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Prev Professional Automotive Repair Technical Discussions for December 8, 2007
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Open Help Requests for GM
Help Request Answers
2003 Cadillac CTS 3.2L Cabin heating VIN: 1G6DM57N93
2 weeks ago I changed her oil and she returned this week with "smoke pouring through her vents" and a burning odor and a loss of heat. The P0128 Coolant Temp Below Thermostat Regulating Temperature code is back at first freeze this year after going through las...
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1999 Chevrolet Express 3500 5.7L Hesitation, Cuts out, Misfire, Poor Fuel Economy, lack of power VIN: 126FGRFRYX
vehilce is a 99 g3500 box van 5.7l. it starts and runs and actually idles pretty good, but when trying to accelerate under any condition, whether in gear or not, it stumbles and falls flat on its face. if you feather the throttle you can get it to rev up but i...
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1992 Pontiac Grand Am SE 3.3L block heater VIN: 1G2NE51N9N
so basically this vehicle is blowing block heaters. first one was put in approx a year ago by another shop and i replaced with brand new. a day later the customer was back and the block heater was inop again. i removed it and bench tested, sure enough it was o...
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1996 Pontiac Grand Am GT 3.1L ignition switch VIN: 1G2NW52M9T
Thanks in advance to anyone who reads this. I have this Grand Am with a floor shift. The ignition switch works fine when starting. When you shut the car off you can't turn the key all the way off. There is a little button that you can hit with your finger in t...
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Fixes & Summaries for GM
Fix/Summary Answers
1991 Chevrolet V3500 Cheyenne 6.2L ball joint VIN: 1GCHV33N3N
Thanks guys for your time.I replaced the ball/king pin sleeve this afternoon.I have never seen a ball/king pin replaced so easy in the 33 years I have been in this trade.I removed the wheel,4 bolts from the cover and removed the cover and heavy spring that is ...
3
1998 Chevrolet K3500 Cheyenne 5.7L rear brakes VIN: 1GB5K3R5WF
Thank you everyone for your replies they all were very helpfull. Thank you Todd, Marco, and Joe for suggesting taking another look at the parking brake. The parking brake cables were to tight which was causing the brakes to adjust as they drove the vehicle. ...
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2003 Chevrolet Impala LS 3.8L Hesitation, lack of power VIN: 2G1WH52K13
Thank you everybody for your input. I disconnected the exhaust at the manifold and the vehicle ran great. We put a cat on it and shipped it . Trouble codes: P0401 (egr), P0300 (random miss).
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2004 Chevrolet Silverado 2500 HD 6.6L power loss over 2000 VIN: 1GCHK23164
thanks for the input. WE had or did check all of the different suggestions. After about 4 hours of diagnostic time the customer realized that the manufacturer has an extended warranty for the 5 years on these motors (or so he says) anyway, he wsa more than h...
6
1996 GMC Yukon SLE 5.7L No Start VIN: 1GKEK13R7T
Sure didn't see this one coming... The truck has NO security light and the wiring schematic doesn't show one so we took that off the table. And in our experience a G.M. security system stops ALL the injectors so we weren't thinking that way. We really poste...
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1997 GMC Yukon SLE 5.7L Coil VIN: 1GKEK13R9V
Well i didnt find anything wrong with the wiring down to the Crank sensor.So i went to autozone and bought another crank sensor put it on and guess what well crossed my fingures and toes and prayed and it started right up...Boy Oreillys auto parts is going to ...
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1999 GMC K1500 Suburban SLE 5.7L Transfer Case VIN: 1GKFK16R5X
Thanks to all 15 of you that offered your help. All pointed to the slip yoke or u-joint issue. I neglected to say I had lubed the yoke and checked the rear u-joints previously and I apologize for that. Today I spent my Sat am. replacing all 4 u-joints and the ...
15
2003 GMC Sierra 3500 SLE 6.6L long crank VIN: 1GTJK33113
HEY GUYS , THE WARNING ON THE INJECTORS HAS HIT THE NAIL ON THE HEAD. USING THE MODIS 7.0 SOFTWARE I WAS NOT ABLE TO TAKE THE FRP TO 160 THE SOFTWARE WILL ONLY ALLOW YOU TO GO TO 100. I CONTACTED SNAPON ABOUT THE ISSUE AND THEY STATED THAT THE NEW 7.4 SOFTWAR...
4
2007 GMC Sierra 3500 HD WT 6.6L MIL Lamp on, lack power VIN: 1GTHK33677
this is a big gm problem up here in our area gm winter front helps prolong the problem but still no fix the dodges are the same issue too
4
1996 Oldsmobile Cutlass Supreme 3.1L Stall VIN: 1G3WH12M7T
Thanks for all the info. it was the theft system shuting the engine off. I had to replace the ecm to fix the problem. being an engine swap and alot of wiring changes the systems in the two car are different. so I got an ecm that was more compatable with the ol...
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