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Professional Automotive Repair Technical Discussions for October 7, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Cadillac Escalade 5.7L carpet VIN: 1GEYEKK63R this is my vehicle i noticed that the drivers floor is always wet checked the a/c vents and drain no water from them. looked up into the fire wall to see if i can see water marks, nothing . i,m getting ready to lift the carpet but i wanted to try you guys firs... |
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| 1989 Chevrolet Camaro Iroc-Z 5.7L hard start VIN: 1G1FP2187K Thanks to all in advance...This camaro after the first initial start up in the am it will start right up most the time (inital) but if shut off after initial start up will crank and crank before firing up. After warm up and driving it will start back up fine. ... |
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| 1994 Chevrolet Blazer 6.5L neutral,reverse VIN: 1GNEK18S4R Hi everyone, This is my first post. We have in the shop this 94 Chevy Blazer 6.5 turbo-diesel (4l80E) with no neutral and no reverse. Neutral is forward gear and Reverse just revs up. Logic would tell me that forward clutch is not releasing, but I admit my li... |
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| 1996 Chevrolet Monte Carlo Z34 3.4L instument cluster and radio VIN: 2G1WX12X7T We have this 96 monte that came in with the insturment lighting inop and also when you turn on the switch the radio light goes out also. If i manually power up the raido circuit it operates correctly but still no instrument cluster lighting. HELP! i am about r... |
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| 1997 Chevrolet Blazer 4.3L headlights VIN: 1GNCT18W1V when driving at night the headlights abd taillights go off while driving, and the daytime running lights come on like the headlighst were just truned off, turn the headlite switch off, and in 10 minutes all o.k. again. posting for a friend who's a member but h... |
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| 2004 Chevrolet Silverado 1500 5.3L no communication VIN: 2GCEK19T64 The ABS and Brake light are on and the "gong" sound keeps going on, and my scanner won't light up when I plug into the obd connector. There is no power to the connector at any time. I have checked all of the fuses. Why dont I have any electrons at this connect... |
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| 2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, low power VIN: 1GTHK23215 Intermittently CEL comes on and engine looses power. Happened only once since we had it and we cannot duplicate it while in the shop. We think it’s related to TSB 05-06-04-047B but are not sure. We tested the wiring from the control module to the injector and ... Trouble codes: P0207 (Cylinder 7 injector circuit problem), P2146 (Inj Pos Voltage control Circuit Group 1) |
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| 1996 Hummer H1 6.5L Speedometer VIN: 137ZA8336T Calling all Hummer guru's! This one has no Speedo, no VSS on scan data. I finally got the right diagrams and went through the daig. The VSS works great, good sine wave at the buffer, there are two wires that should have square waves on them at the buffer. Brow... |
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| 1991 Oldsmobile Cutlass Supreme 3.1L Poor Idle Quality, Surge VIN: 1G3WT34T4M vehicle came in owner complaint hesiation, got in shop and found vehicle had high idle 1550, checked and found no code intially, but sat and watch and found eng lamp would come on and go off. after testing iac and fuel pressure looked for vaccum leak and found... Trouble codes: 35 (iac problem intermitent), 33 (map) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Cadillac Fleetwood 4.5L engine finally decided to replace the head gaskets. customer declined repair. thanks to all who responded to this request. |
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| 1994 Chevrolet K1500 5.7L Excessive Emissions VIN: 2GCEK19K1R I don't really consider this fixed, even though it now runs clean and will pass an emissions test. We subbed it out to another shop that is emission certified (we are not and don't have an analyser, the numbers i provided were from the state test report). They... |
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| 1999 GMC Jimmy SL 4.3L Stall VIN: 1GKDT13WBX finally got the darned thing to stall on a steady basis. reinstalled fuel pressure gauge. when it dies out, fuel pressure dropped like a rock from 63psi, down to 44 psi. it acted as if the pump just quit pumping except the pump never shut off even after the en... |
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| 1999 GMC K1500 Sierra SLE 5.7L Peddle travel VIN: 1GTEK19R5X Thanx to the 17 people that took the time to help with this problem - Alot of good idieas - heres what we did to fix it: We double checked everything first again Tried replacing power booster - didn't change anything - reinstalled old one Pads were from Napa, ... |
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| 2000 Pontiac Grand Am SE 3.4L wheel bearing? VIN: 1G2NF52E8Y Hello ,All; My Grand Am customer has had her car back in use for at least ten days and seems very pleased with the lack of snapping/popping noise I mentioned in my help request.I wanted to wait this long to assure myself that the lack of noises wasn't just due... |
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| 2001 Pontiac Grand Am SE 2.4L Poor Idle Quality VIN: 1G2NF52T11 What I thought it was at first was an ECM, which I ordered one. Found out that it needed to be programmed, so I had the old one out, and put it back in. Plugged everything in and everything is fine now. What I believe is the ECM wire connectors must have had a... Trouble codes: N/A. |
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