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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 12, 2012
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Open Help Requests for GM
Help Request Answers
1999 Buick Regal LS 3.8L No Start VIN: 2G4WB52K3X
Vehicle towed-in. Cust states car was driven hot, and had coolant added shortly before it died. Injectors on solid... The intake manifold is warped by the Throttle body so that will get replaced, but the no-start is a result of the injectors being held open co... Trouble codes: P0300 (Misfire General)
2005 Buick LeSabre Limited 3.8L driveline
Hi guys We hav e a buick that is beating us Has a vibration that starts slighly at low speeds and gets a little worse at highway speeds. This viration feels like a tire out of balance or a tire out of round. The only thing is we can get this vibration on hoist...
1988 Chevrolet R30 Silverado 5.7L Hesitation, Misfire VIN: 1GBHR34K8J
This 1988 c30 5.7L will backfire when warm on acceleration over half throttle.Most in 2nd and 3rd gear(4 speed with Granny Low) Has new cap and rotor. Have tried new ignition coil, unplugged E.G.R., ran in by-pass mode(set timing connector unplugged)which made...
2001 Chevrolet Silverado 1500 5.3L power steering pump VIN: 2GCEK19T41
Customer had a list of issues with vehicle and wanted LOF... When performing routine inspection found pitman arm and idler had play... power steering pump was leaking... bad master cylinder etc... Replaced pitman arm and idler arm and power steering pump etc.....
2002 Pontiac Montana 3.4L awd light on VIN: 1GMDV13E32
Cust came in with awd light on.Unable to reset light (hard fault).Did diagnostics found power and ground good at control valve.Tested duty cycle and found that when key first turned on duty cycle is anywhere from 20-98%.Never the same twice.Duty cycle drops to...
2003 Pontiac Montana 3.4L Starting VIN: 1GMDX13E03
Hello all, this van has me stumped but it seems so easy don't know what I'm missing.It was towed in as no start and when it got here it would just click at starter eather once or more like low voltage. We put a battery charger on it and it started so we left t...
2004 Pontiac Montana 3.4L valve train VIN: 1GMDX13E94
i need to know is there a tsb for rocker arm bolts pulling threids out of cyl head on 04 pont montana if so what is and is the a repair kit avale thanks all
2007 Saturn Outlook XR 3.6L steering VIN: 5GZEV33707
My friends saturn came in apr for a power steering noise. i look at it replaced the rack and interned shaft. and dex vi fluid for pump . wheel aliginment.. he called yesterday about a louder noise.. now if u turn the wheel either way just at first u hear a ban...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Century Custom 3.1L Cluster VIN: 2G4WS52J33
2 replies gave me the wiring info I needed. Others said to check the fuses. All were right. I had accidently blown a fuse during repairs, testing, etc. This was the 15A taillight fuse. I know that I tested every fuse twice before any dismanteling of the dash. ...
1997 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GNDT13W8V
Thanks for everyones help i think IATN is a wonderful thing it helped me a ton the 97 chevy blazer with 190000 mile after testing fuel injection spider i found no leaks i removed the distributer and it was wore out i also performed a leak down test on missing ... Trouble codes: P0300.
1998 Chevrolet Astro 4.3L No Start VIN: 1GBDM19W6W
Thanks for the fuel pressure tip i did not know it was so critical it was 48psi replaced fuel pump went to 62psi solved cold start problem
2007 Chevrolet Silverado 1500 WT 4.8L crank relearn VIN: 1GCEC19C07
Hello and thanks to all that replied,you have personally been sent a email to thank you,if i have missed anyone i do appologize.The fix,go figure the 1 place i didn't even think to check was"module setup".But like i said,frustrated as hell after dealing with t...
2006 Pontiac Montana SV6 3.5L all wheel drive VIN: 1GMDX33L16
got back to van this week cust gave green light on new cat and awd selonid in the rear end thanks for all the help
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