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Prev Professional Automotive Repair Technical Discussions for October 12, 2012
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Open Help Requests for GM
Help Request Answers
2004 Buick Rendezvous CX 3.4L Exhaust VIN: 3G5DB03E04
This AWD Rendezvous has a weird moaning sound just around 2200 rpm.It sounds like an exhaust noise in the back end.There were a couple of help requests in the fix database that matched this problem exactly but they were closed without a fix.There must be a com...
2000 Cadillac DeVille 4.6L Moves forward when key is pulled or installed VIN: 1G6KD54Y9Y
This Caddy is the base model WITHOUT the memory seat buttons, and without the exit button to change the position of the driver's seat (those are located on the door for those Cadillac that have those options, this car does not)...some used to put them by the w...
2003 Cadillac CTS 3.2L Key Stuck In Ignition VIN: 1G6DM57N23
This cts...key stuck in ignition again,i replaced ecm but it didn't work this the vehicle won't start,no lights on dash,windows and radio does not work.i do not get communications with airbag,brake,body,a/c modules. I also get communication codes u130...
2003 Cadillac CTS 3.2L timing belt VIN: 1G6DM57N33
ok i get this car in to do a timing belt and seals , tensioner and idlers on it for a oil leak . lined the marks up befor i pulled the old belt off looked fine . did the seals. install the new belt with out the tools. check and rechecked my marks .cam gears ar...
1997 Chevrolet K1500 Silverado 6.5L fuel VIN: 1GCEK19S9V
Customer brought truck to my shop and said trans. leaking, the front pump o-ring was leaking on the trans. After putting trans. back in we noticed diesel fuel leaking from starter area, we removed starter and can see a trail coming down the block, looked at al...
2000 Chevrolet Malibu 3.1L Poor Idle Quality, Misfire VIN: 1G1ND52J8Y
Hi all, We have a malibu that has a miss at idle. We went back through the misfire data to identify cylinder#5 as the problem. It does not count high enough to set a p0305. We noticed an arching wire so we replaced the plugs and wires(original). After complet... Trouble codes: P0300 (Random Missfire)
2000 Chevrolet S10 2.2L MIL Lamp on VIN: 1GCCS1950Y
This truck got dumped on me to figure out, previous tech installed rear o2 and cleared codes p0141,p0178&p0179. Shiped vehicle and now it is back with p0141 and p0179. During code search and trouble shooter in snap on scanner found to check positive signal to... Trouble codes: P0141 (B1s2 heater circuit), P0179 (Fuel compensatioon sensor high frequency)
2004 Chevrolet Suburban 1500 LS 5.3L tire light VIN: 3GNFK16Z94
Have this suburban that has a tire light on and a check tire message in the instrument cluster display. First attempted relearn of all sensors. Vehicle went through relearn procedure and all sensors came on line and read correct tire pressure.Took for test dri...
2005 Chevrolet Suburban 1500 LT 5.3L turning radius VIN: 3GNEC16Z15
This vehicle is giving us a lot of grief. After replacing basically all front end components this vehicle, the customer complains that they cannot park it in parking space. You turn the vehicle to the right and the truck wants to drag the wheel all the way to ...
2008 Chevrolet Equinox LS 3.4L door locks VIN: 2CNDL13F28
I need some info on this 08 Equinox. The problem is that you can lock the doors and get out. But when get try to unlock the drivers door with the key it will set off the security (lights & horn ) if I use the FOB to unlock the doors it works fine. It just when...
2003 GMC Envoy SLT 4.2L all lights VIN: 1GKDT13S63
Hello! All lights on this GMC Envoy will flicker at idle sometimes, and everytime the engine is above 1800 rpm. All grounds for lighting and pcm, bcm, and all interior grounds have been cleaned. All main connections at alternator and fuse boxes have been clean...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick LeSabre Limited 3.8L coolant flow through heater core VIN: 1G4HR54K1Y
The Buick is back home and operating normally. In hind sight, it was an air lock problem that was stubborn to correct. Kept after it as finally succeeded. Also note, some of the posters did not carefully read the original posted info. I got notes about...
2005 Buick Allure CX 3.8L abs VIN: 264WE53205
thanks to very good technician.i fix this car by changing the booster.brakes is working good
2003 Chevrolet Express 2500 6.0L Cuts out, Stall VIN: 1GCGG25U63
The fix was to repair the ECT harness connector which can get damaged during a tune-up, thanks to Marsden from Minn for that one. This vehicle had lean codes but this did not cause the stalling. The van's ECT harness connector had a badly damaged wire and had ... Trouble codes: P0171 (System too lean bank 1), P0174 (System too lean bank 2).
2003 GMC Sierra 1500 SLE 5.3L Wiper VIN: 2GTEC19T23
What an idiot am I. This vehicle wiper motor has no park feature!!! I had the arms out of time.
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