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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 2, 2005
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1995 Buick Regal Gran Sport 3.8L Upper Intake VIN: 2G4WF52L4S
O.k. folks here is a good one to for you to tell your grand kids about. A friend of mine had a timing chain installed by Firestone at 70,000 miles (?). Ever since then they said the car wasn't running right. It had a problem with it leaking anti-freeze at a id...
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1991 Chevrolet Lumina 3.1L speedometer VIN: 2G1WL54T6M
speedometer doesn't work, checked connections and wiring nothing found. replaced speed sensor on tran. no codes. Eddie
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1997 Chevrolet K1500 Cheyenne 5.7L long crank VIN: 2GCEK19RXV
customer complaint of long crank, test fuel pressure and volume both failed along with fuel pressure bleeds off instantly after shut off. In stalled movac at fuel filter to isolate bleed back problem in pump or regulater. problem seems to be at pump side. repl...
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1998 Chevrolet S10 LS 4.3L pressure plate VIN: 1GCCS19X1W
The truck was brought in because the slave cylinder was leaking. The owner bought a clutch kit and slave cylinder from Advance Auto parts. This easy job turned into a nightmare real quick. The clutch will release okay but the pedal is hard to push down.It sort...
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1999 Chevrolet Tahoe 5.7L evaporator
Hi all and thanks for your time. This truck has water leaking from the heater/ ac box, leaking on pass. side floor. I looked for a hour for the drain ,also checked Alldata(some data) and can't find it.Could it be behind R.S. inner fender? Thanks for your respo...
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2000 Chevrolet Blazer LS 4.3L temperature VIN: 1GNDT13W4Y
Dear Sirs ON the above vehicle there is a strange problem occuring. The vehicle has an automatic electronic climate control system. all the doors are working, the a/c is working, and everything appears to be switching from the console. However there is not, at...
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2002 Chevrolet Express 2500 5.7L Misfire, MIL Lamp on VIN: 1GCFG25R92
HELP, I HAVE A 2002 CHEV. VAN WITH A HOT ENGINE PING ,ONLY UNDER A MED. TO HEAVY LOAD.THE FUEL PUMP WAS REPLACED ALONG WITH A FUEL FILTER.I ALSO PERFORMED A MOTOR-VAC.WHEN THE PINGING BEGINS THE FUEL PRESSURE DOES NOT DROP IN-FACT IT INCREASES A LITTLE DUE TO... Trouble codes: P0300
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1993 Oldsmobile Cutlass Supreme S 3.1L plug wires VIN: 1G3WH54T3P
well group: I have several books by mitchell that states that #1 is to the fire wall. the same book also says that #1 is to the front. maybe it's a misprint.. Question; where in the tarnation does the plug wires start on which coil pack? going from left to r...
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1999 Oldsmobile 88 Royale 3.8L security system VIN: 1G3HN52K8X
Hi guys! I got this car that came in for a starter problem. replaced the starter and off the car goes. The customer came back and said the security light won't stay off. I might not notcie if it got a problem before I replaced the starter. I follow the steps i...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Skylark Limited 2.4L Stall VIN: 1G4NJ12T5T
Customer has not returned with this car. She wants a guarantee that what ever I do will fix the car so I think she is taking it to the dealer. Steve suggested the PCM, Jeff recomended the instrument cluster. With the lock cylinder having a 'hall effect' sensor... Trouble codes: 11 (VTD Short this ignition cycle), 21 (Loss of PCM serial Data), 12 (Bad R code this ignition cycle).
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1990 Chevrolet Celebrity 3.1L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2G1AW84T7L
customer picked up car, checked vac leaks again iac counts were around 25 so i do not think it was a leak, compression and running compression seemed fine, i belive it had a 2.8 prom according to the dealer, but car was already gone a possible spike, i do no...
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1992 Chevrolet P30 6.2L no overdrive VIN: 1GBKP32J1N
I want to thank those of you that steered me in the right direction. It was actually a pretty easy fix. When the TPS goes out of adjustment the TCM will not show live data on the scan tool. It will just read 0.00 volts and 35%. I put a new TPS in it adjusted a...
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2000 Chevrolet Blazer LS 4.3L differential VIN: 1GNCT18W0Y
Survey says: ABUSE!!! Thanks to everyone for the answers and advice. Danny [...] had the best explanation on what probably happened. He said if both tires are spinning and then one gets a bite, the diff cannot stand the torque difference and explodes. I di...
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1995 Pontiac Bonneville SE 3.8L Hesitation, Cuts out, Stall VIN: 1G2HX52K8S
Thanks for everyone's replies. These cars that act up everywhere but at the shop can get the best of us. In my post, the ignition module had been changed 2 times by car lot with new NAPA parts. Unplugging MAF sensor and driving made no change, so I did not sus...
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1999 Pontiac Sunfire SE 2.2L Lighting
Sorry for the delay, customer returned today because his march sticker ran out. I double checked the ground wires under the battery tray and found a bad connection from the hold down bolt, it looked rusted. Now the high beams work and the symbol stopped blinki...
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