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Professional Automotive Repair Technical Discussions for February 3, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Buick Regal Custom 3.1L No Start, Stall, Misfire VIN: 2G4WB14T8K car will run ok for about a week then it will die and stop sign after towed in will always restart under hard accelation about 4500 rpm will act like car has a rev limiter car has after market coil pack all three |
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| 1992 Buick Regal Custom 3.8L battery VIN: 2G4WB54L8N I have this BUCK REGAL and the problem is the battery keeps going dead over night, it happens twice a month, real intermittent. New battery, alternator output is 14.35V, PARASITIC load .013mA after 30 seconds. With amp meter hooked up I have tried pushing swit... |
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| 2000 Buick LeSabre Limited 3.8L No Start, Cuts out, Stall, Misfire VIN: 1G4HR54K6Y Hello Techs, This vehicle has int. cranks n/s after sitting over night. When trying to start engine, popping back through intake occurs, engine has loud detination/pinging noise and bucks alot. Vehicle has good spark, inj. pulse and compression. When trying... |
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| 2001 Buick Regal LS 3.8L Steering Noise VIN: 2G4WB55K71 Popping sound in steering column when turning left or right at slow speed. It happens also when turning into a elevated driveway. Replaced the steering coupler, problem noise persists. |
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| 1986 Chevrolet K20 Scottsdale 5.7L Hesitation VIN: 1GCEK24MXG Evening Gentlemen, I have this vehicle that is working me pretty hard.I replaced the oe engine with the chevy crate ZZ4 -355 hp Engine with a new carb(850 Q-jet 1910 edelbrock) Camaro exhauxt manifolds off a 93 vintage LT-1 engine and Dual 2 .5 exhaust pipes t... |
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| 1993 Chevrolet Lumina APV 3.1L cooling system VIN: 1GNDU06D5P Hi folks, got a weird one here. The problem is on cold startup. if you jump in the van cold and start driving the temp will start to climb and head right up to overheat status within about 2 or 3 miles. You can watch the temp gauge and the scanner and they bot... |
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| 1993 Chevrolet C2500 Suburban Silverado 7.4L transmitter VIN: 1GNGC26N9P Howdy there, This Sub has the dealer installed security system it is a Delco VSS-300. The transmitter got flaky then quit. The dealer says the transmitters are discontinued. Is there a source for these and how do you program them? Thanky, Thanky, Thanky, Paul |
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| 1995 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W1S Hi Everyone: I have not been doing diveability for sometime and my guy is out of town. So thanks for any help. The check engine light is on and I can not retreive codes. Have tried jump wire with no success scaner locked in employees tool box. Can you blame hi... |
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| 1995 Chevrolet C2500 Suburban 7.4L in the front end as I can't be sure it is in the VIN: 1GNGK26N9S during test drive noise has changes to a growling noise an accel and deccel, for just a moment and then stops. transfercase was removed and disassembled, no problems noted, front axle was disassembled again and rechecked. replaced axle and spider gears an spac... |
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| 1997 Chevrolet Astro 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDM19W0V Have always had the same code,since vehicle first arrived. Previously, on scan tool data stream, misfire counts would show up for all cylinders, all at a varying rate. Now, data stream indicates misfire on cyl.#3, but will not set po301 code. Checked compressi... Trouble codes: P0300 |
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| 1998 Chevrolet K1500 Cheyenne 5.7L Valve lifters VIN: 1GCEK19R3W Greetings all: Got this truck in because of lifter clatter on cold starts it only clatters for about 2-3 seconds on cold start up and then won't make a sound the rest of the day till it sits overnight. When I started on this I noticed that the coolant bottle ... |
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| 2000 Chevrolet Silverado 2500 6.0L no go VIN: 1GCGC24U11 the first problem is we don't have these cars here so don't tell me to take it to a GM dealer as they don't have the software in the tech 2, no parts, no one to ask, all I have to work with is a fleet of simular trucks and snapon scanner with the American catr... |
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| 2001 Chevrolet Silverado 2500 HD 6.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GCHC24601 under accel @3500 rpm & up bad misfire heard through intake, this truck has been heavily loaded (11000#)from the start but recently started this miss,scanner confirms #3 misfiring,will sometimes set random misfire w/#1,5 slight miss count but #3 bad miss count... Trouble codes: 303 (misfire 3), 300 (random misfire) |
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| 2001 Chevrolet Silverado 2500 HD LS 6.0L Oil Leak VIN: 1GCHK23U51 Help, Guess it's my time in the barrel. Truck came in with a large oil leak. Oil appears to be coming from the Oil pan area, it is dripping from a very most rear long pan bolt near the oil filter. Appears to be coming from the oil pan gasket area. Oil cooler l... |
