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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 26, 2007
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Open Help Requests for GM
Help Request Answers
1997 Buick LeSabre Custom 3.8L engine VIN: 1G4HP52KXV
Hi all, I have this Le Sabre and it has coolant in cylinders number 3 and 5. Enough after sitting overnight that it won't crank over. I removed the intake and the front cylinder head and found no problems with the gaskets. It seams like I have read of this bef...
1999 Cadillac DeVille 4.6L abs/traction VIN: 1G6KD54Y8X
The abs/traction control on this vehicle has kicked in while the vehicle is at a full stop. The pedal started vibrating and the vehicle moved forward. The abs and traction control lights came on, as well as the message center reading "service stability program...
2003 Cadillac DeVille 4.6L Battery VIN: 1G6KD54Y23
I have had this vehicle for 2 weeks. Battery goes dead every night if left connected. Car belongs to a used car lot. Bought at auction, so anything is possibe. They installed 2 new Batteries so I can eliminate that as a problem. I love these because my Snap-on...
1972 Chevrolet chevelle 350CID blower motor VIN: 1D37F2B512
hi guys, i have a 72 chevelle here . i have no high blow from the motor!i know that the mid seventies had an issue with th e the red wire from the engine harness !unfortunealy this vehicle is different. i have no info , or wiring diag!! any help would be great...
1986 Chevrolet El Camino Conquista 5.0L Poor Idle Quality VIN: 3GCCW80H8G
this vehicle is a very clean 86 el camino, 5.0l. the customer states that the engine has 30k miles on it since rebuild. the engine idle is quite rough. any rpm above idle and while driving it runs fine. it is running very lean, but richening the carb doesn't h...
1991 Chevrolet C60 Sch Bus 366CID Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GBJ6P1P4M
Engine has bad hesitation with acceleration, bogs down and will sometimes stall. Tested ignition system and coil output, all OK. Tested fuel pressure and flow, 14 to 16 lbs engine running, 12 ounces in 30 seconds. Tested fuel pressure after fuel filter and als... Trouble codes: 44 (O2 Sensor Lean Condition)
1995 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W4S
this is my first ask for help so please bare with me thanks.the car feels as though it is dropping a cylinder or has a large vacuum leak checked all visible vacuum lines appear tight and not leaking car runs strong right off idle thus feel compression and or c... Trouble codes: P0441, P0122
1996 Chevrolet C1500 5.7L valve train VIN: 1GCEC14R0T
I have a 96 vortec stroker motor with what sounds like a lifter/rocker tick,more cold then warm but still thear.we pulled this motor,had it rebuilt and still ticks over cyl 3/5.pulled it again and machinest switched blocks and rebuilt it checked heads no coil ...
2000 Chevrolet Venture 3.4L Dash,ABS,SRS,ATD, VIN: 1GNCX03E3Y
Thank you in advance for any insight into this one. Customer complaint is that while driving the fuel and temp guages will go to the bottom and the dash warning lights for ABS, SRS, Traction Control and check engine all come on as well as chime module. Codes a...
2001 Chevrolet Astro 4.3L transfer case VIN: 1GCDL19W61
We have an all wheel drive Astro that works fine going forward but in reverse the front wheels do not drive. Wondered if anyone has seen this problem.There are no trouble codes.
2001 Chevrolet Silverado 2500 HD 6.0L No Start VIN: 1GCGC24U1Y
put in fuel press. reg still same problem, does it mostly all the time, turns over about 5-6 times before she fires.
2002 Chevrolet Cavalier 2.2L dash lights VIN: 1G1JC52432
good morning GM brainiacs! this cavalier is stumping me. the dash lights (7 little bulbs that light the way) will not come on with lights on. i have power to fuse and no power to dimmer switch. this has an aftermarket radio in it. the chime does not work eithe...
2007 Chevrolet Tahoe LTZ 5.3L Misfire VIN: 1GNFK13037
The tahoe came in with a SES light on.. P0300.. It seems to miss the most on cylinder 8 at about 1500 to 1600RPM.(about 53mph) Mostly at cruise speed, or on a slight decell. I've checked plugs, wires, coils, fuel injectors ect. I switched these components from... Trouble codes: P0300
1988 GMC C2500 Sierra 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1012101020
hi people this truck came in for running bad and check engine light has code 45 rich exhaust.it poors out black smoke off idle if i roll on the gas it runs bad and blows the black smoke and buck and will not run over 2500 rpm but if i snap the gas to the floor... Trouble codes: 45 (rich exhaust)
1996 GMC K2500 Suburban SLE 5.7L convertor VIN: 1GKGK26R7T
Hello, this GMC tc clutch slips in and out of lock up both in OD and man.3rd at part throttle only, really fast lock ups feels like a miss-fire/consistant shudder monitoring missfires NONE monitor tcc solenoid says ON but can see tcc slipage go from 0 to 60rpm...
