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Professional Automotive Repair Technical Discussions for June 19, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Cadillac Catera 3.0L timing belt VIN: W06VR54R41 Customer 1st brought car in for valve cover gaskets and spark plugs. I had done all of this and installed new coil assemblies. Test drove the car and all is well. Turned car back to customer and they drove about 5 miles let car idle 20 min. while in store. The... |
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| 1994 Chevrolet Lumina APV 3.1L No Start, VIN: 1GNDU06DOR vehicle now runs for 15-20 minutes and burns out the secondary side of the ignition coil. we have replaced the coil twice and it still burns them out. i have not found any further help on mitchell. any help from the pro's out there would be a great help. thank... |
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| 1995 Chevrolet Monte Carlo Z34 3.4L alternator VIN: 2G1WX12X3S is there any shortcut to replacing the alternator other than removing the front subframe? can i just drop the right side with the left side bolts loose and take the alternator out trough the wheel well and leave the engine mounts and steering rack alone? allda... |
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| 1997 Chevrolet Lumina 3.1L Hesitation VIN: 1GIND52M8V ouch this one is driving me nuts. narrowed hesitation down to egr. during light accel in drive egr is commanded 99% and actuall egr position is 99%. intalled donor egr just because and no change hesitation still preset. this is screwing up this cars performan... |
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| 1998 Chevrolet Monte Carlo LS 3.1L starter VIN: 2G1WW12M6W gentlle & women, i have a monte carlo that intermitt. blows the 5 amp starter relay fuse. what we have discovered is the customer will drive the car, shut it off and go out to retart it in the morning to find the 5 amp fuse is blown. very intermitt. has anybo... |
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| 2002 Chevrolet Avalanche 1500 5.3L right rear pad VIN: 3GNEK13T32 Installed new GM calipers, rotors and pads at customer request. Again 6k miles later, right rear pad worn metal to metal. Checked for dragging when hot, no problem found. I also have another customer with the same problem. This is the twin piston PBR caliper w... |
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| 2005 Chevrolet Cobalt 2.2L front end VIN: 1G1AK52F15 Hello all, this cobalt make noise on bumps, rather noisy, sounds like its coming from the left side. Replaced the end links because the right side was really loose. Has anyone seen the intermediate steering shaft make noise on these like the trucks? Any though... |
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| 2008 Chevrolet Express 2500 LS 6.0L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Runs BADD VIN: 1GAGG25K18 GM Men-this truck runs BAD-fleet vehicle fairly well maintaned-driver states she fueled up on the highway-started to run poorly cel came on & traction disable message came on DIC.Vehicle has been driven hundreds of miles since the event.Not sure if this matter... Trouble codes: P0106, P0300, C0561 |
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| 2001 GMC Sierra 2500 HD SL 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTHC24UX1 this vehicle is missfiring on acceleration (check engine light flashing) and setting code p0300. monitoring missfire monitors cylinders 1/6 are missfing. just performed an all a/c delco tune up (ig, plugs wires, 2 coils, fuel filter and air filter) for the 1st... Trouble codes: P0300 (ramdom missfire) |
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| 1994 Oldsmobile Cutlass Supreme S 3.1L Poor Idle Quality, Stall VIN: 1G3WH15M4R hello all in iatn world. other shop did a head gasket on this and after that it would have erattic idle problems. when it acted up, it acted one of two ways. first, for me, it would start idle (cold) at about 1k rpm, then slowly climb to 2k and stay. scan tool... Trouble codes: 36 (24x signal error) |
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| 1994 Pontiac Firebird 5.7L No Start Vehicle will not always start. Checked basics: found spark and proper fuel pressure but no pulse at injectors. Car would intermittently pulse at injectors and sometimes could get it to start. But when it wouldn't start (which is most of the time), there was no... |