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| 2003 Chevrolet Express 3500 LS 6.0L gauges,drl system VIN: 1GAHG39U83 This van has a problem with the instruments going to 0 or to the key off position against the left side of each gauge when the van is started and the DRL light circuit turns on. They will not start working again even if the headlights are turned on. The radio ... |
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| 1994 Oldsmobile Cutlass Supreme 3.1L Cooling Systems VIN: 1G3WH55MOR Engine oil in over flow bottle no water in oil. I know this has been decussed before but I could not find a fix I suspect the intake gasket but I can't figure how the oil is being put into the radiator with no pressure passages in the head this is clean oil an... |
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| 1992 Saturn SL2 1.9L Surge, Cuts out VIN: 1G8ZK5475N what,s up guy,s i have this saturn here thats got this 82 code it,s been to anothere shop and they change the p.c.m code still there any saturn tech that have ran into this code i can use your help thank you and have a good night Trouble codes: 82 (s.p.i interferance) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1988 Chevrolet K1500 Cheyenne 5.7L rear drive axle VIN: 2GCDK14H5T This thing turned into a nightmare. The only thing that I used out of the axle that was sent to me was the carrier, spider gears, and the ring and pinion. All of the bearings in the unit that I was sent were hammered. Replaced side bearings pinion bearings and... |
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| 1994 Chevrolet Camaro Z28 5.7L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 2G1FP22P3R I did get vfery many replies to this one. turns out the a/c clutch cycling switch would short out at times causing the 5 volt signal to go away. Heater must be removed to replace switch asit is mounted to evaporator. Trouble codes: 22 (throttle position sensor or circuit low), 34 (map sensor or circuit low). |
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| 2001 Chevrolet Silverado 2500 HD 6.6L Poor Fuel Economy VIN: 1GCHK23152 Thanks for all the help. After talking to a lot of GM tecs we found that this is quite common. It seems that the injectors start to leak from the top and this allowes fuel into the valve cover that then drains into the oil pan. Gm fix is to only replace the le... |
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| 2001 Chevrolet Workhorse 6.5L Engine VIN: 5B4KP42Y21 Thank you all for the replies, 10 in all. After contacting Workhorse they decided to send me a pump. They also made an appointment with a dealer which performs Workhorse warranty work. The truck went there, and has been running since. It kind of saddens me to ... |
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| 2002 Chevrolet Silverado 1500 5.3L No Start VIN: 2GCEK19T12 Rusty from Michigan sent me a reply that sent me straight to the root cause of my problem. Ignition switch was not suppling power in the crank position only in run. All of Alldata testing was done in the run position over looking cranking. Rusty's help sent me... |
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| 2002 Chevrolet Trailblazer LS 4.2L compressor clutch bearing VIN: 1GNDT13S82 I have had several replys that ALL GM clutch bearings are the same, From the old A6, R4 up to current models. A call to F/M bearing tech service verified that the 5809-VAW will fit, soooo... I tackled the job... and got burned. When I finally got the compres... |
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| 2002 Chevrolet Trailblazer LS 4.2L power windows and locks VIN: 1GNDS13S52 I did not actualy get to fix this one, as I did need a tech 2 to work on this vehicles power window system. I am not sure what needs to be programed into the door modules after replacement, but a tech 2 is needed to do them. maybe in 2 or three years my genisy... |
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| 1998 GMC C1500 Sierra SL 5.0L MIL Lamp on VIN: 1GTEC14MXW Hi Everyone, Thanks to everybody who sent relies. I called the customer up to arrange a time to re-check the system and she told me the light had not come back on since I last worked on it. The only thing I did before giving the vehicle back was clear the code... Trouble codes: P0404 (EGR System). |
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| 1999 GMC Jimmy SL 4.3L transfer case Thanks for the 4 replies I received. I haven't got the vehicle back yet to check it out more. The customer missed his appointment and never called back. Thanks again |
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| 1999 Oldsmobile Silhouette Premiere 3.4L valvetrain VIN: 1GHDX03E3X thanks for the replies! Appears that the sludge buildup in oil system (pushrods ect.)was the cause of lack of oil to the rocker arms! |
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| 2001 Pontiac Sunfire SE 2.2L No Start, Stall VIN: 1G2JB52451 Thanks for the replies! One said that the bcm could be the problem. one said the pcm could be the problem , and one said ck the body grounds. After checking everything possable to no avail I sent it to the dealer. Thanks again for those that took the time ... Trouble codes: U1000 (crank sensor performance), P0336 ([...] sensor), P0341, B00DY, A1R. |
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