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Professional Automotive Repair Technical Discussions for March 19, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Buick Century Custom 3.1L Starter VIN: 2G4WS52M0X I have a great one, This car came in with a no start condition. There was no power at the purple wire at the starter. I traced it down to the wiring harness at the battery was all eaten, and repaired the wires, and someone before me has put in a used ecm. now ... |
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| 1979 Cadillac DeVille 7.0L engine This engine has been just rebuilt. Primed the oil pump and oil gallies before starting. After running for 15 min. the engine died. Found the dist. gear schreaded. The dist. drive on the cam and the timing chain show no oil lube. The problem here is that I have... |
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| 1972 Chevrolet C10 Pickup 5.7L Cuts out, Misfire Howdy this is my first request for help. Customer brings a 1972 c10 with a 1996 5.7 vortex and t350 trans. motor has a Holley 4 bbl carb. and a hei dist. with vacuum and mechanical advance, in with a list of work needed. problem is on acceleration under load o... |
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| 2000 Chevrolet Express 3500 6.5L No Start, Poor Idle Quality VIN: 1GBJG31F9Y Let me start by saying I am not a diesel man, this belongs to one of my regular customers and I am trying to help them out. Vehicle was towed in with crank no start condition. Found fuel present at the Schrader valve close to pump. Pressure was at 8 psi. Opene... |
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| 2005 Chevrolet Trailblazer LS 4.2L Stall, MIL Lamp on VIN: 1GNDS13S45 Engine came in with misfire code. Exhaust seat not sealing. Remove head and machine shop repaired this. Re installed no skip but engine stalls and code set. Remove valve cover and verified timing ok. So we replace cam phaser and solenoid. Still same problem. R... Trouble codes: P0017 (Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor B) |
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| 2006 Chevrolet HHR LT 2.2L No Start VIN: 3GNDA23D86 Need help GM techs! Car came in with blower motor not working in any position you put it. Check power to blower motor and didn't have any. Put power to motor and blower turned on. So I checked power at the blower motor fuse and had battery power so then I want... Trouble codes: B0595 (Fasten seatbelt indicator circuit short to ground), U2106 (Lost communication w/Tim invalid data), U2108 (Lost communication with ebcm/ebcm), U2111 (Lost communication with steering control system) |
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| 2009 Chevrolet Silverado 1500 LS 4.8L calipiers VIN: 3GCEC13CX9 Vehicle came in with ABS and Traction control light coming on intermittently. Had only one stored DTC, C0161 Brake switch plausible. When the warning lights come on the brakes lock as if the e-brake has been set and the vehicle will not move. I then have to le... |
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| 2010 Chevrolet Equinox LS 2.4L Hesitation, Stall, only when ice cold VIN: 2CNFLCEW0A Our customer brought this car stating only when cold, the Chevy Equinox has a miss when cold, and has very little power. Also, sometimes when cold it will stall while idling. There is a tSB for a pcm reflash (I cant remember the number right now, sorry). So I ... Trouble codes: P0690, P2119 (throttle closed position performance) |
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| 2001 Saturn SL1 1.9L No Start VIN: 1G8ZH52861 Like most of these problems we did the 10 minute relearn as the security light was flashing and it would start and die.The testing for these codes give us a dead and as they say with key on passlock volts shoud be .6 to 4.3 for one test and below 4.3 for the o... Trouble codes: B2960, B2958 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Chevrolet Tahoe LS 5.7L ABS Module VIN: 1GNEK13RXW After removing the right front hub assembly you could feel a slight roughness every once in a while with your finger tips. We bought a new assembly and the abs is happy, no steady fault light's and normal checks. There is still a on again / off again communica... |
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| 2001 Chevrolet Suburban 1500 5.3L Catalyst monitor VIN: 3GNFK16T81 THANKS FOR ALL THE REPLIES. TRIED SEVERAL TIMES WITHOUT NO LUCK. TALKED TO SMOG SHOP THEY SAID IT COULD HAVE ONE MONITOR NOT COMPLETE. RAN SMOG , IT PASSED THANKS AGAIN Trouble codes: P0420 (Catalyst effencincy). |
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| 2009 Chevrolet Impala LS 3.5L misfire on cylinder 3 VIN: 2G1WB57K19 Sorry it took so long but I removed the intake looking for a leaking intake manifold gasket and found the camshaft lobe and lifter for the cylinder with the misfire worn down and pitted. Thank you all for all your input. |
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| 2007 GMC Sierra 1500 WT 5.3L 2-3 shift VIN: 2GTEK13MX7 truck is fixed. thanks for the replies. owner took vehicle to a local dealer and they replaced it with a GM reman. Just to verify, there were NO codes tested with a OTC Genisys. When put into drive it shifted normally in to 2nd, then as speed increased and ... |
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