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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 2, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet Monte Carlo Z34 3.8L Rocker Arm VIN: 2G1WX12K5W
We have a 1998 Monte Carlo with a 3.8L. When the car first came in it was making a tappet noise upon inspection #6 cylinder intake rocker was not getting any oil but the rockers on either side of it were ok. We replaced all lifters and push rods and the one ba...
2002 Chevrolet Malibu 3.1L cooling fans VIN: 1G1ND52J32
ok guys need help one more time, the cooling fans come on around 226f by that time coolant is coming out the reservoir.i can turn a/c on and fans come on, car runs normal. i can turn fans on low or high with scanner which tells me computer and wiring are ok. a...
2005 Chevrolet Equinox LT 3.4L LF axle seal VIN: 2CNDL73FX5
Hey everybody this will be the third LF axle seal to put in this vehicle. No evidence the seals are bad but they still leak. Any ideas would be fantastic! Thanks
2005 Chevrolet Astro 4.3L Instrument Clutch VIN: 1GCDM19X85
Hello Feller Tech. I need help or advise with this 05 Cherv. Astro van, No Air condition and Instrument clutch,(No Fuel gauge, Mileage read) I have work on this vehicle for few days, try to find down where the circuit on Fuse#12 cut off the power supply at I/P...
2008 Chevrolet Cobalt LT 2.2L Remote door VIN: 1G1AL58F88
Hello all, I am really stumped on this vehicle. It originally came to me for the brake lights were not working when the vehicles running lights were on. Found that the brake switch was bad. Replaced the switch and calibrated it. Sent the vehicle down the road....
2008 Chevrolet Impala LS 3.9L compressor/control head VIN: 2G1WS55398
The a/c blows cold then intermittley the a/c blows warm and the a/c knob light flashes.
1990 GMC K1500 Sierra 5.7L front 4x4 differential
Okay problem is that the shaft that goes into the tube part of the front 4x4 differential (right hand, passenger side) keeps coming out too far(it comes loose from the retainer the latches onto the shaft. This retainer is located inside the gear that the fork ...
2001 Pontiac Aztek 3.4L Accessories VIN: 3G7DA03E31
vehicle came into my shop with various electrical problems.had no a-c,power windows,door locks,various lights on instrument panel. upon testing was led to bcm.replaced with boneyard unit and everything worked fine until i turned the a-c on then all gauges stop...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet C3500 Cheyenne 7.4L rr drum brake VIN: 1GCHC34N4M
Thank you all for responding. Of the 16 responses the majority where to replace the shoes, Hardware and wheel cylinders. This is what we did. The shoes where not worn out but where very hard and glazed. The backing plate did have some impressive grooves wo...
2000 Chevrolet Suburban 2500 LT 6.0L fuel rail, pressure regulator VIN: 3GNGK26U1Y
I think it's fixed as the noise is gone at this time! We did a injector, throttle body, PCV valve, and passages clean and it seems to have cured the noise. Still don't know what was making the noise so it may be back? Anyway, thanks to the 7 members that took ...
2006 Chevrolet Impala LTZ 3.9L Compressor VIN: 2G1WU581X6
The customer and I decided to try a new expansion valve, and that didnt change anything. He was going to try a new compressor even though he tried several other ones before this. Thank you for all the help, but I have to close this without a fix. Alex
2007 Chevrolet Express 2500 4.8L Stall
Thanks to all , I have done all the test you have mention , have repair the ground strap but it doesn't help . told you I got one code it tell trans oil over temp . Have look at it in Mitchel and it was said it will code at near 135 degres . But the problem oc...
2003 Saturn L300 3.0L valve lifter VIN: 1G8JW54R43
The car is still here waiting for customer approval. Great input from IATN members. I concluded the oil press is not low and is not causing the lifters to colapse. Instead the valves appear to be hanging up. #1 cyl has low compression and 20% lean by. The...
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