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Prev Professional Automotive Repair Technical Discussions for July 29, 2011
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Open Help Requests for GM
Help Request Answers
2001 Cadillac Catera 3.0L Brakes VIN: W06VR54RX1
Customer has a concern of a vibration when braking at highway speeds. During test drice, the vibration was felt at speeds above 60mph and it can be felt through the steering wheel. All run-out measurements are well within specs. All steering and suspension com...
1999 Chevrolet K2500 Suburban 5.7L Atc Encoder Motor VIN: 1GNFK16R6X
Hello everyone, I am dealing with a 99 Suburban that came in with a complaint of a the wheels binding and grabing when turning and the service 4wd light on, put up on lift and found that the 4wd was lock in all the time. Scanned the transfer case and found c03...
2002 Chevrolet Cavalier 2.2L right turn signal VIN: 1G1JF52462
customers complaint is intermitant right turn signal operation. during test drive right turn signal may operate normal when requested or it may flash rapidly or even caus e the flasher to buzz. but it hasnt acted up in the shop. the bulbs have been replaced wi...
2003 Chevrolet Silverado 2500 HD 6.6L motor VIN: 1GCHK23113
truck runs great but it will not restart until full cool down dont no much about the gmc lots of experience with 6.0 ford if it was a ford no codes like this one i would say must have a high preasure oil leak think yal rock first post i dont like my maf readin...
2004 Chevrolet Malibu 2.2L Cuts out VIN: 1G1ZS52F74
Hi every body, i`m asking for your help. Other shop send this malibu with the problem that engine starts,runs for few seconds, then dies. They replaced body control module and theft control module, don`t made difference, the same problem is present. -accessed ... Trouble codes: B3031 (Security system controller in lear mode.), B3055 (No transponder modulation or no transponder.), P1631 (Theft deterrent start signal no correct.)
2005 Chevrolet Cobalt LS 2.2L starting VIN: 1G1AL52F85
don't ever see it go above .3 amp draw..volts however stay at about 11.50 with all fuses out and relays..unplug blue connector on bcm and volts drop to zreo..if I unplug ing. harness volts drop to 9.5 but only with alternator also unplugged..any help would be ...
2002 GMC Sierra 2500 HD 6.6L fuel in oil VIN: 1GTHK29132
truck was towed in for losing oil on the highway & oil pressure, found oil over filled due to fuel, no codes, & runs great {after i changed oil of course just to move it around the building} was wondering if there is any way to pinpoint fuel leak{s} under valv...
2006 GMC Sierra 2500 HD SL 6.0L master cylinder VIN: 1GTHC24U76
This truck came in with a braking issue while stopping, from crusing speed the brakes are perfect, dont grab, make any noise or vibration. Just as the truck comes to a stop the pedal drops alittle bit as if the pressure is released somewhere, but the truck sti...
2000 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52T9Y
I have this Grand Am that has poor idle when hot, sft are high 20 & o2 reading is high .9v , I tried swapping map sensor, checked temp sensors ok , fuel pressure about 35 psi bleed down drops about 5-10 right away then holds, no misfires shown on solus. I have... Trouble codes: P0172

Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac DeVille DTS 4.6L prndl VIN: 1G6KD54YX2
Thanks for the help guys ,Juan was right on the plastic link was broken bought one at the dealer and installed.Car is fixed &running fine.Thanks iatn and all the replys to this problem.
2003 Chevrolet Silverado 2500 HD 6.0L Reverse Gear VIN: 1GCHC24U63
did install latest software in pcm, fleet customer, needed vehicle, the trans is still under warranty
1993 Pontiac Bonneville SE 3.8L master cylinder VIN: 1G2HX53L8P
The modulator had an internal leak. It was replaced and the problem is gone. Thanks for all the helpful replies!
2003 Saturn L200 2.2L rear drums VIN: 1G8JU54F43
First of all thanks to everyone who replied with help. We installed new drums in the rear and test drove vehicle back and forth from work to home and back for a couple of days thats why there wasnt any response on my part. glad to find out there is no more hor...
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