× 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 January 1, 2005
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
1994 Chevrolet G30 Chevy Van 5.7L Electronic VIN: 1GBJH32KXR
The problem I am having with this P30 chevy truck is the transmission won't upshift and the torque converter clutch seems to go in and out, this happens intermittently. The truck has been to the trans shop, they can't find any problems with the trans. I have c...
1995 Chevrolet K2500 Cheyenne 7.4L MIL Lamp on VIN: 1GCGK29N3S
Hello Fellow Techs:I've got this vehicle that keeps turning on the mil light.The code it comes up with is code 36.Also the idle speed is at 950 rpm in park warm.the IAC counts are 15 warm at idle.i have replaced the isc solenoid and went through the test chart... Trouble codes: 36 (isc actuator error)
1996 Chevrolet Blazer 4.3L Transfer Case VIN: 1GNDT13WXT
One of the guys in the shop recently purchased a 96 T Blazer. This vehicle has the electrically controlled 4wd with push buttons on the dash. With winter coming he decided to see if the four wheel drive works. He has noticed the lights in the switch will go ou...
1993 Pontiac Sunbird LE Value Leader 2.0L door locks VIN: 3G2JC51H9P
Hi group. I have this Sunbird that has door locks inpo in the close position only. I hear the relay clicking, but no locking. I want to check voltages at the relay but it does not seem to be where the manual shows. The clicking seems to be behind the glove box...
1997 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX52K5V
this car floods the spark plugs we pulled the plugs they were soaked with fuel.the inj.pulse m/s is 75.0 we got a used ecm tryed that it didn't help. thanks chuck
2000 Saturn SC1 1.9L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on, stuck in open loop VIN: 1G8ZN1288Y
Hello Techs, Happy New Year! My new year is starting out with this lovely Saturn thats kicking my butt. Vehicle came in with a check engine light on and engine miss. Runs good when cold but misses after it warms up. I gathered the codes and started checking ou... Trouble codes: P1599 (Stall Condition)

Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Riviera 3.8L serpintine belt VIN: 1G4GD2217V
Thanks for the help on this one, the tensioner was worn enough to cause the belt to go sideways and wear out on one side. Installed new tensioner and plastic coolant line fittings. All is well.
1998 Chevrolet Tahoe 5.7L transfer case VIN: R5WJ313684
well guys i finally gave up on this one and sent it to the dealer. im a small shop with limited time when it snow we also have a towing service. we got a good size snow storm so got way behind in the shop. so it went to local chevy dealer. well what they found...
1997 Oldsmobile Cutlass Supreme 3.1L cooling system
Hi guys, thanks for all the quick and honest replies.The day after I posted the owner dropped the car off and insisted we try another thermostat.They were willing to pay and we could not seem to get through to them that this would probably not fix their car so...
2000 Oldsmobile Bravada 4.3L 4x4 VIN: 1GHDT13W4Y
Thanks for all the replies. This vehicle has had the fluid in the transfer case changed three times in its life, with the correct GM transfer fluid. I found a large parking lot and did many figure eights, and the transfer case freed itself. This vehicle gets a...
1993 Pontiac Firebird 3.4L Ignition Fuse VIN: 2G2FS22SXP
I received 4 replies, all suggesting that I double check. Robert hit the nail on the head.The harness was rubbed through on the rear of the intake, between the holders. It was hard to access this( but once I got the harness up again I was able to twist it and ...
1994 Pontiac Bonneville SSE 3.8L Heater VIN: 1G2HZ5215R
Customer did not return or call. The last word I got was the heat was working. I agree with most of the replies pointing to the heat door, possibly binding or the operating motor not working properly. One reply suggested a core flush. Thanks for all the input,...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next