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Prev Professional Automotive Repair Technical Discussions for August 6, 2010
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Open Help Requests for GM
Help Request Answers
2002 Buick Rendezvous CXL 3.4L Low oil pressure VIN: 3G5DB03EX2
Need help please. We are stumped. Oil pressure light comes on when turning at normal speed, at a stop or bump at idle, will go off when engine rpm is brought up to 700 rpm, will stay on at idle until rpm is brought up to 700 rpm, tested oil pressure at idle t...
2000 Cadillac Catera 3.0L engine oiling VIN: W06VR548YR
This Catera came in with a broken timing belt and with an interference motor we sold rebuilt heads and timing belt. When we took it apart we found the drivers side cams both frozen in the motor and the valve cover and Cam sensor melted. After replacing the hea...
2004 Cadillac SRX 4.6L Starting VIN: 1GYED63A64
Hello. We have a intermittent draw on the vehicle. It can sit overnight and starts right up. If you take a 5 minute test drive, come back and shut car off, then go out 10-15 minutes later it just clicks and you have to jump start. The battery tested good and h...
2006 Cadillac SRX 3.6L 1-2 Shift Solenoid VIN: 1GYEE63776
The original customer complaint was that the vehicle would have no power on take off, and the check engine light was on. Scanned the car and found code P0973 1-2 Shift Solenoid Control Circuit Low Voltage. After test drive with tech 2, found that after about 5...
1986 Chevrolet C10 Silverado 5.0L 3rd and 4th gear, REV VIN: 1GCEC14F1G
Hi there and thanks for the help on this one. I have this 86 chevy 2WD truck that I just overhauled the 700R4 in. The tranny is actually out of a 1989 Firebird V8(does have the auxillary valve body). The 86 trans was torpedoed, so we just got a junkyard unit ...
1992 Chevrolet Camaro RS 5.0L Excessive Emissions VIN: 1G1FP23E4N
This is a Frankenstein, I know, but it is my son's car so I am stuck with fixing this. He has failed emissions and so the story starts. The main issue that I have is the IAT signal showing on my Solus rolls. Generally the temp is around 378 then drops at a fa...
1998 Chevrolet K1500 Silverado 5.7L Poor Idle Quality, no power VIN: 2GCEK19R6W
Hello all. The customers main complaint on this vehicle is, rough idle and lack of power. The old engine was burning coolant on startup causing a misfire that engine ran fine and performed well. Based on the high miles customer decided to change the engine. Th...
2002 Chevrolet Silverado 1500 LS 5.3L door locks VIN: 2GCEC19J9T
Vehicle in driveway at home. Alarm went off. Could not be silenced with either remote. Unlocked door with key and turned on ignition to silence alarm. Now neither remote works and neither do the inside doorlock switches. Must be unlocked manually. Out of optio...
2000 Oldsmobile Silhouette GL 3.4L 2-3 Shift Solenoid VIN: 1GHDX03E2Y
This vehicle came into the shop for a Tranny rebuild. The rebuilder test all the solenoids by giveing them power and all solenoids worked. After the rebuild the van lefted and came back with the same codes of why she brought it in. The code that was pulled out...
1998 Pontiac Grand Prix GTP 3.8L abs VIN: 1G2WP5212W
We recently replaced damaged transmission after improper installation. HAve had to repair a lot of damage. Both front speed sensor wire harnesses were missing and cut out. The ABS and traction control lights are on. Replace harnesses scanned for codes. Can not...

Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Hesitation, Surge, Stall, Hard Start VIN: 2GCEC14K2L
Long story short, we did finally get this fixed, found that the pickup in the distributor was failing, thanks for all your help as usual, great site.
2000 Chevrolet Blazer LS 4.3L Ac Pressure VIN: 1GNCT18W4Y
Well first let me say thank you to all who replied. Thank you. Sometimes you cant see the forest through the trees. The radiator was replaced in Dec of 09 at a different shop. That radiator was defective when made. The cooling fins were defective. I could not ...
2002 Chevrolet Corvette 5.7L Unknown VIN: 1G1YY22GX2
Thank you everyone for your help. I got replies back about the crankshaft endplay, which I checked and was ok. The noise sounded like it was coming from the torque tube, so I took it back apart and found bad bearings on the driveshaft like John had suggested. ...
2002 Saturn SC1 1.9L MIL Lamp on VIN: 1G8ZK52722
O.K. this one is fixed,did some more testing.The fuel tank pressure sensor always read 0 volts on the scan tool.While testing the sensor it read 4.98 volts.Just decided to replace sensor,I was hoping something was wrong with scan tool data because it still rea... Trouble codes: P0446 (Evap Vent Solenoid Valve Control System).
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