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Professional Automotive Repair Technical Discussions for August 25, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1990 Buick Century Custom 2.5L Starting VIN: 1G4AH54R4L Hello guys I've got a real hair puller here.1990 Buick Century 2.5l pulled to shop with a no run condition. Vehicle will crank up and as soon as you release the key will stall. Tried replacing ignition switch. replaced ecm, checked fuel pressure, injector spra... |
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| 2001 Buick Century Limited 3.1L A/C compressor VIN: 2G4WY55JX1 Foreign car mechanic can not fix a domestic car. Original complaint: engine stalls with A/C on. We confirmed this, cleaned the throttle body, IAC and fixed some vacuum hoses suspecting idle too low. No - did it again. With new compressor (Four Seasons) all loo... |
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| 2003 Buick LeSabre Custom 3.8L Wiper motor VIN: 1G4HP52K23 this car keeps coming back to me with bad wiper motors about a year ago cust came in said wipers have stopped working found that there is power going to wiper motor so i replace wiper motor and all is well comes back 6 months later with inop wiper motor so fig... |
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| 2005 Buick LeSabre Limited 3.8L Misfire, MIL Lamp on VIN: 1G4HR54K05 This car came in with a check engine light flashing and a code p0300. shows a miss on cylinders 3,6,1,4. but the miss can not be felt. When the car is at idle it is fine but when it gets to about 1500 rpms the check engine light starts to flash and sets code. ... Trouble codes: P0300 (Engine missfire) |
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| 2009 Buick Enclave CX 3.6L Misfire VIN: 5GAER13DX9 Car was purchased from an auction by a use car dealer. It had a cut wire to ignition coil that controls cylinder #3. The owner repaired the cut wire, replaced ignition coil, and spark plug. After road test, the ignition coil melted. They replaced the ignition ... |
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| 2000 Chevrolet Camaro Z28 5.7L pilot bearing VIN: 2G1FP32G7Y This car had the trans rebuilt about a year ago since than the pilot bearing keeps failing every 3 to 4 months we have used both the roller bearing and the bushing. I believe the problem is with the trans input shaft. Looking to see if anyone has ran into this... |
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| 2003 Chevrolet Malibu 3.1L key fob VIN: 1G1ND52J13 Customers son-in-law (elderly couple) said that he could get the windows to operate by wiggling the ignition switch. Customer did get a letter for ignition switch recall but it was never taken to dealer. They told me to just fix it. I observed complete loss of... |
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| 2004 Chevrolet Classic LS 2.2L Excessive Emissions, MIL Lamp on VIN: 1G1ND52F34 Vehicle is in for check engine light p0171 lean mixture only. No other dtcs have popped up. The car runs completely fine with no issues, no misfires at all, no smoke, no fuel smell. So far i've smoked the intake and found no leaks, performed tuneup (spark plug... Trouble codes: P0171 (Lean) |
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| 2007 Chevrolet Corvette Z06 7.0L abs VIN: 1G1YY26E47 After installation of the Parrot unit, problems started with a multitude of codes mostly relating to no communication between BCM & ECBM units. The ABS codes are CO281, CO550, & CO161. The BCM codes are U2108. I have a IPC code of U1000. I have checked for pow... |
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| 2008 Chevrolet Silverado 1500 WT 5.3L differential, drive shaft VIN: 2GCEC13J88 Hey guys and gals, we have this 2wd truck that exhibits a loud clicking noise in the drivetrain on coast or decell down to about 30 mph. We have already disassembled and inspected the diff. and replaced all the bearings. Ring and pinion looked great. We have a... |
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| 2012 Chevrolet Camaro LT 3.6L No Start VIN: 2G1FC1E33C Hi members, I had this car which i need to change the pcm, which got damaged.. this is 2013 chevy camaro, N.A spec. The owner presented a used ecu from the junkyard which has same part number but came off from cadillac cts. now during the online programming... |
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| 2006 GMC Sierra 1500 SLT 5.3L Transfer Case VIN: 2GTEK13T46 We are a European repair shop, so I really need some GM guru to help. This is a good costumers work truck that we reluctantly agreed to work on. When vehicle came in had no gears, forward or reverse, 2x2 or 4x4. There was no issue changing between 2x2 or 4x4 w... |
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| 2009 GMC Savana 3500 6.0L No Start, Cuts out, Stall VIN: 1GJHG39K89 Hello everyone, I am hoping someone has seen this before. I have this van that stalled while driving. The customer noticed the traction control light was intermittently coming on prior to the stall. Vehicle was towed in and it started up for me fine and I drov... Trouble codes: U0121 (Lost communication with Antilock Brake System control module) |
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| 2009 GMC Sierra 1500 SLE 5.3L 1-2 shift VIN: 1GTEK29019 When vhicle coming to a stop after 10 mph or less speedo needle drops to zero and before complete stop take off again speedo stays at zero and no upshift to second gear not cammanded per data view as well. VSS has a signal to tcm that does not get lost when it... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Chevrolet Trailblazer LT 4.2L No Start VIN: 1GNDT13S37 Thank you for all the good tips. I didn't put it down, but I had tested the battery - it was good (1 month old). Park and neutral indicators did work. Could not do the 30 minute relearn as I said before because there is no security word in the cluster to flash... |
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| 2006 GMC Sierra 2500 HD SLT 6.6L Excessive Emissions, MIL Lamp on VIN: 1GTHK23DX6 not too sure why this intake tube blew off, I think it's a common thing, fashioned a makeshift clamp on the lower end to hold it in place and the customer has been useing it, a regular but unable to get back for me to properly secure it with the factory spring... Trouble codes: P0401, P0675, P0677. |
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