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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 31, 2004
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Open Help Requests for GM
Help Request Answers
1995 Buick LeSabre Limited 3.8L 1st gear VIN: 1G4HR52L5S
Transmission brought to shop by another shop. Tech said that it won't move in od but it will in 1 or 2, fluid burnt.I tore unit down and found all clutches in good cond. I found the 2-1 band burnt bad. I never seen one of these fail. I looked over the servo, a...
1996 Buick Skylark Custom 3.1L MIL Lamp on VIN: 1G4NJ52M6T
Hello fellow IATN Techs, Got A problem with A EGR I went to the Archives and found lots of help,most of the time we find the answer, But one tech, answered A post on 4/20 2003 his name is Tom from Ohio, Said he had had A similar problem with A skylark code PO4... Trouble codes: P0401
1990 Chevrolet Corsica LTZ 3.1L No Oil to rocker arm VIN: 1G1LZ54T5L
My daughter bought this car from the guy next door .Someone put new head gaskets on it and never did get it to run. Since my daughter thinks I can fix anything for her {for free} I spent a month off & on fixing all the wiring & stuff they had wrong.Now it runs...
1991 Chevrolet Beretta GT 3.1L Poor Fuel Economy VIN: 1G1LW13T8M
Hi, I need some help with this vehicle: After a recent engine swap, the fuel mileage on this Beretta has dropped significantly. The fuel mileage has dropped to 14.6 mpg. The engine was taken from a '92 Cavalier which was getting excellent fuel mileage. I have ...
1995 Chevrolet Camaro 3.8L Poor Idle Quality, Hesitation, Stall VIN: 2G1FP22KOS
Hello everyone, this car drive good most of the time but intermitently when coming to a stop the idle starts to vary from 800 to 2200 rpm when at a stop light your foot better be on that brake pedal realy good because when it decides to surge it tries to take ... Trouble codes: P1635 (5V reference A circuit problem), P0122 (TPS low)
1998 Chevrolet Express 2500 LS 5.7L No Start VIN: 1GCGG25R2W
Hello all and thanks in advance for your time. I have this express van 2500 that has a starting problem. The fuel gauge goes past full and the fuel pump will not run,Within a minute or two of turning the key on the gauge will come down and the engine will star...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Buick Electra Park Avenue Ultra 3.8L electro/hydraulic VIN: 1G4CU54C1L
Thank you everyone for helping me & I have fixed car. The pump on the master cylinder would get 12.5 volts every time the brake pedal was depressed. Holding foot steady would disengage voltage & pressing further would turn pump on again & make pressure. The re...
1995 Chevrolet Blazer 4.3L Poor Idle Quality, Cuts out, Stall
We finaly removed the Intake manifold,found a rats nest of carbon.Cleaned it out,cleaned the port thoroly ,seemed to solve the problem for now.I know what to look for next time,It must clog up ,after so many miles.Thanks to everyone who replied.Al [...]
1996 Chevrolet K1500 Cheyenne 5.0L No Start VIN: 2GCEK19M7T
Thank you all so much for taking the time to read my lengthy post. Here are some of the ppl that took the time to read my post and offer their opinions which i really appriciated 1. Tom [...]- 2. jon [...] 3. Jay [...] 4. Neal [...] 5. AandTServices 6. Do...
1997 Chevrolet K2500 Cheyenne 5.7L Misfire VIN: 1GCGK29RXV
Thanks for all that offered help. First, on the misfire monitor not on, I have learned that the computer would have to be reflashed to turn on the monitor. Second, it seems that just replacing the distributor gear has been a satisfactory repair. Some people di...
2001 Chevrolet Cavalier LS 2.4L Convertor VIN: 1G1JF52TX1
We have decided that original shudder was due to damaged convertor because of antifreeze problem. The shudder after overhaul has been repaired. The supplied convertor was built with wrong material. This vehicle required woven carbon because of E3 design. Seems...
1993 GMC G2500 Rally 5.7L running lean VIN: 2GTEG25KXP
I got the van back last Sat. and started over on it. I re-checked the fuel pressure and it was 12.5 PSI always. the MAP readings were good. I checked the distributor shaft magnets for cracks and found none. The injectors both showed 1.3 ohms rsistance, and the...
1999 Pontiac Grand Prix GTP 3.8L blend door actuators VIN: 1G2WR5213X
It turns out this climate control system does have diagnostic codes. There was a code 05 for the drivers temperature control actuator. I disconnected the actuator which stopped the continuous cycling noise. With the actuator disconnected the system does not co...
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