 Prev |
Professional Automotive Repair Technical Discussions for January 21, 2004 International Automotive Technicians' Network (iATN) - Members Only |
Next  |
| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
| Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder. | ||
Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Regal Gran Sport 3.8L Magnet VIN: 2G4WD54L5M Just a quick question. We are replacing a missing cam sensor magnet(interrupt) on this car. We have OEM interrupt & Fed Mogul timing set. Problem is the interrupt fits very loosely in the hole of the cam sprocket (about .025 difference between hole diameter an... |
View | |
| 1996 Cadillac Seville STS 4.6L Intermittant wiper's VIN: 1G6KY5299T I'am up to my neck with this one. The intermittant wiper's will only cycle once in all switch possition's, high and low work normally. I have replaced the wiper modual with no change. I have dissassembled the steering column as far as the tilt mechinism, but I... |
View | |
| 1997 Cadillac DeVille d'Elegance 4.6L Unknown VIN: 1G6KE54Y8V Hello I have a Caddy with a 210ma draw. I pull the 10 amp "comfort" fuse in the trunk and draw goes away. The BCM has been replaced, I cant find any lights on and dont want to spend a butt load of time (used car dealer, you know how they whine) going thru the ... |
View | |
| 1997 Cadillac Eldorado ETC 4.6L Stall VIN: 1G6ET1293V Dies when hot at idle intermittently. Only when outside temperature is above 50 degrees. Won't stall when it is cold outside. No codes and no other symtoms. Fuel pump is okay and fuel pressure regulator was replaced which was causing a hard start condition. |
View | |
| 2001 Cadillac DeVille 4.6L Misfire Has int miss on #3 cylinder.Swapped plugs,boots,ign system,injectors from bank to bank.Still came back on #3.Happens once every 4 or 5 days.Happens during warm up only.Coolant temp around 70 degrees.Usually 10 minutes into warm up drive in AM. Freeze frame sh... Trouble codes: P0300 |
View | |
| 1984 Chevrolet C30 Custom 6.2L Glow Plugs VIN: 1GCGD34J0E This is a Military vehicle. The glow plug circuit does not come on cold. If the temprature sensor that is mounted on the left side cylinder head at the rear, intake manifold side is unplugged the system works properly but will not turn off when the engine temp... |
View | |
| 1999 Chevrolet Tracker 2.0L MIL Lamp on VIN: 2CNBJ13CSX Hello This 99 Chevrolet Tracker came in with a check engine light and no drivability complaints. I hooked up the scanner only to find it will not communicate. I tried another scanner same thing.I ran through Mitchells Data Link connector test as follows. 1.co... |
View | |
| 2001 Chevrolet Tahoe 5.3L coolant VIN: 1GNEK13T91 Hello fellow technicians. Hope someone out here has seen this and can offer a fix to this cooling system problem. Last summer customer has a fender bender and had to have a radiator and condensor put in. No problems until weather dipped below freezing and e... |
View | |
| 1998 GMC Yukon SLE 5.7L auto headlights VIN: 1GKEK13RXX I need some infortmation to verify excactly how to test the timer on this system. The original complaint on this SUV was the headlights would just turn off at times when the switch was in the on position so I replaced the headlight switch. A week later it come... |
View | |
| 1999 GMC Sierra 1500 SL 4.8L Engine oil contaminated VIN: 1GTEK14VXX This truck was referred by a local Service Station {Not to many of those left}. This might be coincidental but he took it in because he noticed check engine light was going on and off. The service station found water in the oil and did an oil change. about one... |
View | |
| 1999 GMC Sierra 1500 SL 5.3L No Start, Cuts out VIN: 1GTEK19TXE Got another GM problem child here. Truck came in for hard start after a hot soak- found fuel pressure to leak down after 10 min. Replaced pump due to low volume, regulator for bleed down issue, and filter for good measure, all Delco parts. Ran good for 10 days... |
View | |
| 1998 Oldsmobile Silhouette Premiere 3.4L cooling fans VIN: 1GHDX03E9W hello techs. i hope someone has run into this before. i have thoroughly tested cooling fan circuits. all relays, fuses cts test good. w/ a/c cycled on fans work accordingly but will not turn on when required.(221 deg low speed, 235 high speed) according to all... |
View | |
| 1993 Pontiac Firebird 5.7L brake lights/L turn signals hey everyone i appreciate any help you can give me. this is my own personal vehicle so no rush. the problem is that the brake lights, not necessarily all but sometimes just left or just the right is inop with headlights on. parking lights work properly. also t... |
View | |
