× 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 July 21, 2011
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
1996 Chevrolet Impala SS 5.7L Monitoirs VIN: 1G1BL52P4T
Car will not pass smog test due to monitors,we have reset test drive according to manufactuer and no luck,no codes.what am i missing hard to check when car runs great and only hads 16k miles also pass tail pipe emmision test.monitor is egr and 02 heater and 02...
1998 Chevrolet Cavalier Z24 2.4L No Start VIN: 1G1JF12T7W
i checked data stream and found i had no rpm signal si installed a new crank sensor, also the ignition switch had a hot spot on it so i replaced it, i have checked for grounds all looked good, i checked for a cam signal no cam signal, one thing that is odd is ...
1998 Chevrolet K2500 Silverado 5.7L Unknown VIN: 2GCEK19RXW
This truck came in to the shop with front brakes grabbing. We found oil in the master cylinder. Replaced master, calipers, wheel cylinders, hose, and rear lines. Bleed system with tech 2 and gravity. Still have low pedal. Used reverse bleed with Pheonix inject...
1999 Chevrolet Malibu 3.1L starts and dies VIN: 1G1ND52JOX
veh died, and would not start, just run an die,I've been in the mech field for yrs, and never have seen such a stubborn prob, lol. being I can't com with pcm, makes it really a prob, have tried other scanners too. does anybody have any ideas?
2000 Chevrolet Silverado 1500 5.3L airbag VIN: 1GCEK19T7Y
hellow there,i am working at this 2000 silverado,was in an accident rollover, costumer changed cab by himself using same wiring harnest and modules,he only had on problem,air bag light stays on,code b0026 is in computer memory,i tryed to erase it and comes rig...
2000 Chevrolet Tahoe 5.3L power steering VIN: 1GNEK13T7Y
hi hope someone has seen this problem before and thanks for any help.i have no assist on power steering full of fluid no leaks.i unplugged the solinoid on the back of the pump but still no assist.if the solinoid on the back of pump is bad would that cause the ...
2005 Chevrolet Silverado 2500 HD 6.0L Fuel gauge, Oil Press. Gauge, Charge Light etc. VIN: 1GBHK24U45
This truck came in with erratic operation of several items. Headlights would go on & off along with the radio, instrument cluster and temp control. My first thought was a bad ign. switch. Checked voltage on fuses and could find none dropping out when problems ...
2005 Chevrolet Silverado 2500 HD 6.6L injector sleeve VIN: 1GCJK3325F
I need some info from a Dumax LLY Tech. I have one thats leaking anti-freeze out of #7 injector hole. I have no combustion in the radiator though. It just has a constant water drip out passed the injector over the rockercover an on to the ground engine running...
2006 Chevrolet Silverado 1500 LT 4.8L heater blower VIN: 1GCEK19VX6
we ahve a 2006 silverado that came in september of 2010 with a melted blower motor resistor plug.we replaced the harness and the resistor(aftermarket parts from napa). the truck belongs to an older customer so it doesnt get driven much. he came back today with...
2007 Chevrolet Silverado 1500 LT 4.8L Steering VIN: 2GCEK13V37
Customer concern when backing up and turning vec makes a moan noise that can be felt through the steering wheel it is very intermitted but I have experenced it doesnt seem to be related with the replacement of the pump 20,000 miles ago all else seems fine and ...
2007 Chevrolet Aveo LS 1.6L brake light / battery light VIN: KL1TD56677
Died while driving, battery dead. Diagnosed at dealer (bad alternator); bought reman. alt. at parts store; had someone else install alternator. Since, the park brake and battery light are dim while engine is running. Both go bright when park brake applied. Rem...
2007 Chevrolet Uplander LS 3.9L right cooling fan VIN: 1GBV13137D
This is A fleet vehicle it's setting code po 481. I have replaced the fan motor,and checked wiring from fan to under hood fuse box, good continuity and ohm ok, As soon as you put in relay 2 it blows fan 2 fuse. Even when i touch terminal in relay 2 it will blo...
1998 Oldsmobile 88 Royale 3.8L a/c VIN: 1G3HN52K5W
Hi All, this vehicle had a locked up compressor 6mo ago, system was flushed, compressor (with new aftermarket), accumalor, and orifice tube were replaced that that time. Now vehicle is back for engine replacement (rod bearing bad). A/c was working great before...
2001 Oldsmobile Alero GL 3.4L abs sensor VIN: 1G3NL12E21
Had this alero come into shop for abs trac service vehicle and low tire light scanned modules had code c1222, c1226, c1245. moved vehicle around in parking lot and had noticed just sitting still moving steering wheel instead of a drop out or nothing this vehic...
2001 Pontiac Aztek 3.4L gauges VIN: 3G7DA0311S
i have a ton of codes po122 tp sensor,po452 fueltank sensor,po462 fuel level sensor,p1635, 5 volt reference lost. this car has a intermitted no crank. when it does not crank and start gauges are not working and service soon light blinks. also security light on...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Express 3500 5.7L eNGINE VIN: 1GAHG39R72
We changed the radiator as a precaution and though I think it is running hotter than it should, so far no overheat. Thanx to all, Wallace
2006 Chevrolet Silverado 2500 HD LT 6.6L shifting VIN: 1GCHK23D56
fix vehicle torque converter was causing all problems had installed after market torque this a no no must be oem part also all up dates to trans is highly recomended. Thanks for all your help fellow techs trans was in and out 3 times thanks again muchly apprec...
2008 Chevrolet HHR LS 2.2L Air bag VIN: 3GNDA13DX8
We checked all the connectors, grounds and voltages to and from the clock spring and found the clock spring had failed. It was when we removed the steering wheel to replace the heater box, not being secqured in place.
1996 Oldsmobile 88 Royale 3.8L Hesitation, MIL Lamp on VIN: 1G3HN52K4T
As I knew, there are a lot of problems with MAF sensors. This vehicle the problem was corrected by a reman PCM. Evidently the PCM could not properly interpret the signal from the MAF sensor, because I did have the signal up to the computer, even though the sca... Trouble codes: P0102.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next