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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 23, 2011
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet K1500 5.7L pedal height
has anyone succesfully used a pressure brake bleeder on this system to acheive the correct pedal height and feel. does it speed the process and produce the desired results? would buy a bvranick bleeder just for these systems if it would fix them. have tied to ...
2000 Chevrolet Malibu LS 3.1L Poor Idle Quality VIN: 1G1NE52J9Y
wellcome to my nightmare guys.This one is coming from another garage the problem is engine start but can,t control my idle with the tech2 i have to operate the car with the two feet it seeem not dialibity problem at high speed no vacuum leaks i did check the e... Trouble codes: P0650
2002 Chevrolet Impala 3.4L no start VIN: 2G1WF55E02
we checked the connections at sensor and at bcm c1 terminal b9 c1 term b12 and c2 a3 did drag test all tight.all look clean im thinking another sensor but my dealer says thay never had a bad one.poss bcm? really no good way to test this any farther that i now ...
2002 Chevrolet Impala LS 3.8L battery VIN: 2G1WH55K72
Short trip driver. Michigan winter. After a few weeks battery is starting to get weak. Charged battery and checked draw. Initially 1.6 amp draw. After a few minutes everything goes to sleep and draw drops to 18ma. Within a few seconds draw jumps up to 1.8 -1.9...
2002 Chevrolet Venture LS 3.4L Passenger side axle seal leak VIN: 1GNDX13E22
Passenger side axle shaft seal leaks. We replaced axle for torn C/V boots and at the time the seal was not leaking. We've replaced the seal 4 times and the extension housing bushing. We also tried a total of 3 axles and still the axle seal leaks. Also checked ...
2004 Chevrolet Trailblazer LS 4.2L air injection VIN: 1GNDS13S94
can you help, having a intermittent fault. air injection. have been able to run air injection pump with scan tool. large quantity of air blows to control valve. code sets about 1 time every 5 to 6 weeks. hoping somebody has ran into intermittent problems. rela...
2006 Chevrolet Trailblazer LT 4.2L Hesitation, Stall, MIL Lamp on VIN: 1GNDT13S66
Thank you for taking the time with this one, This unit has been a problem for us for about 6 months - first time in this unit had a problem with stabilatrac - we had to repair some wiring under passanger seat for problem (new connector)this unit was fine up un... Trouble codes: P0161 (Map or Baro pressure circuit out of range), P0121 (TP sensor or APP sensor 1 problem), P0601 (PCM memory error), P0068 (Map/ Maf- throttle position air flow correlation)
2007 Chevrolet Suburban 1500 LT 5.3L No Start
Hi guys need your help. I have no communication with BCM and a Transfer case code. I have 60 ohms across pin 6 and 14 on aldl. I am getting a stabiltrak message and service 4x4 as well as no gear shift indication and I dont need to put my foot on brake to put ... Trouble codes: B0790, U0140
2002 GMC Savana 2500 5.0L Misfire, MIL Lamp on VIN: 1GTFG25M02
Used van came in with misfire from another shop with misfire codes and code 1381 which has not returned, classic lower intake vacuum leak. Replaced intake gaskets which were blown and performed tune up. Truck runs awesome but throws a false misfire code. Check... Trouble codes: 300 (307 -), 307 (1381 -), 1381
2006 Hummer H3 3.5L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 5GTDN13646
thanks for taking time to check this one out. vehicle came in with several complaints. customer was driving down highway and car cut-out. did not stall, but it lost power and was idling very rough. it was described as running on only about 2 cylinders. it fina...
2000 Oldsmobile Intrigue GX 3.5L Airbag light VIN: 1G3WH52H8Y
Hey guys, thanks for the help on this one. I have a 00 Intrigue with a 3.5. I just replaced the BCM due to a non-communication, (U) code, and the service vehicle light on. After replacing the BCM everything now works, I am able to communicate with the BCM and ...

Fixes & Summaries for GM
Fix/Summary Answers
1965 Chevrolet C60 292CID Engine swap
Im going to close this for now. Against my better judgement Im continueing my attempted repair as I have the customer locating the parts. Most replies said run away but i love a challenge. Thats for the web site info. I beleive it it will be helpfull. I unfo...
1998 Chevrolet Cavalier 2.2L No Start, Stall VIN: 1G1JC5243W
Hey guys, thanks for all the help, replaced the instrument cluster with used one and programmed passlock sensor, now working fine. Trouble codes: P1629 (VTD no signal/incorrect), B1022 (Loss of serial data).
1998 Chevrolet C3500 Cheyenne 5.7L starter VIN: 1GBJC34R3W
Melted wires in harness where it ran by the egr. New harness cured problem. Response was very helpful. Thank you everyone for your help. robert [...]
1999 Chevrolet Silverado 1500 5.3L No Start VIN: 2GCEC19T9X
Hello all, Thanks for all the good advice on this one. I FINALLY got down and dirty as some of you suggested and found the pink wire from ECM 1 fuse dead. Popped the skirt off of the fuse block and found 6 wires mouse chewed! I hate mice and rats!!! Repai... Trouble codes: M1SC.
2003 Chevrolet Silverado 1500 WT 4.8L Stall VIN: 1GCEC14V13
we filled the gas tank with fuel (it was at quarter of a tank) and now starts fine thanks for all the help Jason
2004 Chevrolet Colorado LS 3.5L No Start VIN: 1GCDT14684
Thanks for all the help. Ended up replacing the BCM. Had trace voltage on the crank run circuit, cut the A17 wire at the white connector on the BCM and had the voltage coming from the BCM and should have been 0 volts. Apparent short through BCM allowed 2+ volt... Trouble codes: B2958 (Security system sensor data circuit high).
1998 Saturn SL2 1.9L Engine VIN: 1G8ZK5275W
I want to Thank everyone for all your help. I spoke to the customer shortly after posting for help on iatn and found this light has been on and off for over 100,000 miles the car was in a bad crash and he bought it off of some shade tree body guy. The car was ...
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