GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Yukon - 4WD 🢒 Steering 🢒 Power Steering System 🢒 Power Steering Gear Inlet Pipe/Hose Replacement

Power Steering Gear Inlet Pipe/Hose Replacement With Gas Hydroboost

Removal Procedure

    Object Number: 650863 Size: SH

    Notice: Do not start the vehicle with any power steering gear inlet or outlet hoses disconnected. When disconnected, plug or cap all openings of components. Failure to do so could result in contamination or loss of power steering fluid and damage to the system.

  1. Install a drain pan under the vehicle.
  2. Remove the power steering gear inlet hose (1) from the brake booster.
  3. Remove the power steering gear inlet hose from the power steering gear.
  4. Remove the power steering gear inlet hose from the vehicle.

Installation Procedure

    Object Number: 650863 Size: SH

    Notice: The inlet and outlet hoses must not be twisted during installation. Do not bend or distort the inlet or outlet hoses to make installation easier. Failure to follow these procedures could result in component damage.

  1. Route the hose in the same position the hose occupied prior to removal.
  2. Install the power steering gear inlet hose (1) to the brake booster (2). Hand tighten only.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the power steering gear inlet hose to the power steering gear.

    4. Tighten
    Tighten both power steering gear inlet hose fittings to 28 N·m (20 lb ft).

  4. Remove the drain pan from under the vehicle.
  5. Bleed the power steering system. Refer to Power Steering System Bleeding .

Power Steering Gear Inlet Pipe/Hose Replacement Without Hydroboost

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the engine protection shield. Refer to Engine Protection Shield Replacement .

    3. Object Number: 748675 Size: SH

    Notice: Do not start the vehicle with any power steering gear inlet or outlet hoses disconnected. When disconnected, plug or cap all openings of components. Failure to do so could result in contamination or loss of power steering fluid and damage to the system.

  3. Install a drain pan under the vehicle.
  4. Remove the power steering gear inlet hose (3) from the power steering pump (1).
  5. Remove the power steering gear inlet hose from the power steering gear.
  6. Remove the power steering gear inlet hose from the vehicle.

Installation Procedure

    Object Number: 748675 Size: SH

    Notice: The inlet and outlet hoses must not be twisted during installation. Do not bend or distort the inlet or outlet hoses to make installation easier. Failure to follow these procedures could result in component damage.

  1. Route the hose in the same position the hose occupied prior to removal.
  2. Install the power steering gear inlet hose (3) to the power steering pump (1). Hand tighten only.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the power steering gear inlet hose to the power steering gear.

    4. Tighten
    Tighten both power steering gear inlet hose fittings to 28 N·m (20 lb ft).

  4. Remove the drain pan from under the vehicle.
  5. Install the engine protection shield. Refer to Engine Protection Shield Replacement .
  6. Lower the vehicle.
  7. Bleed the power steering system. Refer to Power Steering System Bleeding .