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Prev Professional Automotive Repair Technical Discussions for September 12, 2013
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Open Help Requests for GM
Help Request Answers
1984 Chevrolet C70 C7D064 6.0L fuel pump VIN: 1GBN7D1E3E
I am looking for wiring diagrams for this truck, have not had any luck with any of my usual channels. So far I tried AllData archives, the local GM dealer, as well as some other shops that have medium & heavy duty truck info systems. Also posted in the HD foru...
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1997 Chevrolet Camaro 3.8L ac air temp. VIN: 2G1FP22K6V
I purchased this car for my daughter. after buying the car, I realized the a/c compressor was seized up. I replaced the compressor, the orfice tube, and the condenser, and flushed the entire system through. After charging the system, on 90 degree day, the dash...
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1997 Chevrolet S10 4.3L Abs inop VIN: 1GCCS19X8V
My abs lite is on and found no speed readin out of pass front sensor.replaced that sensor and got mph reading but scanner is telling me erratic readings on both front now,reading rear sensor but does not have rea abs.scanner says switch open on fron and rear a...
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2000 Chevrolet Astro 4.3L security VIN: 1GNDM19W9Y
help to all the tech. I have this car which is my neighbors van and he come up to me asking for some help regarding his van it does start and it will stall in less than a minute. I know I'm dealing with security system for its steady on but once I put my scann...
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2001 Chevrolet Corvette 5.7L Interior VIN: 1G1YY32G01
I got this corvette here with the turn signals not working intermittently. I know the hazard switch is a common problem so i was gonna slap one in. Well turns out its not as easy as slapping one in. My question is does anyone have any tricks to remove the haza...
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2003 Chevrolet Trailblazer North Face 4.2L Left Blend door VIN: 1GNET16S83
I now get look at this problem. Scan for codes no codes in system. verify issue only heat on divers side. Watch data on tech 2 can watch right side commanded and actual are close to each other. When you sweep right side though it air flows leaves vent and it s...
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2003 Chevrolet Trailblazer LTZ 4.2L compressor VIN: 1GNDS13S23
truck was in for an axle seal. we left the ign on i guess and the battery was dead the next morning. Charged battery and now the ac does not work. No a/c light on control or recirc light on control. Blower works and it appears stuck on full heat as well. So we...
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2006 Hummer H2 6.0L MIL Lamp on VIN: 5GRGN22U86
The vehicle came in for check engine light diagnostic. Found dtc p0120 (T.P. sensor circuit). Also found that the harness to the throttle body has been replaced and looks good. Scoped both tps circuits. Tps 1 signal and reference voltages are good. Then I foun... Trouble codes: P0120
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Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall VIN: 1GNDM19X33
thanks to all who offered help. The cam sensor scoped fine, but in desperation I replaced it. the car has been gone for 3 weeks with no problem.There was no reason in my mind to understand this but the sensor was bad. I had already tried all the things that we... Trouble codes: P0341.
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1993 GMC K1500 Sierra SLE 5.7L Transmission VIN: 2GTEK19K7P
CUSTOMER OPTED TO DRIVE TRUCK EVEN THOUGH NO FIRST GEAR TAKE OFF WAS APPARENTLY CAUSED BY THROTTLE BODY TO CARBURATOR CHANGE OVER. THEY WILL DECIDE WHETHER TO GO BACK TO THROTTLE BODY OR CHANGE TRANSMISSION YEAR W/DETENT CABLE.WILL WEIGH THE MONEY DIFFERENCE A...
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2003 GMC Sierra 1500 SLE 5.3L overheating VIN: 1GTEK19T33
Thanks to all techs that respond to this request. I took advice. And I ended replacing radiator and solve the problem, so again thanks to all techs the support this isue.
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2003 GMC C4500 Topkick C4E042 6.6L vss VIN: 1GDE4D1123
I'm sorry it took so long to close this post, I wanted to be sure the truck would not come back with this same issue again. thanks for the replies you guys hit it right on the nose with the programming issue. the axle and tire size was not programmed into pc...
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