× 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 June 12, 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
1992 Buick Roadmaster Limited 5.7L Surge VIN: 1G4BT5378N
This engine use a negative back pressure vaccum operated EGR valve with an ECM controled vaccum solenoid that should be modulated with variable duty cycle at a frequency of 32 hz according to mitchell database... On the Genisys or Snap-on scanner, I get absolu...
1993 Cadillac Fleetwood 5.7L Compressor VIN: 1G6DW5273P
The A/C compressor on this Fleetwood will not engage. The ECM is keeping the A/C compressor disable relay disabled at all times. If we open the circuit between the A/C compressor disable relay and the ECM, the A/C compressor will engage. When we enter diagnost...
1972 Chevrolet c10 350CID fuel gauge VIN: CCE142Z142
Customer brought the car in a 3 weeks ago. One of the problems was the fuel gauge never moved. I disconnected the the sending unit wire and the gauge went to full, When grounded the gauge reads empty. Removed sending unit and ohms tested sender. Sending unit w...
1999 Chevrolet Cavalier 2.2L Surge VIN: 1G1JC124XX
Hi techs, this is my brother-in-laws car and it is giving me fits. While driving at highway speeds it will sort of surge. What it feels like is getting hit by a stong headwind. It doesn't do it all the time. You can drive it for miles and never do it. There ar...
1999 GMC Safari SL 4.3L drive train VIN: 1GKEL19W9X
Customer complaint was that the vehicle was jumping when making a left or right turn on exceleration. Kind of like a jumping or skipping feeling. Any help would be greatley appreciated.

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Park Avenue 3.8L light on VIN: 1G4CW52K1X
i have not been able to get the customer back in , i will update when he comes back in. i was not aware of two sensors on this buick , i would like to check this one out now that i have info for the proper wireing.
1993 Cadillac Seville STS 4.6L Ride control VIN: 1G6KY5298P
Thanks to all that replied. After an exhaustive search I found an accelerometer in a bone yard. Unfortunately it doesn't look any better than the one I removed but it works. It looks like they only used these on the 93's that's where the problem came in. No on...
1994 Chevrolet Camaro 3.4L abs motor pack
First off, thank you all who replied. I also posted on the TDF and got this great link: =1&st=1&i=1&m=315&t=gm_brakes&sk=48&k=gear%[...]&p=1&v= gm&s=brakes&search=1 iATN TechMail - GM-Brakes: 95 O...
2001 Oldsmobile Intrigue GX 3.5L Suspention VIN: 1G3WH52H51
Hello and thank you to all who offered help. I would not have beleived it. It was as several of you suggested, the wheel bearing. The old one looked perfect, no noise or looseness of any kind when removed from the vehicle and checked by hand. The car is now ...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next