 Prev |
Professional Automotive Repair Technical Discussions for February 14, 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 | |
| 1993 Cadillac Eldorado 4.9L oil pump VIN: 1G6EL12B2P hi all, thanks in advance for all your help. i'm a transmission specialist by day and this car belongs to one of our regulars. you know how it goes. it came in with the lifters clattering to beat the band. we changed the oil 1800 miles earlier and it was fine.... |
View | |
| 1994 Cadillac DeVille Concours 4.6L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G6KF52Y0R now coolant temp goes from 172f to 50F real fast,abs data states Lf and Lr wheels going 40mph and the rest of the data is jumbled on our snap on scanner and sometimes just cuts out for lack of communication.unplugged computors on the uart data line one at time... Trouble codes: 137 (loss of abs/tcs data) |
View | |
| 1986 Chevrolet Astro 4.3L Unknown VIN: 1GBDM15Z8G Thanks in advance, I am not a trans rebuilder, but I have this 86 astro with a 700r4 that the pump broke. Everything else worked and shifted fine, it belongs to me so I figured, hey I'll just replace the pump. I replaced the pump and housing and transferred al... |
View | |
| 1992 Chevrolet Cavalier RS 2.2L Mechanical VIN: HJWE34UI45 brakes were perfect until i replaced fuel line...and of coarse both rear brake lines started leaking so i replace both rear lines ...top up brake fluid...and bleed both nipples at abs unit next to the master...good 5 or 6 pumps clear fluid no more bubbles...th... |
View | |
| 1993 Chevrolet Beretta GT 3.1L cooling fan VIN: 1G1LW13T0P car come in with fan running continously when ignition switch is on. someone ran a ground wire off ground wire leading to relay switch causing fan to run. we disconnect ground wire that was spliced into ground to relay and fan quits. we have checked continuity... |
View | |
| 1997 Chevrolet Camaro Z28 5.7L No Start, Hesitation, Stall VIN: 2G1FP22P6V kid took off out of parking lot after work.got on it hard. popped and died. water pump has been leaking. suspect opti spark. dist. have never had the chance to work on this system befor. no codes. coil is working fine but nothing to plgs. no start. no fire. al... |
View | |
| 1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19R8W Help Guys! 1998 Checvy Z71 350 brought in missing on cylinders 5 and 7. Performed standard tests and results below. Compression 5-170 7-175 Fuel pressure - 61PSI Injector pressure drop test -OK Swapped - Cap(2),rotor,plugs. Removed plenum and commanded inject... Trouble codes: P0300 (Cylinder Misfire) |
View | |
| 1994 Geo Tracker 1.6L Hesitation, Over fueling VIN: 2CNBE18U5R Vehicle Cranks,Starts and idles. Won't respond to throttle under load. black smoke from exhaust. adusted throttle position idle switch. Fuel pressure [...] Drops to 37 at idle. (Alldata spec 13 to 20 at idle, 30 to 41 KOEO). Replaced fuel pressure regulato... |
View | |
| 1997 GMC K3500 Sierra SL 7.4L line pressure VIN: 1G3K300J97 After an overhaul for converter failure(highly metalized oil-no other hard parts affected)I now have very low line pressure(45 psi)and am unable to command higher pressure with Tech-2.When commanded the PCS is following the commands but not increasing pressure... |
View | |
| 2000 GMC Savana 2500 5.7L Stall VIN: 1GTGG25R3Y This van was towed in last night after another tech had replaced the fuel pump twice in the last 2 weeks. Customer complaint is losing power and stalling when hot. Van started and ran for about 2 minutes then lost fuel pressure and stalled. Started up again ri... |
View | |
| 1998 Oldsmobile Intrigue 3.8L Surge VIN: 1G3WH52K2W Customer has been to us several times complaining of what he calls severe idle surge when at stops and in gear. Fuel pressure ok. Wires and plugs were replaced with OE parts. as it originally had a skip. All scanner data normal. No codes or pending codes. We h... |
View |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1992 Buick Roadmaster Limited 5.7L 1-2 shift VIN: 1G4BT5379N Customer stated that car was still not upshifting from first (my words, not hers) when in fact she had a LATE upshift. Communication is the key to this fix. Adjusted TV cable just like almost everyone suggested and I had already done. Feels too mushy to me, bu... |
10 | |
| 1992 Buick Roadmaster 5.7L Hesitation Well, guys I want to say thank you for all the help and the very good info about this vehicle. I think its so great that there is techs out there that offer there help to others in need. I ended up welding in a new cat converter and driving vehicle. The proble... |
23 | |
| 1996 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality VIN: 2G1WX12X9T I would like to thank everyone who responded to the help request.I have not fixed the car yet the customer has not found time to bring it back in, we are trying to get him to leave it overnite to check the problem cold. The most popular recommendation was to c... |
10 | |
| 1999 Chevrolet K1500 Suburban 5.7L power steering performance VIN: 3GNFK16R2X This truck was fixed by replacing the sensor at the bottom of the column. Before replacing, I first confirmed the fix by unplugging the sensor on the back of the P/S pump and all problems went away. The pulse was gone, it also corrected a touchy unstable feeli... |
20 | |
| 1999 GMC Sierra 1500 SL 5.3L abs VIN: 1GTEK19T5X Thanks to all who replied ,most of you were right on the money,I cleaned the surface where the sensors mount,and the problem went away,and my sister in-law was also thrilled.Thanks again for all the replies. |
22 | |
| 1990 Pontiac Grand Am LE 2.5L Excessive Emissions, Poor Idle Quality VIN: 1G2NE14UOL measured rocker arm travel and found that cam had flat exhaust lobes. running compresion test at 2000 rpm and cylinder preasure went up instead of down showing a exhzust restriction. remove converter no change in driviability and came with conclusion that exha... |
20 | |
| 1991 Pontiac Grand Prix SE 3.1L Starting VIN: WE45TY6789 thanks for all responses...took a shot in the dark on this one...had an extra coil pack on my bench...swapped it and 500kms later no problems...purrs like a kitten...thanks again and thanks iatn |
6 |
