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Professional Automotive Repair Technical Discussions for August 31, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1988 Cadillac Eldorado 4.5L A/C Clutch VIN: 1G6EL1156J This car came in to us with the A/C inop due to a leaking compressor. It has been converted to R134A. We replaced the compressor and recharged the system. After driving about 10 miles the display shows Low Refrigerant Pressure and eventually shuts down the sys... |
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| 2000 Chevrolet Impala 3.4L ignition switch VIN: 2G1WF55E8Y THE car came to my shop with other ignition switch (used) the firs problem on the car was the mechanic part of the ignition switch the client change by itself but now the car dont crank. I alredy try the reprograming procedure for new key but the security lamp... |
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| 2003 Chevrolet Express 3500 6.0L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCHG35U83 Hello and thanks in advance. I am having trouble with this van at idle it will surge and run terrible, equal amount of misfires on all cylinders, code comes on for maf sensor, replaced with known good and hasnt changed.(had old good one at the shop)fuel trims ... Trouble codes: P0101 (Maf sensor performance) |
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| 2006 Chevrolet HHR LT 2.4L 1-2 shift Vehicle has intermittent "T/C off" warning light (indicating Traction control problem/system disabled) During this time harsh 1-2 shift and harsh engagement shifting into drive from neutral. Other upshifts are OK. Next drive cycle will normally have no light a... |
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| 2006 Chevrolet Suburban 1500 LT 5.3L rear lift gate VIN: 3GNEC16Z36 Howdy Boys N Girls, Happy LABOR$ Day! It looks like I will be giving mine away for free next week. This Suburban came in and the lift gate would not open or allow the glass to open, there no resistance on either the latch lever or the button as if it were lock... |
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| 2005 GMC C5500 Topkick C5C042 6.6L No Start VIN: 1GDE5C3205 Hello we have just installed a rebuilt motor into this topkick. Once the truck started it quit within 10 seconds, naturally I had assumed that the air in the rail was to blame so we tried to ensure fuel lines were bled completely. lines seeem to be bled truck ... |
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| 2006 GMC Envoy XL SLT 4.2L Stall VIN: 1GKES16S66 have a intermiitent stall. vehicle will idle for a hour sometimes longer, before stall occurs. intermittently on a test drive will stall. restarts every time. runs perfect, other than stalling. no codes in any module, performed system scan. replaced cam sensor... |
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| 2003 Oldsmobile Alero GL 2.2L Accessories VIN: 1G3NL12F93 After checking the vehicle I found the intake was cracked and the converter, resonator and pipe assembly had to be replaced. I checked all grounds and customer called with the same complaint with body controls working on and off. I never could get the vehicle ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick Park Avenue 3.8L w/s washer fitting VIN: 1G4CW54K32 Got this one fixed today. I went to the salvage yard first to check on an OE part,but they never got back to me. First off,thanks to the 4 who replied in a very prompt manner. The replies basically outlined what I ended up doing;fixing what I had with small ho... |
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| 2002 Chevrolet Tracker 2.0L battery draw VIN: 2CNBJ13C12 THE MAIN RELAY WAS CLICKING LIKE CRAZY, AND SEVERAL UNDERHOOD SENSORS. I ENDED UP SUBLETING TO ELECTRICAL SPECAILIST, THE REPLACED PCM, ALTERNATOR AND BATTERY PROBLEM SOLVED, WHO KNOWS?? ALL I KNOW IS IT IS FIXED AND NOW I CAN SELL! THANKS FOR ALL THE HELP WIS... |
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| 2005 Chevrolet Silverado 2500 HD 6.6L No Start, Stall VIN: 1GCHK23225 thank you everyone for the replies. especially Alex for the reminder about the bcm being the power mode master, I had previously looked at class 2 power mode but didn't catch the fact that the power mode showed "accessory" when the key was in the "run" positio... Trouble codes: P1626, P0675. |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Drive line VIN: 1GCHK23295 we went back to square one and put a different set of tires on as it did not shake with the old tires. The vibration is gone and the truck drives much better overall. Everyone in the shop agreed it was a driveline vibration and all 4 tires road forced within l... |
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| 2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y Thank you for all the replies. we installed a new fuel supply line to no avail. identifix had us install a sexconf fuel pressure regulator to no avail. eventually while driving we caught with scan capture using snap on solus pro the mass air flow gram/sec dat... Trouble codes: P0131, P0135, P0143, P0151, P0300. |
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| 2000 GMC Yukon SLT 5.3L Noise VIN: 1GKEK13T9Y Thank you for the replies. I relpaced the fuel pump again (another delphi unit). Got a regulator from dealer-same unit as the other 2 delphi regulators. Noise was still there. We just happened to be doing an engine replacement on a chev pick up and had to swap... |
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| 2002 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HX54K52 After receiving James reply we isolated the system and realized we needed to check the timing more closely. We had just replaced a 3.8 in a Grand Prix. We removed the front cover of the core motor and lined up the timing dots to check for proper cam timing. Do... |
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