× 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 August 24, 2018
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
2007 Chevrolet Impala LT 3.5L Engine VIN: 2G1WT58NX7
My customer has a 2007 impala. They called me because their car has been sitting over the summer as they are a college student and gone for the summer back home and their car stayed here. Upon returning to resume fall semester classes, she found that her c...
2005 GMC Sierra 3500 SLT 6.6L Starter VIN: 1GTJC39205
Hey everyone, I have been asked to look at this C3500 with a no crank condition. I found the ecm not grounding the starter relay. I checked for security problems with the scanner and no codes were found. Found codes stored in the ECM for loss of communi...
2009 GMC Savana 2500 4.8L reduced power mode VIN: 1GTGG25C59
I have a 2009 Savanna here 4.8 with a P2135. Customer changed the accelerator pedal, And tp sensors .I didnt like the way he used the kit to change the tp sensors so I changed the throttle body with a standard product. When the van came in it would throw t... Trouble codes: P2135

Fixes & Summaries for GM
Fix/Summary Answers
1986 Chevrolet C30 Custom 7.4L Cooling Systems VIN: 1GBJC34W9G
My post received 40 replies, most ever for any of my help requests so it seems that a lot of Techs were interested in this problem. Well it's a "DAM" MIRACLE . We did nothing else but replace the missing Air Dam below the front bumper and WA LA , its fixed. Tr...
2001 Chevrolet Impala LS 3.8L No Start, Stall VIN: 2G1WH55K91
First, Thanks to all who responded. Second of all, this is the first time I have ever posted. I should have listed more info, not knowing I could only update one time.I had checked power and ground at the ICM, replaced the ICM with 2 different modules. Checked...
2004 Chevrolet Express 1500 4.3L No Start VIN: 1GCFG15X14
So. So far this one is fixed talked more with the customer and found out problem only occurs when its wet out side. Removed distributor cap and found alot of carbon build and track marks from arcing. Replace cap rotor plugs and wires and has been gone for a we...
2004 Chevrolet Silverado 1500 4.3L No Start, Stall, Misfire VIN: 1GCEC19X54
Well I would like to thank everyone for their help. Everyone was pretty much on the same page. A timing problem. Came in and removed the distributor cap. The rotor fell out. Customer had replaced cap and rotor prior to me getting the truck. Once I fished the s... Trouble codes: P0016 (Cam crank corrolation).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next