GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2002 🢒 Isuzu T-Series (Truck Line C) 🢒 Steering 🢒 Power Steering System 🢒 End Limiters Replacement

Removal Procedure
  1. Position the front wheels and the steering wheel straight ahead.
  2. Tilt the cab. Refer to Cab Tilting in General Information.
  3. Place a container under the power steering gear in order to catch the fluid.

    4. Object Number: 227948 Size: LH
  4. Remove the following components from the steering gear:
    5. 4.1. The top end limiter (4)
    4.2. The O-ring (5)
    4.3. The bottom end limiter (13)
    4.4. The O-ring (12)

Installation Procedure

    Object Number: 227948 Size: LH
  1. Install the following components into the steering gear.
    2. 1.1. The O-ring (12)
    1.2. The bottom end limiter (13)
    1.3. the O-ring (5).
    1.4.  the top end limiter (4)
  2. Fill and bleed the power steering system. Refer to Power Steering System Bleeding .

Adjustment Procedure

    Important: Check the end limiter valves whenever different sized tires are installed on a vehicle.

  1. Ensure that the steering stop screws are properly adjusted. Refer to Stop Screw Adjustment in Suspension.
  2. Start the engine.

    3. Operate the vehicle at idle.

    Notice: Do not hold the steering wheel in the full turn position longer than 5 seconds, as damage to the steering pump may result.

  3. Perform the following procedures:
    4. 3.1. Turn the steering wheel counterclockwise until the steering effort increases.

    Turn the steering wheel to a full lock.

    Do not use force on the steering wheel.

    3.2. Observe the steering pump in order to determine if the steering pump goes into pressure relief. The following actions occur when the steering pump goes into pressure relief:
       • Engine loading begins.
       • The chassis rises or lowers.
       • The movement of the chassis depends on the turn direction.
    3.3. If the steering pump goes into pressure relief, replace the end limiter valves.
    3.4. Proceed to step 4 if the power steering pump does not go into pressure relief.
  4. Measure the clearance between the steering stop bolt and the axle center.

    5. The correct clearance value is 3-5 mm (0.1250-0.1875 in) with the steering at full lock.

  5. Replace the end limiter valves if the clearance is incorrect.
  6. Lower the cab.