GM Automotive Technicians Technical Discussion and Fixes for Jan 9, 2013 - iATN (Members Only)

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Open Help Requests for GM

	Help Request	Answers
	1995 Buick Park Avenue 3.8L No Start VIN: 1G4CW52K0S the vehicle is not receiving an injector pulse	View
	2002 Cadillac DeVille 4.6L Automatic level control VIN: 1G6KD54Y92 Vehicle came in with left rear shock locked in up position -found shock broken internally, so replaced and vehicle came [...] down to uninflated level. Cleared C0060 code and came right [...]. Ran diagnostic per Mitchell and replaced RIM module. No change. Tried...	View
	2002 Cadillac Escalade 6.0L Ebctm VIN: 1GYEK63N82 Hello GM gurus Originally this vehicle came for a "service stability system" indication with code P0286 and found that likely a MPA switch. Unable to get switch out without destroying. Replaced EBCTM with a preowned unit and now has code C0285 I can hear what...	View
	1998 Chevrolet S10 LS 2.2L No Start VIN: 1GCCS1944W Greetings techs. I've got this S-10 thorn-in-my-side that belongs to a really good customer that occasionally won't start after a cold soak of about zero degrees [F] or less. Since you never know when it's not going to start it's difficult to pin much down but...	View
	2001 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEK14W71 Hi guys, I have this truck which was towed in from another shop. Customer was complaining of intermittant rough running and non start but it will not start at all now. Engine cranks over but will not catch. Distributer cap, rotor arm, coil and wires all loo...	View
	2005 Chevrolet Cobalt LS 2.2L Low Beams VIN: 1G1AL54F45 Thanks Guys for your help this thing seemed like a no brainer. Low beam fuses both show ground ,when powered up low beams come on. Went to headlamp switch pink with white wire terminal E has power on it disconnected. I am thinking wire must be good going to re...	View
	2006 Chevrolet Silverado 2500 HD LT 6.6L intake air heater VIN: 1GCHK29D56 Truck came in with complaint of lights dimming and ck engine light on found code 540 IAH circuit. Voltage bounces until code resets. Our problem is that mitchell wants the factory scan tool to diagnoise this code. Just woundering what the common problem is, th...	View
	2009 Chevrolet Impala LS 3.5L alt. sorry about the vin. but here goes this is more of a question for self education.car came in monday night customer said would not start in the a.m. (no crank) her husband twisted the cable connections at the batt. said they where a little loose and had some cr...	View
	1993 Geo Metro LSi 1.0L Electronic VIN: JG1MR3366P Car takes off in third gear, manually shifts great. Sometimes it will shift correctly. Have 2 other friends that have Geo's that are doing the same thing.	View
	2005 GMC Sierra 3500 SLT 6.6L Cooling System VIN: 1GTJK39205 So common issue found through the forums. As stated I replaced the Tstats Took it for a test drive and it worked great thought all was good and it dumped fluid on me. So I pressure tested the cap and it would take 30lbs and not release, banged it on the bench...	View

Fixes & Summaries for GM

	Fix/Summary	Answers
	2006 Chevrolet Impala LS 3.5L power steering pump,gear VIN: 2G1WB55K06 First, I would like to say thank you to all that replied to my help request. I inspected steering components for binding and wear, no problems found. Preformed bleed procedure using mityvac as per GM specs, problem still remained. Install new OEM steering gear...	15
	2010 GMC Savana 2500 4.8L sfi VIN: 1GTZGFBA2A thanks fellow tech reflashed pcm for alternator replacement vechile charging at specs thanks for the help fellow techs	18
	1995 Pontiac Grand Am SE 2.3L Excessive Emissions, Misfire VIN: 1G2NE15D9S well after replacing another coil cover and still had miss on 2, decided to do compression test, found compression good, decided after that to ohm spark plugs found that #2 plug shorted to ground internally. I guess thats one on me, never seen it in my 44 yea... Trouble codes: P0302.	17

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