace the air cleaner filter (or every 24 months, whichever occurs first). (3, 4, 27)
    • Perform the rear axle air shift motor service. (11)
    • Verify the operation of the air brake relay valve operation and inspect for leaks (or every month or every 300 hours, whichever occurs first).
    • Clean the air brake application valve (or every 3 months, or every 300 hours, whichever occurs first). Lubricate the linkage.
    • Inspect the operation of the air brake chamber (or every 2 months, whichever occurs first). (41)
    • Perform the trailer brake hand control valve service (or every 3 months, or 900 hours, whichever occurs first). (42)
    • Air brake automatic slack adjuster service (or every 500 hours, whichever occurs first). (40)
    • Inspect the starter brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.
    • Inspect the generator brushes for wear (or every 12 months, whichever occurs first). Replace the brushes as necessary.

130 000 km (81,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

135 200 km (84,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and rollers using engine oil.
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and undercab insulation service (or every month, whichever occurs first). (4, 5, 21)

140 400 km (87,750 mi)

    • Perform the wheel bearing service - Eaton® Axle (oil filled) (or every 36 months, whichever occurs first). (23, 47)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

145 600 km (91,000 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Perform the steering system inspection. (13)
    • Perform the front and the rear suspension service. (14)
    • Perform the spring-to-axle U-bolts and the shackle bolts service. (16)
    • Replace fuel filter (or every 6 months, whichever occurs first).
    • Perform exhaust system service (or every month, whichever occurs first). (3, 4, 17)
    • Perform air brake service (or every 6 months, whichever occurs first). (39)
    • Perform the wheels and tires service. (15)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the thermostatically controlled engine cooling fan service. (4, 20)
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Verify the operation of the air brake relay valve and inspect for leaks (or every month or every 300 hours, whichever occurs first).

150 800 km (94,250 mi)

    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the clutch shift block (or every month, whichever occurs first).

156 000 km (97,500 mi)

    • Change the engine oil and the filter (or every 3 months, whichever occurs first). (3, 9)
    • Inspect the fluid levels (or every 3 months, whichever occurs first). (1, 2, 6)
    • Perform the chassis lubrication service (or every 6 months, whichever occurs first). (12)
    • Clean the air conditioner filter (or every month, whichever occurs first).
    • Lubricate the water pump (or every 3 months, whichever occurs first).
    • Lubricate the steering column shaft (or every 3 months, whichever occurs first).
    • Inspect the door hinge pins and bushings and replace as necessary.
    • Lubricate the door hinge pins and the rollers using engine oil.
    • Replace the air conditioning filter dryer (or every 18 months, whichever occurs first, and whenever the refrigerant charge is lost for any reason).
    • Perform the wheels and tires service. (15, 46)
    • Perform the hydraulic brake service (or every 6 months, whichever occurs first). (7)
    • Perform the hydraulic brake caliper service (or every6 months, whichever occurs first). (22)
    • Perform the hydraulic park brake service (or every 6 months, whichever occurs first). (8)
    • Lubricate the clutch shift block (or every month, whichever occurs first).
    • Perform the shields and the undercab insulation service (or every month, whichever occurs first). (4, 5, 21)
    • Inspect the oil level gauge rubber hose for cracks, damage, or other abnormal conditions (or every 12 months, whichever occurs first).
    • Clean the air brake application valve (or every 3 months, or every 300 hours, whichever occurs first). Lubricate the linkage.

166 000 km (100,000 mi)

    • Change the power steering fluid (or every 36 months, whichever occurs first). (13)
    • Perform the front axle service (or every 36 months, whichever occurs first). (38)
    • Provide service to the rear axles (or every 12 months, whichever occurs first). (37)
    • Perform the exhaust brake service, if equipped. Inspect for excessive spindle free play and smooth operation. Lubricate the ball joint cap.
    • Perform the air brake service (or every 12 months, 3,600 hours, whichever occurs first). (44)

240 000 km (150,000 mi)

Perform the cooling system service (or every 60 months since the last service, whichever occurs first). (3, 35)

320 000 km (200,000 mi)

Remove, disassemble, clean and inspect the air brake trailer supply valve (or every 2 years, or 7,200 hours, whichever occurs first).

400 000 km (250,000 mi)

    • Provide service to the Eaton® Axle wheel bearings (oil filled) (or every 36 months, whichever occurs first). (23, 48)
    • Provide service to the rear axles (or every 36 months, whichever occurs first). (37, 48)

480 000 km (300,000 mi)

Remove, disassemble, clean, and inspect the air brake air dryer (or every 3 years, or 10,800 hours, whichever occurs first). Replace the dessicant on Bendix® AD-9 units.