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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 10, 2011
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
1979 Chevrolet Camaro Z28 5.7L Tachometer VIN: 1G287L9N59
This is my own car. The factory tachometer is reading twice as much RPM's as the actual engine speed as proven using Tachometer on Snap on timing light and another tach tool. It shows 7,000 RPM's when I drive around 70 MPH. Actual RPM is closer to 3500. This i...
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1999 Chevrolet P30 5.7L 1.210 VIN: R1X3300882
Cust says the front brake's keep locking up and smoking and he had the front brake hoses and two front calipers and had a tech tell him he needed a hydro booster i think it needs a proportioning valve anyone can help with some ifo it makes more to me to replac...
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1999 Chevrolet C3500 7.4L No Start, weird symtoms VIN: 1GCHK39J3X
helping a friend OK... he,s got a strange one here. first off the customer broke the key off in old column , key would not turn i assume.anyways he found one out of a 1995 or 96 model 1/2 ton & put it in, next he hauls in it cause it would not start. checked f... Trouble codes: P0108
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2004 Chevrolet Silverado 1500 4.8L Hesitation, Surge VIN: CGCEC19V04
This vehicle only hesitates between 60 and 70 miles per hour only if you accelerate from that point it will hesitate and sometimes jerk,no codes generated i have noticed that when it does it a misfire occurs in all the cylinders, but not enough to set a code,b...
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2009 Chevrolet Aveo5 LS 1.6L MIL Lamp on VIN: KL1TD66EO9
Code p0441 will not go away sensor and circuit and pcm all good. What am i missing Trouble codes: P0441
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2002 GMC Savana 2500 5.7L Rear brakes VIN: 1GTGG25R32
This van was in the shop a few weeks ago for a rear brake job. The rear shoes and hardware kit were replaced with aftermarket. The van returned with a complaint of shuttering from the rear brakes. The rear drums were replaced and it was sent on it's way. This ...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac DeVille 4.6L Alternator VIN: 1G6KD52Y9V
HI AGAIN EVERY ONE: THANKS TO ALL 20 OF YOU TO TAKE YOUR TIME TO RESPOND, SPECIALLY LOUIS BERNSTIN, HE EVEN CALLED TO TALK ABOUT IT ! ANYWAY THE PROBLEM WAS AFTER MARKET HIGH POWER AMPLIFIRE IN THE TRUNK WITH A WORN OUT WIRE, ONCE IN A WHILE PULLING TOO MACH C...
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2004 Cadillac SRX 3.6L Misfire VIN: 1GYEE63734
Check noid at harness connector on #6 inj and had no noid checked wiring from computer to connector and was good so ended up being the ecm thanks for all the posts Trouble codes: P0206, P0300.
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1999 Chevrolet Corvette 5.7L Cuts out, Stall VIN: 1G1YY22GXX
The customers has not brought the car back after our recent repairs. The problems that the car was having have not re-occured for us. Thanks for all the input
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2006 Chevrolet Silverado 3500 LS 6.6L MIL Lamp on, Engine Limp VIN: 1GCHK33D66
Well this truck repair took a little longer than normal. I found no service information on Alldata for the injector return flow test on an LBZ so I had to go directly to the source at ACDelco Tech Connct. There I found the full procedure as well as a new enh... Trouble codes: P0087 (Fuel Rail Pressure Too Low).
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2007 Chevrolet Silverado 2500 HD LT 6.0L No Shifting VIN: 1GCHC24U17
thank you ATN team and yes a lot of your help guide into the problem,wich was the trans harness,been melted,unfortunally the owner took it back to the shop that istalled the tranny 2 years ago hoping to get some warranty,thank you all again
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2008 Pontiac Grand Prix GXP 5.3L abs
Well not much info hear just replace the ebcm took care off the no start thanks for all the help.
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