GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Exterior Trim 🢒 Vacuum Tank Replacement

Removal Procedure

    Object Number: 281475 Size: SH
  1. Remove the brake pressure modulator valve. Refer to Brake Pressure Modulator Valve Replacement in Antilock Brake System.
  2. Disconnect the vacuum hose(s).

    3. Object Number: 281477 Size: SH
  3. Using a flat-bladed tool, depress the retaining tabs in order to remove the vacuum tank.

Installation Procedure

    Object Number: 281477 Size: SH
  1. Install the vacuum tank. Ensure that the retaining tabs lock into place.

    2. Object Number: 281475 Size: SH
  2. Install the vacuum hose(s).
  3. Install the brake pressure modulator valve. Refer to Brake Pressure Modulator Valve Replacement in Antilock Brake System.