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Professional Automotive Repair Technical Discussions for January 24, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Cadillac DeVille DHS 4.6L No Start VIN: 1G6KE57Y42 This vehicle came in overheating. Had bad headgaskets,warped heads, and the threads on some bolts pulled out of the block.We replaced the engine with the same engine only this is a 2001 eng in a 2002 vehicle. Questions are is there any differance in cam/crank ... |
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| 2003 Cadillac CTS 3.2L Ignition VIN: 1G6DM57N13 I have a 2003 Cadillac CTS that has all of bank two misfiring. It only misfires at an idle. CEL is flashing codes are 300, 302,304,306. As I put I had just replaced the water pump so I have disassembled the vehicle another time to make sure that none of the in... |
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| 1996 Chevrolet K1500 Silverado 5.7L No Start VIN: 2GCEK19RXT Truck came into the shop over the weekend for no start. with key on, no noise from fuel pump. Tested fuel pressure, had no fuel pressure. Checked for power on gray wire to fuel pump with key on, no power on gray wire. Jumpered gray wire in harness just before ... |
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| 1996 Chevrolet K1500 WT 4.3L No Start VIN: 1GCEK14W5T Hello, and Thanks in advance, 1996 Chevy 1/2 ton 4wd, 4.3l, towed in, no start, brought in shop, replaced dead battery, attempted to crank, still no start, could hear fuel pump running, so went on to spark check, no spark at plugs, good at coil, replaced cap, ... Trouble codes: P1351 (IC Circuit High Voltage) |
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| 1999 Chevrolet Tahoe 5.7L Electronic VIN: 1GNEK13R0X I have a 99 tahoe that is setting a P0740 code: Converter clutch silniod circiut open fault. I have replaced the silnoid still still no change. I read in the fix that a n ingition swicth had caused thees faults so we replaced the switch. Still code repeats as ... |
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| 2003 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK29183 Hello Everyone, I have been battling this duramax, and was wondering if anyone knew of any good books/manuals with good information on these engines. Mitchell just gives me some basics, and I was hoping for more in-depth tests and specifications. Thanks in ad... |
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| 2003 Chevrolet Avalanche 1500 Z71 5.3L Surge, Cuts out, MIL Lamp on VIN: 4545A06893 Hi guys I have a Chevrolet Avanlanche 2003 it cuts out on load about 25% of load when it's hot (in close loop). It's the same that if i shut off the key and i come on. I have 2 codes P0101 Mass air flow performance and P0300 Random missfire. I have changed 2 ... Trouble codes: P0101 (Mass Air flow performance), P0300 (Random missfire) |
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| 2004 Chevrolet Tahoe Z71 5.3L No Start VIN: 1GNEK13Z44 Cust brought vehicle in due to a no start problem. She said she had to open the throttle or "pump the gas" to get it started. Of coarse the truck has not failed at all since we have had it. All readings are normal at this time. The only code in the pcm is p017... |
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| 2005 Chevrolet Express 2500 4.8L Theft Dterrent VIN: 1GCGG25V95 No start after axle mechanical repairs as listed. Engine will crank and start, runs for a couple of seconds and quits. Fuel pressure constant at 62psi. Has spark when cranking. Loses injector pulse. Voltmeter pegs at minimum when key turned on and rises from p... |
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| 2006 Chevrolet Malibu LT 2.2L cooling system VIN: 1G1ZT51F86 Hey all. chasing a cooling loss problem here. We have replaced the coolant bottle and cap. We also replaced the thermostat. Vehicle holds a pressure test of 16 ps1. Tested for exhaust gases in the system, none found. Cooling fans come on at 224 like they shoul... |
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| 2006 Chevrolet Monte Carlo LT 3.9L Steering VIN: 2G1WK15166 Vehicle came in with no power steering. Replaced power steering pump and flushed system using GM fluid. Installed filter and bleed system. Vehicle now has power assist but steering is extremly stif at idle with foot on brake pedal but becomes easy as sooon as ... |
