GM Service Manual Online
For 1990-2009 cars only

Delayed Front Windshield Washer Fluid Spray (Install Windshield Washer Check Valve)

Subject:Delayed Front Windshield Washer Fluid Spray (Install Windshield Washer Check Valve)

Models:2006-2007 Buick Rainier
2006-2008 Chevrolet TrailBlazer Models
2006-2008 GMC Envoy Models
2006-2008 Saab 9-7X



This bulletin is being revised to add the Saab 9-7X model and Saab Warranty Information. Please discard Corporate Bulletin Number 06-08-43-002A (Section 08 -- Body and Accessories).


Do This

Don't Do This

Install a windshield washer check valve.

Do not replace the windshield washer pump.

Condition

Some customers may comment on a delayed windshield washer fluid spray with the wipers going through a few cycles before liquid is squirted through the washer nozzles.

Cause

The windshield washer pump may lose pump prime when the washer fluid level is approximately 1/3 or less in the windshield washer container.

Correction

Technicians are to install a windshield washer check valve in place of the barbed fitting at the front windshield washer hose following the steps below:

  1. Open the hood.

  2. Object Number: 1986028  Size: SH
  3. Locate the front windshield washer hose at the plastic barbed fitting (1) by the radiator surge tank along the right front fender.
  4. Remove the front windshield washer hose from the radiator surge tank retainer.

  5. Object Number: 1986030  Size: SH
  6. Disconnect the plastic barbed fitting (1) from the air inlet panel washer hose (2) as shown above.
  7. Using a pair of pliers, remove the plastic barbed fitting from the front washer hose and discard.
  8. Important: The new windshield washer check valve may be installed in any direction.

  9. Install the new windshield washer check valve, P/N 24024822, to the front windshield washer hose.
  10. Install the air inlet panel washer hose to the other end of the new windshield washer check valve.
  11. Install the front windshield washer hose back into the radiator surge tank retainer.
  12. Close the hood.
  13. Verify the proper operation of the windshield washers.

Parts Information

Part Number

Description

Qty

24024822

Hose, Windshield Washer Check Valve

1

Warranty Information (excluding Saab U.S. Models)

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

B1790

Hoses, Nozzles Or Stops, Wiper Front - Repair Or Replace

Use Published Labor Operation Time

Warranty Information (Saab U.S. Models)

For vehicles repaired under warranty, use:

Labor Operation

Description

Failed Object

Fault/Reason Code

Location Code

Warranty Type

Repair/Action Code

Labor Time

3635601

Hoses, Nozzles Or Stops, Wiper Front - Repair Or Replace

36356

71

01

01

01 (Replace)

05 (Repair)

Use Published Labor Operation Time