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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 22, 2019
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Silverado 2500 HD 6.6L no fuel rail pressur VIN: 1GCHC29131
Truck had no fuel rail pressure- installed reman pump. subsequently truck still had no rail pressure. installed new filter, fuel pressure regulator, added 6 gal fresh fuel, installed cap for fuel release valve- no change. individual injectors capped ...
2011 Chevrolet Colorado LT 3.7L Oil Pressure VIN: 1GCCSBFE4B
Will try to keep this brief. My shop maintains a fleet of 15 Chevrolet Colorados for a local business. They have been driving Colorados for 13 years now so we have maintained and repaired roughly 35-40 of these truck over the years. We have probably done c...
1996 Pontiac Grand Am GT 3.1L heat VIN: 1G2NW12M7T
Posted about this car 2 years ago-multiple theories as to cause of low\poor no heat. All controls-all HVAC doors appear to operate as designed. My question is why does the system draw outside air from the cowl in every mode except max ac? Drawing outside a...
2007 Saturn Sky 2.4L Unknown VIN: 1G8MB35BX7
When at 40mph or more. There's a groan/vibration coming from the rear. Goes away when you let off the gas. Driveshaft cv joint was a bit binding & the boot was torn. Had a new joint installed. Both rear axles was looked at as well. Outer joints had some pi...
2010 Saturn Outlook XE 3.6L Excessive Emissions, MIL Lamp on VIN: 5GZLVTED3A
Help gm techs!! this outlook came in several months back- bad #3 injector. Ok, i have it coming- i let the customer talk me into only doing one bacause of the cost. Now its back- p029d- injector leakage #4.runs so bad it stalls, multiple cylinder misfires,... Trouble codes: P029D

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Corvette 6.0L Auto door locks VIN: 1G1YY24U65
So I replace the shift control lever Assembly and fixed it. There is a switch in the shifter actually 2 switches, one is used for the shift interlocking solenoid and the other is called the transmission shift select switch circuit #1932 d-gn/wh wire pin#6 at t...
2014 Chevrolet Cruze LS 1.8L Timing Belt VIN: 1G1PA5SG8E
found the alignment tool for only 23.00 amazon. thanks for the replies guys, will try to post how well the tool works.
2007 Pontiac G6 GT 3.9L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality VIN: 1G2ZH35147
Sorry I thought I closed this. Found that the injector harness was installed wrong, because gm marks the intake runners 2-4-6 on the bank 1 side & 1-3-5 on the bank 2 side. Very easy to swap. Thanks for all the help Trouble codes: P0171, P0171.
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