× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 13, 2019
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
2004 Buick LeSabre Custom 3.8L Engine VIN: 1G4HP52K14
This is an intermittent problem. Sounds like a serpentine belt noise but we took the belt off and noise still remains. Noise is variously a squeak, a rubbing noise, a bearing noise? Comes and goes. Remember, we took the belt off. Stethoscope says transmiss...
2009 Cadillac CTS 3.6L No Crank VIN: 1G6DV57V39
This vehicle was towed in. We verified no crank - nothing happens. Battery passes test and looks newer. Alternator has been replaced. PCM is old but based on what customer says, a new one didn't help. (holding my breath here) In testing we found no volta...
2004 Chevrolet Silverado 2500 6.0L Tailshaft bushing VIN: 1GCHK23U44
Procedure says I need J37668A (seal installer) and J45380 (rear bushing remover/installer) to replace the output shaft/tailshaft seal and bushing on this NP261 Tcase. Does anyone else do this job without these special tools? If so, what do you use or how d...

Fixes & Summaries for GM
Fix/Summary Answers
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next