| 1999 Pontiac Grand Am SE 3.4L No Start, Cuts out, Stall VIN: 1G2NE52E4X This car came in with a intermitent no start. We scanned for codes with a GM tech 2 scan tool. we replaced the ignition cylinder and cleared the codes. Customer picked up the car this morning and returned this evening with all these codes stored. The customer ... Trouble codes: B2958 (Security system sensor data circuit high), B1365 (Ignition zero malfunction), U1040 (Loss of class 2 communication with ABS), U1255 (Class 2 communication malfunction) |
View |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick Park Avenue 3.8L refueling problem VIN: 1G4CW52K7V almost everybody told me about the check valve on top of tank. but customer elected not to pull the tank. the access hole did not help. the tank has a 4 hr flat rate r&r. thanks to all who replied |
10 | |
| 1997 Buick Park Avenue 3.8L Engine VIN: 1G4CW5ZK5V Thanks for all the replies on this one. Most said to take the engine out the top, and that is the way we did it. Actually one of the easier engine swaps I've ever done. We removed the harmonic balancer for a little added clearance. Just laid the P/S pump and A... |
20 | |
| 1994 Cadillac DeVille 4.6L hard start sorry to say this car never acked up as cust, said butwedid put in a fuel pump relay just in case ,and cust.saidit has been starting good thanks |
6 | |
| 1952 Chevrolet 1/2 ton 216CID Torque tube seal What I had to repair the seal problem was a different style brass sleeve & seal replacement unit. The original system had a front bushing,seal & rear bushing. I had to remove the old bushings & seal & install this new sleeve which was 1 piece, that took the pl... |
7 | |
| 1986 Chevrolet C10 Suburban Custom 5.7L Cuts out, dieseling VIN: 1G8EC16L6G Well as it turns out almost all 17 replies nailed it. There was no idle down solenoid, but there was a wire there for it. Installed a new solenoid and all is well. Thanks for the help. |
17 | |
| 1992 Chevrolet S10 2.8L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GCCS14R2N Thanks to all who replied. the problem with this vehicle was the valves were too tight. When I went through the valve adjustment our program calls for tightening the valves by taking out any play in the push rods and then tighten nut 1 and 1/2 turns. This was ... |
4 | |
| 1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GNDT13W3T 25 replies. Incredible. I thanked each person individually and am still thankful for the large response. Most thot the problem had to be with the regulator leaking or the poppet valves, because this system is definately problem prone. There are alot of thing... Trouble codes: P0300 (random multiple misfire code 3 and 5 are flooding). |
26 | |
| 1999 Chevrolet Silverado 1500 4.3L heater core when core was removed i took it to a radiator shop for testing, radiator tech told me it had a weak spot in it when it was built.replaced core again and pulled and filled with a vacuum. filled with distilled water and new dex a cool. also added BG pink coolant... |
5 | |
| 1996 GMC Pickup K1500 5.7L Excessive Emissions, Poor Idle Quality, Misfire Rec'd 14 replies on this one.Must be a problem child for GM.A few had said to check distributor cap and avoid cheap aftermarket ones.We had replaced it with a STANDARD cap.And checked the resistance thru-out.Most had recommended pressure clean injection system... |
14 | |
| 2000 GMC Savana 3500 6.5L No Start, Cuts out VIN: 1GDJG31F7Y After taking it to the dealer, they found that the optical fuel sensor was shorting out internally. The vehicle fell into the injector pump replacement policy. They also found a problem with the turbo. It had a leak and that contributed to the lack of power pr... Trouble codes: P1626, U1192 (Lost communication with PasslockTM module), P0251. |
4 | |
| 1991 Pontiac Grand Prix STE 3.4L timing VIN: 1G2WT54X2M thanks to all who dropped a line. I gave Bills advice to the tech and he reassembled the engine and it runs great. I appreciate everyone who spent the time to research for me. |
7 | |
| 1995 Pontiac Grand Prix SE 3.1L temp gauge VIN: 1G2WJ122M1 I have done everything I/we could think off and cannot fix this car! It passes all tests, CO2, cyl. leakage, pressure test, pulled w.p., replaced t-stat again, fans operate properly after PCM replaced, replaced tamp gauge sender. The upper hose is hot and hard... |
11 | |
| 2000 Pontiac Grand Prix SE 3.8L No Start, Stall happy to report the car is now running fine. have put about 400kms on it and no problems.started to suspect ignition module but inputs and outputs looked good.found pinched power wire with some corrosion on it and repaired. still stalled. replaced ignition mod... |
9 |
