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Professional Automotive Repair Technical Discussions for March 24, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Buick LeSabre Custom 3.8L electrical VIN: IG4HP52K53 customer stats no cruise road tested checked fuses have power at pin F cruise module ground on pin E Pin G is where i'm having problems with brake depressed no voltage comes and goes 0-1-6 volts i removed seat to locate splice on white wire from brake switch n... |
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| 1996 Cadillac Seville SLS 4.6L No Start, Battery Draw VIN: 1G6KY5494U No Crank, No Start. Drains the battery dead ( 2 volts ) overnite. Charge the battery ( 2 months old ) turn the key. No instrument cluster, BUT power seats work, power door locks work, power windows work, power tilt wheel works. By accident discovered that my p... |
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| 1986 Chevrolet K5 Blazer Custom 6.2L starter VIN: 1G8ED18J7G Noisy starter like it is not meshing correctly. has new starter & flywheel & have shimmed starter quite a bit. |
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| 1991 Chevrolet Lumina 3.1L Poor Idle Quality, Hesitation, Surge, Stall VIN: 2G1WI54T5M Hello fellow techs and thanks in advance. Mostly Ford only guy here taking a whoopin on this old gm, so please bear with me. Car runs pretty good most of the time, then after warmed up and sometimes short and sometimes long hot soak. it will start and die, sta... |
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| 1994 Chevrolet K3500 6.5L Hesitation, Stall, MIL Lamp on VIN: 1GBGK24F8R vehicle originally came to us with an intermitant no start( cold extended crank) we found that when vehicle was allowed to sit for extended periods of time it would take a long time to start, then start and stall several times before it would actualy start and... Trouble codes: 88 (tdc relearn error) |
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| 1999 Chevrolet Malibu 3.1L No Start, hard to start VIN: 1G1NE52MXX This car will not start unless you press the gas pedal down and then it starts right up we tested spark injector pulse all good fuel pressure 38 psi solid and no fuel found in regulator. no codes in system threw 3 new coils on car and it does the same . cleane... |
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| 2000 Chevrolet C3500 5.7L Surge, MIL Lamp on VIN: 1GBJC34R2Y All GM Techs HELP??? This vehicle came in after one of the engine replacment shops installed a reman engine. In the beginning I found many bolts loose and some missing, codes P0141, P0154, P0161, P0327, P0338, P0341. After many hours of testing, wiring repairs... Trouble codes: P0341 (CMP Sensor Circuit out of Range) |
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| 2001 Chevrolet Suburban 1500 LT 5.3L SRS module VIN: 3GNFK16T21 See related repair history. What i'm left with now is a confusing array of clues that i will try to keep simple. The SRS icon flashes 7X then stays on, always. I can not communicate with it either. After driving for a while today i can see a few patterns with ... |
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| 2002 Chevrolet Cavalier LS 2.2L timing chain VIN: 1G1JH52F42 im trying to check for timing chain out of time. my question is on the silver and copper links. after they are inittially lined up will they come back up in time after turning the engine over. i cant seem to ever get them to line up so trying to check the mech... |
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| 2006 Chevrolet Express 3500 6.0L oil pressure VIN: 1GBJG31U36 Help all GM Techs. Van came in with complaint of low oil pressure gauge going down and check gauges light coming on. Found oil sending unit leaking into plug. Replaced sending unit and cleaned up plug. No change in operation. While everything was still on the ... |
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| 1997 GMC K2500 Sierra SL 5.7L abs module VIN: 1GTGK24R2V truck was toed in due to a fire on the rf corner. dont know what caused fire but wheel bearing was wasted, brake pads were gone, brake hose was melted. due to insurance reasons i only replaced components on the rf corner including hub assembly, loaded caliper,... |
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| 2004 GMC Sierra 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GTEK14T74 I replaced the intake manifold gaskets and the fuel pump. The pump was in spec on pressure but customer chose to replace it as a preventative repair. The intake gaskets were replaced because of suspicsion of a vac. leak and I swear I still hear it on the drive... Trouble codes: P0300 (Misfire) |
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| 1976 Oldsmobile 98 Regency 7.5L Mechanical VIN: 3X37T6M144 We are looking to retrofit this R12 system to R134a and looking for information regarding refrigerant oil,compressor,drier,orifice,etc. compatibility and changes. We do perform retrofits but not on vehicles this old. |
