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Prev Professional Automotive Repair Technical Discussions for July 15, 2007
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1998 Buick Park Avenue 3.8L air flow direction VIN: 1G4CW52K3W
I have a problem with this Buick with air flow at a constant out of the defroster vents. Everything I have seen through IATN is that this part of the system is operated by vacuum. I have spent a long time looking for vacuum lines near the battery and have foun...
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1996 Cadillac DeVille 4.6L Cuts out, Stall VIN: 1G6KD52Y2T
the caddy came in the shop with a stalling and cuts off complaint it would read "service fuel system"on info center in car each time it stalled and would take about 30 min before it would start or it would blow out the fuel pump fuse. i checked the fuel pressu...
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1987 Chevrolet Camaro Z28 Iroc-Z 5.7L rear hatch latch VIN: 1G1FP87FXG
hey Gm techs,HELP!!! I have a 1987 IROC z with an electic rear hatch that unlocks,motorizes the latch assembly upward, then gets stuck. I did notice the hatch pistons are weak,and it may be putting too big of a load on the latch. I have to use the key to open ...
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1999 Chevrolet K1500 Suburban 5.7L rear ac VIN: 1JG1231231
Hi to all, first sorry for the vin I am posting this from home. Second not sure this is right place for this request but here goes. Cust brought car in saying ac blowing warm. I charged system and added dye. The leak is in rear ac lines in front of rr wheel. I...
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2004 Chevrolet Express 3500 6.0L Misfire, MIL Lamp on VIN: 1GBHG31U44
hey guys. i am thinking i have a valve prob here? has any one run in to carbon build up on valve stems that keep them from closing? i have 130 lb on a crank comp test , and on a run test 0 lb with an ocational bounce in press. to 50 lb. when i rev it it will b... Trouble codes: P0307, P0300
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1986 Pontiac Firebird 2.8L fuel pump VIN: 1G2FS87S4G
I have 1986 firebird that has no voltage at fuel pump. I cannot find the fuel pump relay, prime connector, and wiring diagram shows a fuel pump switch w/ 2 wires going to it a hot at all times orange wire and coming out is a tan/white wire, not sure where it i...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Astro LS 4.3L Misfire, MIL Lamp on VIN: 1GNDM19X82
Finally found this one.The engine was a remanfactured one from advance auto parts. after pulling the valve cover off again just to check those things over I decided to pull the rocker arms off. Upon inspection found where the bolt goes through the rocker that ... Trouble codes: P0300.
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2002 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NE52F32
not sure if this one is fixed yet . replaced wire to fuel pump with no change in status, replaced fuel pumprelay with no change . tried letting car heatup insun without pcm in ,plugged in pcm still no start when hot ,tried heating up car without bcm,still no c... Trouble codes: U1000.
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