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Prev Professional Automotive Repair Technical Discussions for July 23, 2004
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Open Help Requests for GM
Help Request Answers
1988 Cadillac DeVille 4.5L climate controler VIN: 1G6CD515XJ
hi, im looking for some info on this cad,the service air condition light is on and I cant keep it on auto it always goes to econ. the AC light will go off after a minute and as soon as I touch any controler button the AC light will come back on. all the button...
1989 Cadillac DeVille 4.5L Refrigerant Line/Hose set VIN: 1G6CP5335L
This vehicle was brought into our shop with the A/C line set broken off. The breakeage was on the high side aluminium line at the aluminium manifold that conects the line set to the A/C compresor. 8 months after replacing the line set the vehicle returned with...
1997 Cadillac Catera 3.0L Misfire VIN: W06VR54R1V
heys guys doing all the work myself trying to save time and money...hope cadi tecks can help or anyone with cadi exp... car has misfire interm.. and i cant see any misfiresoccurs intermittly..plugs wires look ok but i suspect coil pack.. any one come across th... Trouble codes: P0300 (misfire detected), P0306 (cyl 6), P1113 (intake switchover ckt problem...what is this code for)
1997 Cadillac Catera 3.0L Engine Cooling System VIN: W06VR52R1V
Have replaced head gaskets and intake gaskets. Pressure tested oil cooler and radiator. No leaks found. Still getting engine oil in the water. There is never water in the oil but always oil in the water. Has anyone else seen this problem?
1984 Chevrolet Camaro Berlinetta 5.0L Poor Idle Quality VIN: 1G1AP87611
The problem is the idle quality is poor. It only has 8-10 in. vac. at idle-700 rpm. If reved up to 1500 it will raise to about 12. What do you think could cause the poor vac. The cam is for an HO but it isn't that big. The vac. is also steady. No major vacume ...
1998 Chevrolet K1500 Cheyenne 5.7L pedal fades VIN: 1GCEK19R8W
The customer is complaining that the brake pedal sinks to the floor when at a stop sign. Another tech had replaced the master cylinder about a month ago to try and solve this problem. I drove the truck and the pedal felt spongy to me so I bleed the brakes. But...
1998 Chevrolet Cavalier 2.2L ecm & ecbm VIN: 3G1JC5243W
Used Car from dealer, came in with ABS & Brake Light on. Upon examination ABS Module was unplugged. Plugged Module in & Car went into theft mode,(starts & dies). No codes from PCM untill module plugged in. It then set codes 1601 & 1629 Theft system engaged & P...
1995 GMC g10 .0L chack ball locations for 1995 4L60e
I NEED check ball locations for a 1995 4L60e.please!!!reply to: Joe [...]
2001 Oldsmobile Silhouette Premiere 3.4L airbag light on VIN: 1GHDX23E81
I retrieved code B0065 -left front seat belt pretensionor deployment loop circuit problem. I removed drivers seat inner side cover and pretensioner looks ok. If it deployed will I see evidense of gas charge release? I also checked connector under seat, pins lo...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick LeSabre Limited 3.8L tcc VIN: 1G4HR52K2V
The problem was what most of you said. The bore was worn on the tcc reg. valve, so with the repair kit installed it's back to normal. Thanks to everyone that helped.
1990 Cadillac Eldorado 4.5L Poor Idle Quality VIN: 1G6EL1333L
it turned out to have two shorted injectors and a blown fuse it was very hard for me to believe that it was running on 4 cylinders but it was a learning thing here thanks to everyone that helped me thru this
1987 Chevrolet R10 Custom Deluxe 5.0L Poor Idle Quality, Cuts out, Stall VIN: 1GCDR14H2H
special thanks to stan [...] and the others who replied.the help was greatly appreciated.following stans advice and checked ac voltage coming out of pickup coil. the coil voltage was .268 volts ac.replaced the dist. shaft and the voltage increased to 1 volt ac...
1993 Chevrolet P30 7.4L Fuel gage VIN: 1GBJP37N1P
Most everybody said a ground or splice issue. Thanks for everyones response, however, what I found was at the instrument cluster. There was a connector on the back of the cluster on the oil pressure gage power circuit that was crossed over to the ground circui...
1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L power steering VIN: 2G1FP22PXP
as stated in the update, the problem was a restricted return line.
1996 Chevrolet Astro 4.3L Hesitation, Stall VIN: 1GNEL19WXT
thanx everyone for all the great replies. the problem turned out to be bad fuel, i believe it had deisel in it but not enough to smell or see it. new fuel and runs good.
1999 Chevrolet C1500 LS 5.7L abs VIN: 2GTEC19T6X
Well everyone the majority of you said ebcm failure. The customer does not wont to repair untill it gets worse. Thank all help, thank you very much and have a good week end.
2000 Chevrolet Suburban 2500 LT 6.0L compressor VIN: 3GNGK26U8Y
I had 14 replies, thanks to all of you and thanks for the research you did for me. We ended up replacing the compressor ( I don't know why it failed, it looked original, it had dark paint overspray on it. There was plenty of oil in the system. The suction pipe...
1997 Oldsmobile Regency 3.8L Surge VIN: 1G3HC52K0V
Well the verdict is in. The problem was in the transmission. The torque converter has issues with the clutch. I have the snapshots saved on TIS 2000 if anyone would like to see them. Thank you all for your time.
1998 Pontiac Grand Prix SE 3.8L blower and compressor and drl
The ignition switch did fix this problem.Originally I did not think the switch was a fault because only one of the 3 fuses this circuit fed went dead but I was checking the fuses with a Power Probe which will light up red on a circuit with far fewer than 12 vo...
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