C 1500 Yukon XL 2WD V8-8.1L VIN G (2001)
Check Valve: Customer Interest
Wipers/Washers - Rear Window Spray Nozzle Dripping
File In Section: 08 - Body and Accessories
Bulletin No.: 03-08-43-002A
Date: September, 2004
TECHNICAL
Subject:
Rear Window Washer Spray Nozzle Drips Leaving Stain On Rear Bumper Step Cover (Install Additional Rear Window Washer Check Valve and
Apply Conditioner to Rear Bumper Cover)
Models:
2002-2004 Cadillac Escalade
2003-2004 Cadillac Escalade ESV
2000-2004 Chevrolet Suburban, Tahoe
2000-2004 GMC Yukon, Yukon XL
This bulletin is being revised to update the repair procedure and add warranty information. Please discard Corporate Bulletin Number 03-08-43-002
(Section 08 - Body and Accessories).
Condition
Some customers may comment on the rear window washer spray nozzle dripping and leaving a stain on the rear bumper step cover.
Cause
The location of the existing rear window washer check valve along with thermal expansion of the valve may be the cause of this condition.
Correction
Follow the service procedure below to add an additional check valve to the rear window washer hose where it passes through the lift gate sheet metal.
1.
Remove the lift gate garnish molding.
1.1.
Open the lift gate window.
1.2.
Remove the pushpin retainers from the garnish molding.
1.3.
Pry gently with a thin-bladed tool in order to release the retaining clips.
1.4.
Remove the garnish molding.
2.
Remove the lift gate trim panel.
2.1.
Remove the pull strap.
2.2.
Pry gently with a thin-bladed tool in order to release the retaining clips.
2.3.
Slide the trim panel upward to disengage the mounting hooks.
2.4.
Remove the trim panel from the lift gate.
3.
Locate and remove the straight connector that connects the washer hose to the pass through grommet on the lift gate sheet metal. Discard the
straight connector.