Residue on Exhaust Resonator and/or Tailpipe (Clean Off Welding Residue with Brake Cleaner)
| Subject: | Residue on Exhaust Resonator and/or Tailpipe (Clean Off Welding Residue with Brake Cleaner) |
| Models: | 2007 Cadillac Escalade Models |
| 2007 Chevrolet Avalanche, Suburban, Tahoe |
| 2007 GMC Denali Models, Yukon Models |
Do This | Do Not Do This |
|---|---|
Clean the exhaust resonator and tailpipe. | DO NOT replace the muffler assembly. |
Condition
Some customers may comment that the rear exhaust resonator and/or tailpipe appears to be rusted.
Cause
A form of welding residue is left behind on the exhaust system after the tailpipe and / or the exhaust tip has been welded.
Correction
Caution: In order to avoid being burned, do not clean the exhaust system while it is hot. Clean the exhaust system when it is cool.
Wet a shop cloth with GM Brake Cleaner, P/N 12378392 (in Canada, 88901247) or equivalent, and wipe off any excess welding residue around the exhaust resonator and/or the tailpipe.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
*L9711 | Clean Welding Residue from Exhaust Resonator / Tailpipe | 0.2 hr |
* This labor operation number is for bulletin use only. This number will not be published in the Labor Time Guide. | ||
