GM Service Manual Online
For 1990-2009 cars only

Object Number: 2018948  Size: MF

Callout

Component Name

Preliminary Procedure

  1. With the engine off, apply the brake pedal several times until the brake pedal becomes firm to deplete the vacuum brake booster vacuum reserve.
  2. Remove the engine cover. Refer to Engine Cover Replacement
  3. Detach the charge air cooler outlet pipe for access. Refer to Charge Air Cooler Inlet Pipe and Outlet Pipe Replacement

1

Vacuum Hose (Qty: 2)

2

Pump To Engine Fasteners (Qty: 4)

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Install NEW gasket.

Tighten
9 N·m(80 lb in)

3

Vacuum Pump Assembly