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Category: Chevy
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Experience:  GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified
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My 2003 2WD Suburban has a leak. Rain water is getting ...

Customer Question

My 2003 2WD Suburban has a leak. Rain water is getting into car, front passenger side. Leakage flows from under glove compartment, downward, & pools on floor. Local Chevy Dealer & local glass shop checked. It''s not a windshield leak; it''s not A/C leak; windows not leaking either. Local Chevy CANNOT find leak source. Help! My car is drowning every night in the rain!
Submitted: 6 years ago.
Category: Chevy
Expert:  Dan replied 6 years ago.
Subject:Water Leaking From Center Roof Console - keywords adjust alignment appearance body CF5 fit gap headliner leak roof sunroof waterleak #PIT4439 - (06/21/2007)

 

Models:2003-2006 Cadillac Escalade, Escalade ESV, Escalade EXT
2003-2006 Chevrolet Tahoe, Suburban, Avalanche
2003-2006 GMC Yukon, Yukon XL, Yukon Denali, Yukon Denali XL
With Sunroof ( RPO CF5 )

 



The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:

A customer may comment about water leaking from the center roof console caused by a mis-adjusted sunroof glass. The sunroof sits too low in the back, lower than the roof line. The water enters at a D shaped cutout in the sheet metal and will carry along the wire harness, located on the right side of the sunroof, to the center roof console.

Recommendation/Instructions:

Adjust the sunroof glass flush in the front with the roof and the back edge 2 to 3 mm higher than the roof line.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

Subject:Rear Floor Carpet Wet with Dirty Water (Apply Sealer) #03-08-57-001B - (07/27/2005)

 

Models:2002-2004 Cadillac Escalade EXT
2003-2004 Cadillac Escalade ESV
2002-2004 Chevrolet Avalanche, Suburban
2002-2004 GMC Denali XL, Yukon XL

 


This bulletin is being revised to add Warranty information. Please discard Corporate Bulletin Number 03-08-57-001A (Section 08 -- Body & Accessories).


 

This bulletin also cancels and supersedes Corporate Bulletin Number 01-08-57-001A. Please discard Corporate Bulletin Number 01-08-57-001A (Section 08 -- Body & Accessories).


Condition

Some customers may comment that the second row foot well is wet with dirty water. Water may also travel along the rear door rocker sill plate to the front seat footwell area.

Cause 1


Object Number:(NNN) NNN-NNNN Size: SH
Click here for detailed picture of above imageidth=

The rear wheelhouse seam may not be sealed properly. Refer to the illustrations above.

Cause 2


Object Number:(NNN) NNN-NNNN Size: MF
Click here for detailed picture of above imageidth=

There may be a hole in the upper front corner of the fenderwell. Refer to the illustration above.

Cause 3


Object Number: 803872  Size: MF
Click here for detailed picture of above imageidth=

A horizontal seam on the forward surface of the rear fenderwells may be partially covered with undercoating. A potential exists for water to enter the seam along its entire length, particularly in the area of the radius behind the outer wheelhouse molding. See the illustration for seam location.

Correction 1

Seal the rear wheelhouse using the following procedure.

  1. Remove the rear trim panel. Refer to SI Document ID #786031 (Right) or #786026 (Left).
  2. Clean the seam with an alcohol-based cleaner.
  3. Seal the seam with Medium Body Seam Sealing Compound Urethane, P/N 12378501 (Canadian P/N 10952233) or equivalent.
  4. Reinstall the trim panel.

Correction 2

  1. Clean the seam with an alcohol-based cleaner.
  2. Seal the seam with Medium Body Seam Sealing Compound Urethane, P/N 12378501 (Canadian P/N 10952233) or equivalent.

Correction 3

  1. Raise the vehicle on the hoist.
  2. Clean the seam area with soap and water. Blow dry with compressed air.
  3. Apply a generous bead of Lord Fusor sealer on the seam and completely around the seam.

Parts Information

The following material or equivalent should be used.

Part Number

Description

12378501 (Canadian P/N 10952233)

Medium Body Seam Sealing Compound Urethane

*Lord Fusor P/N 803

Black Urethane Sealer/Adhesive

Urethane is currently available from GMSPO.

*Call 1-800-234-3876 (ext. 3) for information on where to purchase Lord Fusor.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

C4010

Panel, Quarter Trim (Right Rear) - R&R or Replace

0.5 hr

C4011

Panel, Quarter Trim (Left Rear) - R&R or Replace

0.5 hr

B6070

Box, Cargo Stowage-Right - Replace

2.1 hrs

B6071

Box, Cargo Stowage-Left - Replace

2.1 hrs

B5410

Body - Reseal

0.1-0.4 hr

 

 

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GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified