GM Service Manual Online
For 1990-2009 cars only

When you open the hood on the 6.6L DURAMAX® Diesel Engine, you will see the following:

United States Pickup models shown, Canada similar


Object Number: 1827637  Size: C1
  1. Engine Air Cleaner/Filter

  2. Remote Positive (+) Terminal

  3. Coolant Surge Tank

  4. Battery

  5. Engine Air Cleaner/Filter Restriction Indicator (If Equipped)

  6. Engine Oil Dipstick

  7. Automatic Transmission Dipstick

  8. Engine Oil Fill Cap

  9. Engine Fan

  10. Power Steering Fluid Reservoir

  11. Brake Fluid Reservoir

  12. Underhood Fuse Block

  13. Windshield Washer Fluid Reservoir

United States Van models shown, Canada similar


Object Number: 1561641  Size: C1
  1. Battery

  2. Coolant Surge Tank

  3. Automatic Transmission Dipstick

  4. Engine Fan

  5. Engine Air Cleaner/Filter

  6. Air Cleaner/Filter Restriction Indicator

  7. Power Steering Fluid Reservoir

  8. Brake Fluid Reservoir

  9. Windshield Washer Fluid Reservoir

When you open the hood on your vehicle, you will see:


Object Number: 1996507  Size: C1
  1. See "Engine Air Cleaner/Filter" in the owner manual.

  2. Drive Motor/Generator Control Module (DMCM). See Drive Motor/Generator Control Module (DMCM) Cooling System.

  3. Engine Oil Dipstick. See "Engine Oil" in the owner manual.

  4. Automatic Transmission Fluid Dipstick. See Automatic Transmission Fluid.

  5. Brake Fluid Reservoir. See Brakes.

  6. See "Underhood Fuse Block" in the owner manual.

  7. See "Windshield Washer Fluid" in the owner manual.

  8. Hybrid Auxiliary Fuse Block. See Underhood Fuse Block.

  9. DMCM Coolant Surge Tank Pressure Cap. See Drive Motor/Generator Control Module (DMCM) Coolant Surge Tank Pressure Cap.

  10. See "Coolant Surge Tank Pressure Cap" in the owner manual.

  11. Engine Oil Fill Cap. See "Engine Oil" in the owner manual.

If the vehicle has the DURAMAX® Diesel engine, see the DURAMAX® Diesel manual for more information.

When you open the hood on the 5.3L engine (4.3L, 4.8L, 6.0L and 6.2L similar), this is what you will see:


Object Number: 2020800  Size: C1
  1. Engine Air Cleaner/Filter.

  2. Coolant Surge Tank and Pressure Cap. See Cooling System.

  3. Positive (+) Terminal. See Jump Starting.

  4. Battery.

  5. Engine Oil Fill Cap. See "When to Add Engine Oil" under Engine Oil.

  6. Automatic Transmission Dipstick. See "Checking the Fluid Level" under Automatic Transmission Fluid.

  7. Remote Negative (-) Terminal (Out of View). See Jump Starting.

  8. Engine Oil Dipstick (Out of View). See "Checking Engine Oil" under Engine Oil.

  9. Engine Cooling Fan. See Cooling System.

  10. Power Steering Fluid Reservoir. See Power Steering Fluid.

  11. Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes.

  12. Underhood Fuse Block.

  13. Windshield Washer Fluid Reservoir. See "Adding Washer Fluid" under Windshield Washer Fluid.