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| 2008 Chevrolet Uplander 3.9L Heater VIN: 1GBDV13WX8 Looses heat while at idle. As soon as you hit accelerator heat comes back. Vehicle is not overheating. |
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| 1998 GMC Safari SLX 4.3L LF drive axle pops out VIN: 1GKEL19W7W This Safari is driving me nuts. It originally came in this time for a large fluid leak and noise in LF. Found LF drive axle popped out of the front diff, leaked lots of fluid out, front diff noisey. I replaced the front diff with a used part. When I got it apa... |
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| 1999 GMC Safari SLE 4.3L Poor Idle Quality, Hesitation, Stall VIN: 1GKEL19WXX Ok everyone this one has truly got me.he is your avearge gmc safari van with 4.3 vortec motor.well I am having such a hard time trying to figure out why after you drive this van 5 or 6 miles it will come to a stop and die.then it is hard to restart and when it... Trouble codes: P0301 |
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| 1999 GMC C 6500 454CID Valves VIN: 1GDJ6H1D0X This is a large truck that came in with terrible skip.After careful checking,I replaced one valve spring to no avail.Truck wound up having 2 tuliped valves.After removing heads found cyl1 and 6.with tuliped intake valves.Number 1 looked like a suction cup numb... |
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| 2005 GMC Envoy SLE 4.2L oil consumption VIN: S532141736 This vehicle used 4 qts between its last oil change,the customer ususlly changes his own oil and this came on suddenly,he never had a consumption problem before.My initial reaction was to replace the valve cover gasket as it appears to be leaking there.After d... |
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| 2001 Oldsmobile Aurora 4.0L Dome Light VIN: 1G3GS64C11 Customer complains dome lights never work. He had previously changed DIM fuse #38. Also found #14 DIMR (10A) blown, replaced both with correct amp & verified power on both sides of fuse, no other blown fuses, other systems operate, no other problems. purchased... |
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| 2005 Pontiac Vibe 1.8L speed sensor? VIN: 5Y25L63885 We get a low tire pressure light that comes on after a few miles, it has a reset button but the light keeps coming back on. This doesn't have sensors in the tires so we assume a wheel speed sensor is bad but we can't get into the system with Snap on Master Tec... |
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| 2002 Saturn Vue 2.2L Mechanical VIN: 5GZCZ23D22 Attention Saturn Techs!!! This Saturn needs the engine replaced, will an engine from a Cavalier or some other line fit this Vue? It has a 2.2 liter engine that looks like an Eco-Tech. We have received conflicting reports, some say it has to be the exact engin... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1978 Chevrolet Caprice Classic Landau 5.0L hvac VIN: 1N69U8S129 thank you for all your help out there.i did get a copy of the vacuum diagram that help me make the repairs.thanks was again |
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| 2006 GMC Sierra 1500 SLE 5.3L Mechanical VIN: 2GTEC19Z46 REMOVED PASSENGER SIDE CYLINDER HEAD AND FOUND ONE LIFTER ROLLER AND TWO CAM LOBES DAMAGED. THANKS FOR ALL OF THE RESPONSES. A FEW OF YOU NAILED IT. |
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| 2000 Pontiac Grand Prix SE 3.1L Hesitation VIN: 1G2WJ52J2Y All good things to try, but the condition is too intermitted, I thought the thought that the harness that runs in front of the oil pan could be it, but no go. The fact that the car only does it when warm. no codes, and it has to be under a light load. Makes it... |
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| 1993 Saturn SL2 1.9L No Start VIN: 1G8ZK5576P HELLO FELLOW TECHS THANKS FOR ALL THE IDEAS UNFORATLY NOTHING WORKED I EVEN TRIED ANOTHER ECM. I DID FIND IN AN OLD MITCHEL MANUAL THAT THE SPEEDOMETER MAY EFFECT THE QUAD DRIVER. THE VOLTAGE FROM THAT CIRCUIT TO THE ECM IS GOOD BUT THE SPEEDOMETER DOES NOT WO... |
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