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Prev Professional Automotive Repair Technical Discussions for March 30, 2005
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Open Help Requests for GM
Help Request Answers
1987 Buick Riviera Luxury 3.8L No Start, Poor Idle Quality, Hesitation VIN: 1G4EZ1133H
Hi all, My first time here and finding some great info. I'm not too great at putting things into typed words, so please bear with me. I have a no start and intermittent no spark on all cylinders. Checked crank and cam sensors as well as injection pulse, all a...
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1996 Buick Skylark Custom 3.1L intake/bottomend VIN: 1G4NJ52M1T
WE have a 1996 buick with the 3.1L The engine had intermix of coolant and oil. We removed the intake and found a failure. Resealed the intake and no leaks. My question is should we be worried about the bottom end. The customer does not know how long the oil wa...
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1991 Cadillac Brougham 5.7L Poor Idle Quality VIN: 1G6DW5478M
rough idle only when ac compressor is engauged. goes away when compressor is disconnected or serp belt is loosened off.
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1997 Cadillac Seville STS 4.6L ac VIN: 1G6KY529XV
driver info center message "very low refrigerant, compressor off". installed guages, 100psi static (car had been sitting and underhood was 120 to 150 degrees) got in car and checked codes. only related code was 1347 (low temp after orfice tube multiple times)....
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1977 Chevrolet Corvette 5.7L Suspension VIN: 1Z3717S406
Help! I am hoping someone can provide guidance. This 1977 Corvette needs a right rear trailing arm. I do not do alot of Vettes (thank God), but I am kind of locked into this one. The bolt through the front bushing of this trailing arm is seized in the bushing....
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1993 Chevrolet K1500 Suburban 5.7L Hesitation VIN: 1GNFK1PJ34
Hello, I've got this Suburban and the cust complained of slight hesitation while taking off from a stop. Test drove it and could feel a slight hesitation on take off. Put scanner on and found no codes. But when you put it in gear and barely tip in on the throt...
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1994 Chevrolet K2500 Cheyenne 5.7L Hesitation, Stall VIN: 1GCGK24K5R
this is an update an old post fire truck came running rough and stalling replaced O2 switching slow checked fuel press and replaced filter within spec, found glitch in tps replaced,complete tune set timing to spec but problem no better.
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1994 Chevrolet S10 Blazer Tahoe 4.3L starter VIN: 1GNDT13WSR
the truck came in for a no start cond found the timing chain to be bad so we replaced it and everything was fine for a few days until the customer came back saying that the starter would sometimes feel if it was kicking back we went back over everything and ch...
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1996 Chevrolet K3500 6.5L No Start VIN: 1GBHK34F7T
I am working on a 96 6.5L turbo diesel no start. I did a fuel pressure test at the injection pump and got 8psi. Compression is around 280psi. There is no air or exhaust restrictions. No DCTís. I disconnected the line to the injector and turned the engine over,...
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1997 Chevrolet Cavalier 2.4L No Start VIN: 1G1JF123TV
Hi.We have exhausted all efforts in trying to fix this car. I have a no spark no injector pluse except sometimes when i bump start key 8-10 times then I will get spark & pluse. When engine does try to start it as if it has a cross fire I have replace ckp senso...
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2000 GMC Sierra 1500 SL 5.3L Air bag VIN: 2GTEC19T8Y
We are trying to replace the ign. switch. Can someone tell me how to release the locks holding the air bag to the steering wheel? I thought it had some tabs like on the 97 model but I can not locate them unless they are located inside the cover. Any help appr...
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2001 GMC Safari SLE 4.3L Excessive Emissions, Surge, Misfire, MIL Lamp on VIN: 1GKDM19WX1
van came in on hook crank no start.plugs were gas fouled veh .never been tuned replaced plugs with ac delco started cleared out idles perfect when accel.to 2000 prm or more all cyls. start to missfire and runs filthy rich let off go back to idle and runs fine ... Trouble codes: P0172, P0175, P0300
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1996 Oldsmobile Achieva SC 2.4L Poor Idle Quality, Surge VIN: 1G3NL12T1T
CAME IN WITH POOR IDLE AND MISSFIRE, FIXED MISSFIRE WITH PLUGS AND BOOTS. STILL HAVE POOR IDLE WHEN RPM COME UP ALL IS OK. WE REPLACED O2 SENSOR, REPLACED IDLE AIR VALVE, FOUND AND REPAIRED SMALL LEAK AT INTAKE GASKET(REPLACED GASKET. REPLACED MAP SENSOR, SLAM...
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1992 Pontiac Grand Am SE 3.3L Cuts out, Stall VIN: 1G2NE51N4N
drove this car approximately 100km before it stalled.i disconnectedthe lock up convertor switch.it restarted right away drove another 10km stalled again.now i cant get it to stall at all it will stumble a little and go back to running good.any help would be gr...
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1994 Pontiac Firebird Formula 5.7L Misfire, Spark Knock VIN: 2G2FV22P3R
Hi Fellow Techs, Got a head scratcher here. Problem started about three weeks ago. Customer states vehicle has a really bad spark knock on moderate/heavy accleration. Merging onto freeway or trying to pass another vehicle- Zero power, lots of pinging.Additiona...
