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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 20, 2010
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Open Help Requests for GM
Help Request Answers
1997 Cadillac DeVille 4.6L Instrument Cluster VIN: 1G6KD54Y1V
The instrument cluster has gone out, went online and found AutoXpresstech to do the repairs. Has anyone used them, would like a testimonial...Thanks
1997 Chevrolet Tahoe 5.7L Stall VIN: 1GNEC13R1V
truck came in for stalling problem after driving for about 5 to 10 minutes. replaced ignition switch. was alright for a little bit than came back with same problem. the engine just dies with no sputtering or any thing sit and wait for about 2 minutes and it wi...
1997 Chevrolet Blazer 4.3L Mechanical VIN: 1GKDT13W1V
hi techs I have a 97 blazer I'm trying to get the motor out of. problem is car must be from rust belt cause body mount bolts are rusted solid. I broke 2 trying to remove them and the rest feel like they are going to snap as well. problem is how to get to upper...
2003 Chevrolet S10 2.2L head light VIN: 1GCCS14113
came in for no dash lights intermittantly, no lo beam, hi beam interminttanly, no emergency brake warning lamp. Fuses ok, relays ok. all bulbs ok. Has new DRL relay, multifunctioning combo switch and new head lamp switch. E brake switch contact tang was broken...
2004 Chevrolet Corvette 5.7L Gas smell VIN: 1G1YY22G14
Complaint is of a smell of gas while sitting in the garage overnight. Searched the archives and nothing related to gas smell or leak. Found a sign of gas leaking from the left tank with a noticeable leak/stain of fuel on the aluminum shield for the left gas ta...
2004 Chevrolet Express 2500 4.3L coolant resevoir VIN: 1GCFG29X94
Customer brought van in today with coolant leaking from resevoir.The resevoir had pressure in it.This thing has a wierd setup on the resevoir.It has your usual hose from below the cap to resevoir.But it also has a hose from the neck of the radiator,which is ab...
2005 Chevrolet Trailblazer LT 4.2L Accessories VIN: 1GNDT13S45
Vehicle came in with the speedometer reading 60 mph at idle and 100 mph with the engine off. Diagnosed and found the instrument cluster bad. Going to replace cluster on Monday. What I was wondering if there are any tips on programming the cluster. Got a new te...
2005 Chevrolet Impala LS 3.8L Stall, Hard start VIN: 2G1WF52K05
Car came in with an intermittent no start but will start after multiple tries. Also has intermittent stall when coming to a stop. Only been able to catch it once or twice and all data readings with TECH 2 appear to be normal. IAC counts prior to starting hot a...
2005 Chevrolet Silverado 2500 HD LS 6.6L crank/cam VIN: 1GCHK29275
Hi techs. This one has me pulling my hair out. Vehicle came in with a no start, so run condition. WE found a P0374 Timing reference signal A problem and traced it back to a loose ruluctor ring for the Crank sensor. Pulled the front cover and found 2 of 3 bolts...
2006 Chevrolet Aveo LS 1.6L Engine Light VIN: 1F34G45672
Replaced engine, everything runs perfect, no lights, no misfires, until vehicle exceeds 60 miles per hour for more than about 1 min, then engine light flashes and hold light flashes and will not shift into overdrive and will not kick down when accelerator is d...
2006 Chevrolet Impala LS 3.5L cruise control VIN: 2G1WB58K96
i ran a procedure /test from identifix on this cruise. the little light on the cruise button which is on steering column doesnt light and cruise inop. theres no codes anywhere stored in vehicle computers although customer insisted light came on while driving. ...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Buick Terraza CXL 3.5L Fluid aerated VIN: 5GADV33L26
Ok, this was a first for me, and hopefully a last! Taking into consideration that a rack and pinion is a very expensive job, even though there is small fluid leakage from both ends, I cannot feel confident that this will fix the problem. Plus the fact that e...
1995 Cadillac DeVille Concours 4.6L compressor VIN: 1G6KF52Y6S
found the low pressure temp sensor after the orfice tube to be bad, replaced and cleared codes utilizing the climate control buttons, problem solved. thanks again
1984 Chevrolet Corvette 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 1G1AY0786E
ok got this one figured out the vent on the fuel pump module was plugged i took the ball and cage apart and boom the little hole in the middle of the plastic valve was plugged up clean it out no gas no pressure no problems and when you take off the non vented ...
1997 Chevrolet Blazer LS 4.3L Excessive Emissions, Poor Idle Quality VIN: IGNDT13W5V
after a fresh start , new day, in a quiet shop,, we noticed a very faint snapping on bank 2 , yes a bad wire intermittently snapping to ground under the wire harness near the cap, coil wire looked white too,,as if one section got quiet warm at some point. ...
2004 Chevrolet Colorado 3.5L No Start VIN: 1GCDT136X4
Thank you all for the help! Turns out my technicians were not following the instructions to the T. Unlike most GM's you need to actually crank the vehicle over when coming off your 5 second key off not just turn it back to the on position. I came in early yest...
2005 Chevrolet Malibu Maxx LS 3.5L shift solenoid b VIN: 1G1ZT64815
well it was the 2-3 shift solenoid. ohm out at 15ohms, below specs. also took the valve body off because of tsb to check for debis found nothing. what a pain in the butt getting this thing apart.
2009 Chevrolet Impala LT 3.5L Air Bag system VIN: 2G1WB57K39
Thanks to all who responded, some who responded again, and sent some photos in effort to help. One thing I did, as a result of response information, was to replace the B-pillar pretensioner/retractor assembly. Since the GM factory scanner said that the problem...
1989 Oldsmobile Delta 88 Royale 3.8L Extended Crank VIN: 1G3HY54C1K
Thanks for all the great replies. Customer did not want to go any further since he can always get it to eventually start. If it gets worse he will bring it back in and I will post the fix. Thanks again to everyone who sent replies.
2001 Oldsmobile Aurora 4.0L Steering Gear VIN: 1G3GS64C51
replaced steering sensor and fixed stability light and hopeful that loss of steering is fixed but only happens once in while so my fingers are crossed
2005 Pontiac Grand Prix GT 3.8L heater core VIN: 2G2WP52255
Thanks to Bill and Mike for their replys and advice. I removed glovebox to get some extra working room. This repair can be accomplished without removing dash. Their are two seperate portions to the heater core cover panel . The first one directs air to the duc...
2006 Pontiac Torrent 3.4L hold start feature VIN: 2CKDL73F36
Thanks to all that replied. 80% of you indicated that the throttle body should be clean as this could cause the vehicle not to achieve the 400 rpms needed to shut the starter off. The vehicle came in yesterday and we cleaned the throttle body, we were unable t...
2002 Saturn Vue 3.0L Mechanical VIN: 5GZCZ63B42
as it turns out I was the throttle body relearn procedure wrong. a friend of mine came by and showed me the right way to do it. you can guess how small i feel right now
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