1996 Oldsmobile Cutlass Ciera 3.1L valve train VIN: 1996OLDSMO
The valve train is quite noisy while running the engine after replacing the cylinder head gasket's.I believe Mitchell 5 say's the intake valve pushrod's are definitely shorter than the exhaust pushrod's.The engine is running smooth but the valve train's clacky...
2001 Oldsmobile Aurora 3.5L customer said harsh shift VIN: 1G3GR64H51
Car came in 1 year ago with p1811 put in new delco pressure control solonoid and shift solonoid flushed trans new filter Customer said worked great came back 1 year(within 1 week)later said was doing GROWL and hard shift again had P1811 again drove scanned all...
1999 Pontiac Bonneville SE 3.8L fuel pump VIN: 1G2HX52K4X
1999 pontiac bonneville towed in has spark injector pulse replaced fuel pump still no start after talking to the customer they said they parked it came back and it would not start.fuses all good funny thing is that power windows do not work either this happene...
2001 Pontiac Sunfire SE 2.4L cruise VIN: 3G2JB52T51
checked all powers and grounds and all from switch and brake switchs all good.Tryed new CC mod still nothing.All connections very good condition.
1997 Saturn SL2 1.9L starter VIN: 1G8ZK5270V
This car came to me on hook, with no start no click. If you turn key on and jump to purple wire in harness at starter car will start and run, but if you shut it off it will not start or click. I checked the yellow wire at the ignition switch at it is getting p...
1999 Saturn SL2 1.9L Poor Idle Quality VIN: 1G8ZK5273X
Thank you in advance. This vehicle has been in the shop for a week. Vehicle came in for surge when driving. Drove vehicle many times found no surge, however, found after long drive you come to a stop or go to park vehicle the idle gets up to 2500-3000 rpms and...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Regal LS 3.8L 1-2 shift VIN: 2G4WB52K7X
Hi guys and gals, This one is fixed. Thanks for the replies,very Helpful. Steve [...], I have not been able to find Kolene steels for 4t65e,however on the pressure where to top side had a stamped 2 digit letter,on the opposite side riding n...
1999 Chevrolet C3500 7.4L hard start VIN: 1GBKC34J0X
once again you people out there and came through with the correct infromation. thanks to all who guided me on this one as I found 2 leaking injectors on the left bank so yhe entire set was replaced... thanks again!!!
2001 Chevrolet Blazer Xtreme 4.3L MIL Lamp on VIN: 1GNCS18WX1
well i found the problem , after checking wiring from front to rear of truck .i found a wiring connector at left top of transmission that goes to the fuel tank pressure swith that was broken and all of the wires were pulled out of. i guess when the engine was ... Trouble codes: P0449, P0452.
2002 Chevrolet Malibu 3.1L Battery light VIN: 1G1ND52J72
The problem seems to have corrected itself so we are having the customer note when, where and what cercumstances arise when this happens to help us identify the condition related to it's failure.
1994 Pontiac Sunbird LE 2.0L No Start VIN: 1G2JB5H8R7
hey all. sorry for the sloppy help request. i was going on 14 hrs work day and was burnt out. lol. but it was the t belt, it had jumped time. it cranked ok and sounded fine like good, even compression. but it was blowing comp back up the intake, when i took th...
2001 Saturn L200 2.2L Chimes, shift interlock VIN: 1G8JU52F31
Most of the people that replied were dead on. The BCM was the problem on this Saturn. That was the direction we were leaning, but we wanted some reassurance from others before committing to a pricey BCM. We checked into a salvage BCM, but the customer opted...
2001 Saturn LW200 2.2L hard starting VIN: 1G8JU82F51
we were unable to test this system for fault codes with our snap on scanner.so we inspected wiring and circuits for faults,no faults were found so after searching the archives for this problem we decided to replace the ignition lock cylinder and housing.a frie...
2004 Saturn Ion-1 2.2L reverse lights VIN: 1G8AF52FX4
Thanks for the replies.Ordered a new switch but must be backordered.I tested switch on the bench and didnt ck continuity to ground.Thanks again.
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