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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 9, 2014
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
1976 Cadillac Eldorado 8.2L No Start
Holy flooded! Car came in as a no crank. Twisted the key got about a half revolution and could observe fuel running out of the front crank seal. Pulled the drain plug and drained about 4 1/2 gallons of gas and oil (mostly gas) out of the crankcase. Found all f...
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1999 Cadillac Escalade 5.7L a/c compressor VIN: 1GYEK13R9X
customer came in with bad clutch on compressor replaced compressor and recharged noticed compressor stays engaged all the time unplugged low pressure switch still runs unplugged a/c control in dash still runs the only way it shuts off is pull comp fuse or comp...
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2013 Cadillac ATS 2.0L Misfire VIN: 1G6AC5SX8D
I have a stupid questin. This cute car has misfire problem. I performed leak down test and found cylinder 4 70% leaking. Please let me know whether I can replaced the piston in vehicle or not. Should I remove the engine to replace the piston and connecting rod... Trouble codes: P0300 (p0304-), P0304
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1972 Chevrolet El Camino 5.7L No Start VIN: 1W80U8D401
thanks in advance. Customer brought car to us stating that he put on a intake gasket,and valve cover gaskets, and now the car want start. what little information that we found is no help. my problem is that the car is back fireing through the carb and the carb...
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1997 Chevrolet Lumina 3.1L Poor Idle Quality, Cuts out, Stall VIN: 2G1WL52M2V
normally i would have had this fixed by mow, but service writer is too lazy or stupid to ask for vehicle history and gave me a wrong description. Now I need help to get unburied. 97 lumina car 3.1m will run until you hit drive. as soon as you shift to drive en...
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2000 Chevrolet Corvette 5.7L Head light Door problem VIN: 1G1YY32G2Y
Hello Friends This 2000 Corvette came to my shop with a new dead battery. When I hooked up the battery charger I found that both headlight cover motors turn, but the headlights won't come up. I disconnected both headlight motor assemblies and charged the batt...
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2007 Chevrolet Suburban 1500 LT 5.3L Front Struts VIN: 3GNFC16087
Im working with this rear wheel drive suburban that has the z55 real-time damping suspension. Customer complaint is that the front suspension is very stiff over bumps. The worse the bump the stiffer/harder the hit. Going over a speed bump at 5mph feels like ti...
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1998 GMC Sonoma SL 4.3L engine VIN: 1GTCS14X9W
Engine runs down the road normally,but at an idle has rough idle{vibration}feels like a misfire,No misfires show on scanner,I can force a misfire on scanner by pulling a plug wire.I'm leaning toward engine problem{balance shaft,torque convertor?}.After replaci...
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Fixes & Summaries for GM
Fix/Summary Answers
1993 Buick Roadmaster Limited 5.7L Unknown VIN: 1G4BT5371P
I extended the drain out about 8 inches with a hose. It had a 90 degree elbow on it already. The drain was spotless when we pulled case down so it was not a stopped drain isssue. It condensated very heavily on outside of case.
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1994 Buick Century Special 3.1L Coolant Gauge VIN: 1G4AG85M1R
Hello all! Thank you to everyone who replied. The customer decided that if it's not overheating and the gauge is "just reading crazy"(his words), he isn't going to put any money in it other than what my time cost him to diagnose it. We were about to order a...
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2005 Chevrolet Silverado 2500 HD 6.6L steering pump VIN: 1GCHK23275
Well,I did replace the pump and hudraboost with GM parts and things are just fine now.am driving the truck and certain that the problem is fixed.thanks!
6
2007 Chevrolet Uplander LS 3.9L BPP sensor VIN: 1GNDU23117
Checked yellow sensor line between BCM and brake pedal position sensor. The yellow sensor line continuity is good. And the line did not contact any ground or other lines. So we concluded the BCM was bad. The customer did not decide yet whether fix it or not.
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2008 Chevrolet HHR LT 2.4L MIL Lamp on VIN: 3GNDA53P58
Thanks again for everyone's help, this was apparently an IT problem. The original diagnosis was correct, Bricked BCM. I am using a Tech 2 WEB, laptop version of the Tech 2. It apparently cannot communicate on high and low speed CAN at the same time. I took the...
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2010 Chevrolet Equinox LTZ 3.0L Misfire VIN: 2CNFLGEY1A
Ok so I didn't get this one fixed. It ended up going to the dealer for repair. They cylinder head does have to come off. There just isn't room to get the injectors out. To answer the questions. I unhooked the injectors electrically and removed the spark plug f... Trouble codes: P00C6, P0300.
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2010 Chevrolet Impala LS 3.5L Rr Speed Sensor VIN: 2G1WA5EK2A
HI, EVERYONE SORRY BEING LATE TO CLOSE THIS ONE. I WANTED TO BE SURE THERE IS NO MORE PROBLEM. THE CONNECTOR HARNESS TO THE SENSOR WAS DAMAGED TO, WHICH WE HAD MISSED. THANKS TO ALL OF YOU FOR YOUR HELP. THANKS AGAIN MATT
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2005 Saturn Vue 2.2L no start, no comunication with ECM VIN: 5GZCZ23D75
Found loose power feed to fusebox. Cleaned and tightend termial. Condition has not returned.
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2007 Saturn Ion-2 2.2L Instruments VIN: 1G8AJ55F97
Some more research on this vehicle and found that it was purchased in Canada and brought into the states, Used car lot says the odometer was converted to KPH to MPH... I remembered when programming the BCM there was several options that had to be selected one ...
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