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Prev Professional Automotive Repair Technical Discussions for July 17, 2006
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Help Request Answers
1997 Buick Riviera 3.8L Air Distribution VIN: 1G4GD2211V
Owner states A/C is cold on passenger side but not on Drivers. Tested outlet Temp...52 degrees Passenger/76 Drivers. (52 degrees seemed great considering it was 106 in the shop today.) I removed both mix door actuators and manually moved the doors to max cold ...
2001 Buick LeSabre Custom 3.8L blower motor inop VIN: 1G4HP54K11
This is for another tech in the shop. He diaged this as blower controller malfunction. Checked for power and ground at the blower controller both good. He used a Power Probe on the wire from the fan switch, and he said the light flashed faster as the fan switc...
1995 Chevrolet Astro 4.3L speed control VIN: 1GNDM152XR
Hi guys A customer brought this van to me last night with the transmission not shifting. The ABS lite is on and the speedometer isnt working. I plugged my scanner in and it doesnt register any speed. I replaced the speed sensor in the trans and it still doesnt...
1999 Chevrolet K1500 Suburban 5.7L interior VIN: 1GNGK26J1X
Hey guys. My dilemma today is this. Should i be able to feel alot of airflow through the heater vent with heater / a/c control turned off and cruising at 50. It feels like the fan is running there is so much airflow. Goes away when you slow down to a stop. I l...
2001 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19T91
Vehicle originally came in with a check engine light on-Codes for lean bank 1 and 2. Cleared codes and told customer to take it somewhere else because it was a propane conversion. He came back with the propane unit disconnected and the light on again. This tim... Trouble codes: 171 (Bank 1 too lean), 174 (Bank 2 too lean)
2003 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNEK13Z63
I have this tahoe here that has some wierd problems. I will try to explain the best I can. When driving the Abs light comes on, doors unlock then lock without touching the button, a/c blows warm and the cel will flash sometimes. This will happen twice in a hal... Trouble codes: 706 (Trans range switch error), 1300 (low voltage on bus), 1301 (high voltage on bus), C0231
2004 Chevrolet Silverado 3500 6.0L parking brake VIN: 1GBJC34U94
Put new E brake shoes and new rotors on this truck. The parking brake shoes are adjusted properly,but the pedal goes to the floor. The brake holds somewhat, but it isn't what it should be. Alldata says something about pulling a self adjusting lock pin, and the...
1993 Geo Metro 1.0L transmission VIN: 2C1MR6169P
customer complaint was lack of power and acceleration up hills. we confirmed on the road test that there is no kick-down operation.We cleared code ,roadtested and it did not return (previous repair?). We tried adjusting the t.v cable up and down with no differ...
1993 Oldsmobile 98 Regency Elite 3.8L MIL Lamp on VIN: 1G3CW53LXP
This code just resets every time you clear it and I can not find any other problems with the car I was wondering if any body has ever run into something similar. Thanx for any consideration. Repair info on All-Data is not good and Shop-Key is not so real helpf... Trouble codes: 26 (Quad Driver Module Fault)
1997 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13W6V
Vehicle came in June 2006 with a no start. Found 0 fuel pressure but fuel pump was running. Remove fuel pump, found supply line disconected inside pump module(line was glued to top at outlet conection, we thought a possible defect in manifacturing of pump modu...
1999 Pontiac Montana 3.4L load leveler VIN: 1GMDXO3E8X
Customer has been having trouble for a year or so. Usually pumps itself up to the max and.rides very stiff.Ocassionally it goes all the way down,At times it will work perfect for weeks, and then mess up again. He called today and said there was a loud boom, th...
1997 Saturn SC2 1.9L Hard change VIN: 1G8ZH1275V
Hi Guys, We have this '97 Saturn SC2 with 109000 miles. The dealer told her she needed a Tranny flush as the fluid was dark so she brought it to us. We road tested it first and there were no problems, we checked the fluid and it was not that bad. It also sme...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet G20 Chevy Van 5.7L Poor Idle Quality, Stall VIN: 1GBEG25K7K
The fuel was the problem. Some stated that when you unplug the map sensor and it seems to run better. then the computer is telling it to bring more fuel. So I looked in the fuel pump issue. I did not have the correct fittings for the Pressure gauge so I had to...
1997 Chevrolet C1500 5.0L No Start VIN: 1GTEC19M2V
Thanks for All the helpful support from u guys. The Canadian 'Trio' : Brain, Adam and Alek and Dan must have eyes over my shoulder!! We got a Bad fuel pump that won't hold pressure and not giving out enough pressure to open up the nozzle. Robert from India...
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