GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Sonoma Pickup - 4WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Power Brake Booster Vacuum Check Valve and Hose Replacement

Removal Procedure

    Object Number: 176823 Size: SH
  1. Remove the vacuum brake booster check valve (1) from the vacuum brake booster.
  2. Remove the vacuum brake booster hose clamp at the check valve.
  3. Remove the vacuum brake booster check valve from the hose (2).

    4. Object Number: 346148 Size: SH
  4. Disconnect the vacuum brake booster hose at the engine.
  5. Remove the vacuum brake booster hose from the vehicle.

Installation Procedure

    Object Number: 346148 Size: SH
  1. Connect the vacuum brake booster hose at the engine.

    2. Object Number: 176823 Size: SH
  2. Install the vacuum brake booster check valve to the hose (2).
  3. Install the vacuum brake booster hose clamp to the check valve.
  4. Install the vacuum brake booster check valve (1) to the vacuum brake booster.