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| 2005 Pontiac Sunfire 2.2L suspension VIN: 3G2JB52F25 We seem to have a brain stretcher that's stumping us. It's an 05 sunfire at around 90-120 kms/h it starts to buzz a really loud annoying brain-buzzing frequency inside the cab. It sort of changes with slight steering wheel movement reminding you of a wheel bea... |
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| 2003 Saturn Vue 3.0L Mechanical VIN: 5GZCZ63B13 Customer came in with excessive valve train noise found a post that said to change the oil, if that didn't help check valve timing,it is ok also checked oil pressure 70lbs any help would be appreciated before I start taking it apart ,Thanks in advance |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Buick LeSabre Custom 3.8L Cuts out VIN: 1G4HP52K3T Well I'm calling this one fixed. Turns out I should have paid more attention when looking for TSB's. Bulletin #2005-09-07 addresses this exact concern. Apparently the TPS can have a dead spot that cannot be seen by a scan tool. The failure happens too quickly ... |
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| 1999 Buick LeSabre Limited 3.8L vents VIN: 1G4HR52K2X I POSTED THIS HELP REQUEST FO ANOTHER SHOP AND THEY HAVE NOT FIXED THIS VEHICLE AND COULD NOT GIVE ME MUCH INFO, BUT THANKS FOR THE REPLIES, VERY GOOD INFO THAT I WILL USE ON MY NEXT ADVENTURE |
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| 2001 Buick LeSabre Custom 3.8L drp system VIN: 1G4HP54KX1 Thanks to everyone who helped! iATN is the Greatest! Mel from Indiana said to check the wiring near the rear floor pan where the ABS wires tend to corrode. This was not a problem on this car. Rob from Michigan hit the nail on the head! We had 3 215/70/15 tires... |
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| 1999 Cadillac Eldorado ESC 4.6L Starting VIN: 1G6EL12Y0X Kevin from Michigan made the job simple. The orange wire on the accessory wire was not making good connection. I replaced the terminal end on the orange wire and replaced the relay for a good cya. Also I bent the rod back to where it was originaly for the i... |
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| 2000 Cadillac Catera 3.0L MIL Lamp on VIN: WO6VR54R8Y well after scratching the head a little bit i took the air lines apart checked for carbon build up found none so i cleaned the mass air flow sensor and walla the car is fixed the sensor was sending a false reading to the computer and giving me a bogus code the... Trouble codes: P0411 (secondary air fault). |
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| 1996 Chevrolet Monte Carlo LS 3.1L Unknown VIN: 2G1WW12M0T How much for that Crow in the window mister? Well it seem that you have too put all the Injectors in there hole on the lower intake or you will have a Major Vacuum Leak and the vehicle won't idle and will miss on all cylinders.Thanks for all the help. Thanks ... |
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| 1998 Chevrolet Cavalier 2.2L Misfire, MIL Lamp on VIN: 1G1JC5248W Thanks to everyone for the help. After checking for coil strength by making each one jump a spark tester, I noticed that the 2/3 coil was weaker than the other one. I replaced it and that was it.Apparently the bad coil was affecting the primary side triggering... Trouble codes: P0335, P0341. |
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| 2003 GMC Savana 3500 6.0L Poor Idle Quality, Surge, high idle speed VIN: 1GJHG39U73 Got 4 responses on this one. Thank you Richard [...]. First of all, the corrective action. I ran all 4 wires (ckts 444, 1747, 1748 & 1749) from th IAC to the PCM. In so doing, I may have repositioned the e... Trouble codes: P0507. |
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| 1999 Oldsmobile Intrigue GL 3.5L No Start VIN: 1G3WS52H8X This vehicle is fixed. First I want to Thank You everyone for all the helps. This vehicle came in NO Crank. Security light ok not flahsing anything. Security system normal nothing wrong with it. I even tried to do relearn by following Alldata. I checked ... |
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| 2003 Saturn Ion-3 2.2L security VIN: 1G8AL52FX3 Well, the vehicle is fixed. It needed a second Ignition Switch(even though the dealer claims it was ok) because the first one was faulty. I follwed all testing procedures and ended up on the dealers advise changing the BCM. I don't think I ever really needed i... |
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