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Prev Professional Automotive Repair Technical Discussions for April 11, 2009
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Open Help Requests for GM
Help Request Answers
1972 Chevrolet corvette 5.7L louver door VIN: 1Z37K2S507
Thanks in advance for the help! Fellow techs: I have beat myself up on this one, adjusting wiper blades and the like. It seems as though there ought to be a delay on the vacuum getting to the door to close, instead vacuum is applied directly as the wiper switc...
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1996 Chevrolet Monte Carlo Z34 3.4L distributor plug VIN: 2G1WX12X5T
Looking for a fix or replacement plug for the distributor plug to replace the original plug without removing the rear head.
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2001 Chevrolet Blazer LS 4.3L Front Differential VIN: 1GNDT13W21
Vehicle came in with broken mounting ear on front differental. Removal was easy-with no mounting ear, but for some reason my tech cannot find a way to re-install. We have the entire tie rod/relay rod assembly removed from vehicle, but cannot figure a way to ge...
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2004 Chevrolet Silverado 1500 5.3L blower motor VIN: 2GCEK19T64
This truck has the typical auto temp control, and the blower motor is staying on even after turning the truck off & removing the key...will run the battery completely dead. I can cycle key on-off several times to make it finally go off, but under most circumst...
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2004 Chevrolet Silverado 1500 5.3L Unknown VIN: 2GCEK19T64
When we start this 4x4 truck the push button 4x4 switch just picks whatever mode it wants to be in, sometimes 4 low, 4 high, 2 high, etc...most times I can shift it to my choice & go, some times not...after reading other posts, I replaced the pushbutton switch...
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2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL52F75
Have no menu on this one for crankshaft relearn procedure? Genysis or Tech2 will not perform this test on this model for some reason. Is there a drive procedure that will allow the crank to relearn? I have read that 3 successful ignition cycles is suppost to a... Trouble codes: P0315
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2006 Chevrolet Express 2500 4.8L IC Lighting/DRL VIN: 1GAGG25V56
Good morning and thanks for stopping by. This Navy fleet unit was turned in for INOP DRL's and no dash backlighting. Upon closer inspection/verification, I found the headlight switch assembly to have been broken (looks like the dash panel dimmer swith was push...
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1990 Pontiac Trans Sport 3.1L MIL Lamp on VIN: 1GMCU06D8L
Vehical came in with a slight knock but performance was good. Replaced engine and trans from a doner vehical. Retained original harness and throttle body. SES light flashes all the time-flashes fast when first started then when it goes to closed loop flashes s...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Riviera 3.8L Hesitation, Cuts out, Stall, Misfire VIN: 1G4GD22165
sorry it took me so long to reply guys, but the customer just came back yesterday. anyway, most of you agreed that it was probably a wiring connection at the bulkhead connector or the crank sensor harness. after carefully taking both of these apart i didnt see... Trouble codes: P1361 (ignition control malfunction), P1670 (quad driver4 malfunction).
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1995 Buick Roadmaster 5.7L cooling fans VIN: 1G4BN52P2S
thank you every body, as the saying goes assume makes an ass u and me, I made an asumption that since they had changed everything else they would have checked or changed the rad cap. Kiss method rite. ryan [...] hit it rite on the head rad cap but every...
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1991 Chevrolet Corsica LT 3.1L MIL Lamp on VIN: 1G1LT53T3M
got this thing done and gone I checked the wires to the sensor for power and had the reference voltage then ohmed the wires to the computer and all looked good tryed a 3rd sensor still the same. so while running I (grasping at straws) staredt wiggleing the wir... Trouble codes: 15 (temp sensor open).
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1997 Chevrolet Camaro Z28 5.7L Differential VIN: 2G1FP22PXV
This one is fixed. First off I would like to Thank everyone who offered help to me on this one. I did double check the u-joints and they felt tight and smooth throughout the motion so I ruled them out. What I did do to make sure I was on the right path was ...
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2006 Saturn Ion-3 2.2L Misfire, MIL Lamp on VIN: 1G8AW15F46
I took the advice offered and switched the #4 injector with one from another cylinder.After doing this the miss went away and the scanner showed no misfires on any cylinders.There must have been a slight vacuum leak around the injector or possibly some debris... Trouble codes: P0300.
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