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1996 Pontiac Grand Am SE 3.1L Hesitation VIN: 1G2NE52M2T
A FEW WEEKS AGO THIS VEHICLE CAME IN WITH A ROUGH RUNNING COMPLAINT. IT WAS ACTUALLY A MISFIRE AT IDLE AND AT A STOP. ONCE UP TO SPEED MISFIRE WENT AWAY. CUSTOMER STATED THAT PREVIOUSE INJECTOR FLUSH DONE AT ANOTHER SHOP SEEMED TO HELP, SO I DID ANOTHER INJECT...
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2001 Pontiac Grand Am SE 2.4L Cuts out, Misfire, MIL Lamp on
this vehicle is haunting me ,, fuel pressure is good etc.. while driving along betwwen 60 -- 80 ks all is good if you were to pass a vehicle or put vehicle under load , the vehicle will buck once and be unresponsive ( will not respond to accel input } then wil... Trouble codes: P0336
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1992 Saturn SL2 1.9L Head gasket VIN: 1G8ZK5476N
This is my son's car and I have determined that the cylinder head gasket is blown between the #3 and #4 cylinder but here is the problem, I can't get the cylinder head to come off. My question is, do I have to remove the timing gear cover to remove the cylinde...
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1994 Saturn SL2 1.9L shifting VIN: 1G8ZK5574R
I have a heart breaker here, this man's wife is dyeing of cancer all they have to drive is this car- trying to help. car came in with no reverse, ck. the fluid and it was burnt up, put in a used trans, but did not test for codes prior to replacement, we have r...
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1999 Saturn SC2 1.9L abs VIN: 1G8ZY1274X
hI FINE TECHS: THERE IS A CLICKING NOISE EVERY TIME WE BRAKE AT OVER 18 MPH WHILE DRIVING. WE CANNOT DUPLICATE PROBLEM WITH VEHICLE ON LIFT. i GUESS IT'S BECAUSE REAR WHEELS DON'T SPIN ONLIFT. There are no codes present because ABS light does not turn on. My s...
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Fixes & Summaries for GM
Fix/Summary Answers
1996 Cadillac DeVille 4.6L blower motor VIN: 1G6KD52Y5T
Got 3 replies, one said try hooking the red alarm wire back up [which I already did, but didn`t include in post] another said 'blower motor'...tried a new AC Delco unit. Last said check codes in diagostic mode[ Did that plus also checked with a Tech 2. Was una...
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1995 Chevrolet Cavalier 2.2L No Start VIN: 3G1JC5248S
The customer is driving the car as is.The problem is so intermittent that we are not willing to install a computer until we can verify it is the problem.It definitely was not the ignition switch.The crank sensor code also has not come back but the mil still do... Trouble codes: 19 (crank sensor fault).
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1996 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC1247T
This cars wiring harness under the intake manifold had been messed with. We had the car towed down to our location and diagnosed the problem. Car had several different people and business working on it. The wiring harness had been cut into and wires spliced to...
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1997 Chevrolet K3500 7.4L Hesitation VIN: 1GDJK34J2V
this truck is fixed,we put a/c delco injectors in,now it runs like new,we replaced fuel pressure regulator again truck still only had 50 psi at idle and 55 psi on acell,tried good mass air flow meter,good coil and ignition module,finally just got 8 a/c delco i...
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1997 Chevrolet Monte Carlo LS 3.1L Cuts out, Stall VIN: 2G1WW12M1T
yes as almost all have said it was the crank sensor at the back of the motor. the reason i didn't think this was the problem is because when car died i still had cranking rpm's on my snap on scanner. which lead me to believe that the sensor was working properl...
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1998 Chevrolet K2500 Cheyenne 5.7L Transfer case/prop shaft? VIN: 1GCGK24R6W
Well here's the fix on this one. Remember that the noise happened most when backing up in 4x4 while turning and sometimes when going ahead under similar conditions...this eliminates any tire diameter issues since the front wheels have to travel a considerably ...
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2000 Chevrolet Lumina 3.1L CV.joint/axle VIN: 2G1WL52J1Y
FIXED - I've received many good replys on this. Turns out that the listing is wrong in most parts catalogs, I contacted A1 Cardone directly with the part numbers given to us by a chevy dealer (looked up by VIN) They crossed to the same part number for the righ...
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1999 GMC Sierra 2500 SL 6.0L Stall VIN: 1GT6C24U5X
cleaned the trottle body and replaced the iac and vehicle is fixed. thank you for all the replies.
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1994 Oldsmobile Cutlass Ciera 3.1L in park VIN: 1G3AG55M7R
Well this car is fixed. The park rod was the problem, the end of it where it springs back and forth was broken. The end should have a mushroomed head at the end so the spring tension does not slide the park rod end piece off, the end piece was trying to slide ...
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1994 Oldsmobile Cutlass Ciera 3.1L shifting into park VIN: 1G3AG55M7R
Well this car is fixed. The park rod was the problem, the end of it where it springs back and forth was broken. The end should have a mushroomed head at the end so the spring tension does not slide the park rod end piece off, the end piece was trying to slide ...
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1998 Oldsmobile Bravada 4.3L 4x4 VIN: 1GHDT13W2W
the clutch pack was trying to apply but could not hold. The fluid is full of clutch material. Will have to wait and see if the customer wants to spend that much on a 200,000 mile vehicle
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1995 Pontiac Sunfire SE 2.2L No Start VIN: 1G2J85245S
Hi Guys! Well its running! I dug alittle deeper into the history of this car with the owner, a local bank in town. Come to find out that this vehicle was involved in a flood and was cleaned up inside and out. Water had come up to just below the bottom of the...
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