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Whistle Noise While Vehicle is Stationary with Brakes Applied (Replace Vacuum Brake Booster Check Valve)

Subject:Whistle Noise While Vehicle Is Stationary with Brakes Applied (Replace Vacuum Brake Booster Check Valve)

Models:2004 Pontiac GTO



Condition

Some customers may comment on a light, barely audible whistle noise while their vehicle is stationary, with the brakes applied. This noise will disappear when the brakes are released.

Correction

Install a new vacuum brake booster check valve. Refer to Vacuum Brake Booster Check Valve and/or Hose Replacement (SI Document ID #1367021).


Object Number: 1541852  Size: SH

The new valve (1) can be easily identified from the old valve (2) by the black cover.

Parts Information

Part Number

Description

Qty

92148176

P/B Booster Valve

1

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

H1240

Valve, Filter, Hose and/or Pipe, Vacuum Power Brake - Replace

Use Published Labor Operation Time