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Prev Professional Automotive Repair Technical Discussions for July 14, 2006
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Open Help Requests for GM
Help Request Answers
1997 Buick LeSabre Custom 3.8L Poor Idle Quality VIN: 1G4HP52K1V
Hi we had this vehicle come in for blown heads. We recommended a used motor from a junk yard. We installed the motor and found that we had a rough running condition at idle. The used engine has 28,000 miles on it. We had an EGR code so we swaped EGR vavles and...
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2000 Cadillac DeVille 4.6L Right Side Turn Signals VIN: 1G6KD54YXY
This car came in with the blinkers on the right side blinking twice as fast as normal without the parking lights and headlights on. When you turn the headlights on the right side stops blinking altogether with the tailight on the right side stays on bright.The...
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1978 Chevrolet Caprice Classic 5.0L No Start VIN: 1N69L8J125
Ihave a 1978 caprice 5.0 that won't start if it is not started every day . When it sits for two days the carb goes dry and if we spray carb cleaner or pump and crank for a long time it won't start . Once it starts it runs fine until it sits a couple days. Unit...
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1982 Chevrolet Corvette 5.7L Window Regulator VIN: 1G1AY8788C
Hello, techs! Can anyone offer input on swapping out a (power) window regulator on this car (the car is mine, and I have already purchased the new regulator, but...). I have read the procedure in the service manual (and they certainly weren't that good back th...
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1994 Chevrolet Corvette 5.7L Poor Idle Quality, Stall VIN: 1G1YY22F7R
Replaced dist cap, rotor, wires & plugs...when eng stalls, we noticed IAC stuck...Replace IAC with oem. Key on steps @ 160...cranked & idled without stall, then noticed iac steps decreased until getting to ZERO..engine still idles, but will stall intermittentl...
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1994 Chevrolet Camaro 3.4L no start
to all techs i got this camaro from a different shop for a no start condition car has no spark and no pulse found code 82 in history and is hard code i followed the procudure for the code to no avail i even checked every single wire from the icm to ecm power g...
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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...
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1998 Chevrolet Astro 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GNDM19W8W
Customer complained vehicle intermittantly revs up like stuck throttle when actually throttle isn't sticking happen at a idle and cruise. when this happenned check engine light flashing. turned key off then restarted and check engine light steady on but idle i... Trouble codes: P0300
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1992 GMC topkick 6500 366CID fuel deliver tank VIN: 1GBL7H1P4N
ok..i got a good one.. i have a 92 gmc topkick and im not getting any fuel from passanger tank to driver side tank i have good grounds i have changed both sending units and had another topkick in the shop and changed both the relays and modules.. fuses good i ...
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2001 GMC Yukon XL 1500 SLT 5.3L tensioner VIN: 3GKEC16T71
The vehicle came in with a loud chirping or clacking noise when the a/c is on. I pulled the plastic belly pan and watched the tensioner. At a certain rpm (1600 to 1800) the tensioner occillates wildly making a horrible noise. The a/c pressures are normal and i...
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1997 Pontiac Grand Prix SE 3.1L fuse for compressor VIN: 1G2WJ52MXV
Car came in no AC replace compressor fuse and did performance check and gave back to owner. Came back blown fuse, replace fuse and did check. Owner came for car and it would not leave lot w/o blowing fuse. They took it then and brought it back. Intermittantly,...
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Fixes & Summaries for GM
Fix/Summary Answers
1993 Buick LeSabre Custom 3.8L Excessive Emissions VIN: 1G4HP53L4P
many thanks to all who helped ! gave car another motor vac nox went lower but still not enough . after market cat most likley not performing up to par . customer debateing oem cat . thanks again
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1995 Buick Riviera 3.8L Accessories VIN: 1G4GD2216S
We went a bit further on this car and disabled the radio by pulling the radio fuse. This resulted in the AC control head behaving normally, but of course with no remote control from the steering wheel. The Buick uses UART communications between the AC, Radio, ...
5
1999 Buick Regal LS 3.8L Unknown VIN: 2G4WS04K4W
I did not fix this vehicle. I drove it for a week and could not get the vehicle to act up. During this time the customer found a new car she wants and has decided to trade it in. A few of the replies were to check for poor ground to the park lock solenoid, cor...
3
1996 Chevrolet Corsica 2.2L no power VIN: 1G1LD5544T
tHANKS FOR THE REPLIES, I AM NOT SURE WHY I DID NOT THINK OF THIS BUT YES, THE TIMING CHAIN JUMPED A COUPLE TEETH. SO NOW I KNOW THAT'S WHY THEY SAY CHECK THE BASIC MECHANICAL CONDITION ON ANY PERFORMANCE ISSUES, BRAIN FART OF THE DAY! THANKS AGAIN.
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1998 Chevrolet K1500 Cheyenne 5.7L abs VIN: 2GCEK19R8W
Sorry but I have to close this because of the time limit is starting to run out and I am going to be gone for a week.Thanks to all who replied . I did recheck and reclean all of the grounds,recheck all supply powers,tryed a used abs unit. I have spent severa...
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2000 Chevrolet Silverado 1500 5.3L power assist VIN: 1GCEK19T7Y
I made an inline ps pressure tester and at Idle it only had 330psi,but as soon as I brought the engine rpm to about 1200rpm the pressure went up to 980psi.I replaced the pump as many of you had said and it fixed the problem.I appreciate the help as I dont usua...
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2000 Chevrolet Silverado 1500 5.3L no start VIN: 1GCEK19T8Y
Thanks to all who replied John [...] Were right on. Dirty connection at computer terminal 20, 57 C1 allso wire broke at circut 30 repaired and cleaned all terminanl tightened 20 and 57 ran like a top thanks again ...
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2003 Chevrolet Silverado 2500 6.0L No Start, Cuts out, Stall VIN: 1GCHC24U53
After many more hours this vehicle is finnally fixed. After voltage drop testing every ground and hot and double checking i found that the ground wire from the battery to the block had a severe voltage drop. You never think to test the main ground beacuse the ...
3
2000 GMC Jimmy Diamond Edition 4.3L igntion key VIN: 1GKDT13W1Y
i found the electronic solenoid on the igntion switch was stuck but you can only get it with the complete switch assy thanks for the help guys
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1995 Saturn SC2 1.9L odometer VIN: 1G8ZG1275S
thanks to all and the saturn head tech. was not able to find a good used cluster, so i replaced the gears inside the odometer unit. not that bad of a job.works well.
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