GM Automotive Technicians Technical Discussion and Fixes for Jun 19, 2012 - iATN (Members Only)

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Open Help Requests for GM

	Help Request	Answers
	1967 Chevrolet C10 Pickup 5.3L 3-2shift Customer has installed 200r4 transmission with shift kit and 2500 stall converter. He brought to me when he couldn't get it to shift as he wished. First I adjusted the TV cable on carb by adjusting pivot points and was able to get upshifts nice and crisp and w...	View
	1994 Chevrolet Astro CL 4.3L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GNDM15Z9R I'm not sure how to word this because I've not seen anything like it. This astro van has been to three shops in the area and all have thrown in the towel on this one. the problem seemed to be that it wouldn't idle. One fellow found that by unplugging the alter...	View
	2007 Chevrolet Express 2500 4.8L Stall engine stall when shift in reverse and occasionnaly in drive when hot , look at the throttle plate when the problem occur it open but no power at all the only issue to the engine is to stall . Restart is good idle is perfect place in reverse then engine cut in...	View
	2001 GMC W4500 Forward W4S042 4.8L blower motor VIN: J8DC4B14X1 Blower motor is inop, no power to it can power the blower motor with power probe it works, there is no power to 3 fuses in glove box when powering these everything works, found relays and what i can tell is the white red wire is the control, heres the issue ha...	View
	1989 Oldsmobile Cutlass Ciera 3.3L Mechanical VIN: 2G3AJ51N6K car tow in, customer stated crank but no start. Drove from home to store, parked 10 minutes later came out crank no start. Right after drop off, we start and it run smooth like nothing happen. Took it out for a block, still run fine. Let it run at idle for ano...	View
	2001 Oldsmobile Aurora 4.0L Air Injection VIN: 1G3GS64C01 P1416 Secondary Air Injection Bank 2 Code comes back after a few days	View
	2001 Oldsmobile Intrigue GX 3.5L engine cooling system VIN: 1G3WH52H31 Engine over heats when driving slow or sitting and idleing. also the heater quits heating when sitting and idleing the raditor fans are working. replaced the water pump and used vacuum to fill cooling system so i do not think there is air in system als put air...	View
	1994 Pontiac Firebird Formula 5.7L Srs VIN: 2G2FV22P6R Have a 94 firebird with airbag light on reads code b1062.need more info on the code as i have no manual.	View
	2004 Pontiac Grand Am SE1 3.4L Svs Light, Air Bag VIN: 1G2NF52E54 I am asking for any help or guidance on this car. The air bag light came on with a code of b1001. Nothing has been changed prior to it coming on. A clockspring was installed recently. I am aware of a module under the passenger seat that is told to communicate ...	View
	2004 Pontiac Grand Am SE1 3.4L Poor Idle Quality VIN: 1G2NF52EX4 Customer complaint car idles very high sometimes, has a new OEM EGR valve installed by another shop. We cleaned the throttle plates and checked for binding, checked for wiring loom isues and scanned it out. Everything seemed normal so we told her to bring it b...	View

Fixes & Summaries for GM

	Fix/Summary	Answers
	2004 Cadillac SRX 3.6L MIL Lamp on VIN: 1GYDE63704 Well unfortunately the customer came and got the car without any further diagnosis or repairs. A few said to check the actuators (phasers), this would have been our next step had the car been left. We had another 2004 SRX 3.7 liter in the shop for an oil cha... Trouble codes: P0008 (Engine Position Systen Performance Bank 1), P0016 (Intake Camshaft Position Correlation Bank 1), P0017 (Exhaust Camshaft Position Correlation Bank 1).	7
	2002 Chevrolet Silverado 2500 HD 6.6L Poor Idle Quality VIN: 1GCHC231X2 thanks to everyone who took time to help me out. You're right I had a code 89 not 87. I reviewed everything I did and narrowed it down to the injection pump fuel regulator. I had and open in the electrical system that I didn't have before. I took the regulator... Trouble codes: P0087.	8
	2004 GMC Yukon XL 1500 Denali 6.0L Pressures VIN: 1GKFK66U14 Thanks for the help everyone. The answer to this problem was a number of small ones. Recalibrating the control head helped, closing the hood with the guages on the outside helped (helped air flow), understanding that the leak in the bottom of the evaporator ...	11
	2001 Saturn SL1 1.9L first and reverse VIN: 1G8ZH52851 Tightened input shaft nut seems to be good now. Will probably end up replacing the nut with a new one.	11

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