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Professional Automotive Repair Technical Discussions for May 9, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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(Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
Help Request | Answers | |
2001 Chevrolet Silverado 2500 HD 6.6L Transmission VIN: 1GCHK23131 Thank you to all who read this. I have a customers truck here that clunks and jerks like it got rear ended just after a hard stop. if you accelerate up to 15 mph or so and stop quickly about 2-3 second later the trans clunks and jerks forward. I noticed in sca... |
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2002 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 2GCEK19T22 miss at idle and under light load. miss is all bank one, moved coils, plugs, wires, cleaned injector rail, moved injectors, bank 1 and bank 2 o2 sensors, all of them to other side. no change. replaced fuel filter. b1s2 reads 800 and b2s2 reads around zero. rep... Trouble codes: P0300, P0301, P0303, P0305, P0307 |
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2011 Chevrolet Cruze LT 1.4L timing chain VIN: 1G1PF5S93B Hello All, I'm just looking for some info here. This car was in an accident which broke the valve cover and jammed a bolt into the cam sprocket causing the timing chain to tear. I'm replacing the chain and checked Alldata for timing marks. Alldata says to remo... |
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1999 GMC Yukon SLT 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEK13R5X Vehicle came in shop with p0302, rough idle. Scoped #2 it seemed to have a short burn time. Installed new plug,new wire and cap same issue. Did a injector power balance with tech 2 all injectors same result. Did a relative compression test showed #2 low,checke... Trouble codes: P0302 (2 misfire) |
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2003 GMC Yukon SLE 5.3L rear hvac VIN: 1GKEK13Z33 Replaced the rear temp actuator this past winter, customer no complains of no a/c just heat- it will go from full hot to full cold only- any ideas on what to check? |
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2008 GMC Sierra 1500 SLE 5.3L compressor VIN: 3GTEK13J68 Hey all, got this truck that was brought in a few weeeks ago. His complaint was that the ac snow falke like on the the HVAC control module would start blinking and the ac would stop cooling. It only will happen on a long drive of 1 hour or more. If you shut th... |
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2000 Oldsmobile Bravada 4.3L Hesitation, Misfire VIN: 1GHDT13W7Y No easy money on this one. Vehicle came in with slight engine missfire's under light throttle with no service engine light or any store or pending codes. No typical missfire p0300 or any p03xx codes at all. Perform preliminary checks, all sensors within specs.... |
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2002 Pontiac Grand Prix GT 3.8L Cuts out VIN: 1G2WP52K12 This vehicle cuts out from 2000 to 2300 RPMS under slight/moderate accelleration. A little more to heavy throttle and it quits. It occurs at any speed as long as it is slight/moderate accelleration at 2000 to 2300 rpms. It will cut out the whole time at this R... |
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2006 Saturn Vue 3.5L Electronic VIN: 5GZCZ53416 Thanks up front on this one. [Vehicle came in with only an oil leak and no codes]. This all startd as a rear main seal leak,droped sub frame w/engine and transmission split transmission fixed rear main and rear main housing. Put it back together, did water pum... |
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Fixes & Summaries for GM
Fix/Summary | Answers | |
1995 Buick Park Avenue 3.8L engine missfire VIN: 1G4CW52K6S Thanks for all the input guys special THANKS to Dan [...] for the info on block learn but the fix was a BAD COIL the check of taking the wires off and watching for an arc from tower to tower was great i had a coil for #3 #6 not arcing replace the coil and tes... |
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1963 Chevrolet C20 Pickup 4.8L Poor Idle Quality VIN: 3C254J1084 Open your eyes and you shall see! If you guys hadn't pushed me into taking another look at this carb I might have swapped in a newer one and got my butt kicked by one of the simplest fuel metering devices on the planet! When I pulled this carb apart almost 2 m... |
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2006 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK15FX6 Evening techs, never trust what someone else does! I started from the beginning- I pulled the intake hose off the air cleaner housing and unclipped it from the pump and made sure there was no restrictions, there was none.next I went to pull off the hose from t... Trouble codes: P0411. |
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1995 Geo Prizm LSi 1.6L Stall VIN: 1Y1SK5268S Thanks to all that replied. Ignition coil fixed this car. Coil OHM ed out good and fired test plug well in service bay, of course it was not malfunctioning then. Sometimes experience trumps test procedures!!! Thanks again to all. |
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