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| 1994 Pontiac Grand Am SE 2.3L No Start VIN: 1G2NE5537R Good day techs, I have been through the archives looking for answers on this one but nothing found is an absolute answer so here it goes... This car was towed in no start. Tried for giggles to start it after it got here and it fired up and quit, fired quit, if... Trouble codes: 19 |
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| 1998 Pontiac Trans Sport 3.4L No start VIN: 1GMDU03E9W I purchased this vehicle along with several others from one of our dealer customers more than 2 years ago. A few days before I picked up the vehicles, vandals broke into their yard and stole all the of the keys. I was able to have new keys cut from the dealer ... |
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| 2003 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J03 Ok GM masterminds. This car is driving us crazy. It was at a local dearler for 2 weeks for same issue and they just kept throwing parts at it per customer. Need some help. The car will have a no start condition intermittenly. Doesn't matter what temp. it is o... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Chevrolet S10 4.3L No Start VIN: Z7K2245604 change the fuel fiter then i got fuel to the trotle body in which the engine started right up on nthe frist try it ran a little rough but i still have to put some fresh gas in the tankand should be good |
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| 1997 Chevrolet P30 7.4L Stall, VIN: 1GBKP37J9U AFTER REPLACEING NEUTRAL SAFETY SWITCH WITH NO CHANGE YESTERDAY WE STARTED INSPECTING INSPECTING WIREING HARNESS. FOUND WIRE HARNESS FOR TRANSMISSION RUBBED THROUGH ON SHIFTB CABLE MOUNTING BRACKET LEFT SIDE OF TRANSMISSION. THANKS TO ALL FOR YOUR TIME. |
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| 2004 Chevrolet Silverado 2500 HD 6.0L No Start, Stall VIN: 1GCHK24U14 Thanks for all the replies, I have to close this without a fix, the time is up. I have given the customer an estimate for a new ECM but have not heard back from him yet, although the truck is still here. I checked the grounds and the power going into the ECM a... |
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| 2005 Chevrolet Avalanche 1500 Z71 5.3L traction control VIN: 3GNEK12T25 the fix for this vehicle was to re@re the front wheel speed sensors,cleaning the mounting surfaces.measured ac volts before and after-big change.before service had 150-200mv,after had over 300mv.the suggestions i had were all valuable-most instructed me to do... |
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| 2005 Chevrolet Silverado 2500 HD 6.0L Temperature control VIN: 1GCHK23U45 Thanks for the replies to this help request. Replies had good information but no fix. However we did figure out that there are four individual ambient temperature sensors utilized by the automatic climate control system on this truck and it only takes one bad ... |
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| 1998 GMC K1500 Sierra SL 5.7L Brakes VIN: 1GTEK19R4W First thanks to all that replied to my sad story. The final result was 3 EBHCU's had to installed to resolve the problem. I am not a fan of used parts and only did so because the customer did not have the money for a new one. However this one is laid to rest. ... |
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| 2007 GMC Yukon Denali 6.2L no crank VIN: 1GKFK63837 thinks for all how responded Had to send to the dealer it took them a week the problem was the ECBM (electonic control brake module) internal short shut down the whole system |
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| 2002 Pontiac Sunfire GT 2.2L Clutch VIN: 3G2JB124X2 Thanks for all 10 great replies. We installed a new master cyl after checking several of the suggestions we recived.We installed a new GM part and bleed several times.We still had air and would not shift,so we left it over night.The next morning the pedal felt... |
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| 2006 Pontiac G6 3.5L possible trans VIN: 1G2ZG55886 IT,S GOOD TO CHECK THE BASICS,BUT I DID'NT.THANKS FOR ALL THE HELP.THE INTAKE MUST HAVE BEEN LEAKING INTERNALY,THAT I HAVE NOT SEEN ON THIS ENGINE YET.THE OIL/AF MIX WAS ABOUT 1 GAL OVER FULL.CUST.WANTS TO BUT NEW ENGINE IN IT,BECAUSE I TOLD HIM IT PROBABLY WO... |
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| 2006 Saturn Vue 3.5L torque converter VIN: 5GZCZ63416 The torque converter on these Saturns (Honda 5 speed) has a technical bulletin out. The bulletin came out recently, right around time we were doing the repair. Just FYI for everyone, the torque converter is and R and R model, and the builder needs to replace t... |
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