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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 22, 2006
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Open Help Requests for GM
Help Request Answers
1965 Chevrolet Corvette 327CID overheats VIN: 194675S022
Hello, I have a 65 Corvette 327 stock with about 170,000 miles on it.It was sitting in storage for about 5 years.Since being removed from storage it will overheat driving or idling in about 20 minutes.It boils.Have replaced radiator, water pump,thermostat,and ...
1995 Chevrolet Camaro 3.4L Strut VIN: 2G1FP22S4S
I'm replacing the front struts and ran into a snag. It's hard to explain, but I'll try my best. The factory strut has a bottom mount for the spring about half way down on the strut body. The new Monroe struts don't have this mount. There is a snap ring there t...
1996 Chevrolet Cavalier 2.2L No shift VIN: 1G1JC5240T
Hello tranny guys. I just purchased this vehicle from a little old lady that says it ran great until it quit running. Checked it out and found bad ignition switch. Put ignition switch in it and it fired right up but upon my test drive for no shifting. (I think...
1999 Chevrolet Astro 4.3L Surge VIN: 1GCDM19W6X
at 50 to 60mph under slight incline,seems to rev up 100 rpms,like its coming out of lock out or trans is slipping,
1999 Chevrolet Express 1500 5.7L Transmission VIN: 1GCFG15ROX
Hello group, This van will sometimes jump out of Drive into Neutral between 45-70 mph. Transmission operates normally otherwise and the fluid level is OK. Scanned for codes and had a P0430 history code [Low cat.converter efficiency bank 2] Hoping someone may h...
2001 Chevrolet Express 1500 5.7L Lighting VIN: 1GBEG15W91
The brake lights seems to have some weird problem. Can somebody tell me first? Is there suppose to have four brake lights on the same time , plus the third brake light, two on each side. If that's the case, than i have a problem. Without the headlight on, only...
1999 GMC Jimmy SL 4.3L Stall VIN: 1GKDT13WBX
truck came in with intermittent stall. checked for dtc's - none. finally got it to stall, but restarts almost every time. sometimes it will crank for 10-15 seconds and sometimes you have to cycle ignition key. fuel pressure stays at 63 psi. if left idling in b...
1997 Oldsmobile Bravada 4.3L Hesitation, MIL Lamp on VIN: 1GHDT13W7V
Hello techs i have this olds here thats acting very funny. It would drive fine then suddenly the service engine soon light comes on but when I tried to comunicate with my determinator it would say communication has been lost and i noticed if u wait a few mintu... Trouble codes: P0147
2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63BX2
Hey Tech's, Need a starting positon for this one. Looks like p0121 tps code may be the root cause. Found tsb for code p1179. I don't have alot of time to chase my tail on this one. Any advise or prior experience with these codes would be greatly appreciated. I... Trouble codes: P1779, P0700, P0121

Fixes & Summaries for GM
Fix/Summary Answers
1990 Buick Century Limited 3.3L Excessive Emissions, No Start, Poor Idle Quality, Stall, Misfire, Poor Fuel Economy VIN: 3G4AL54N2L
Thanks for all the replies. All kinds of things were suggested: Coolant sensor, Injectors, O2 sensor, Plugged converter… I went though the whole list and didn't come up with a repair. I have put this on the back burner for now. Hopefully there will be time to ...
1994 Buick Skylark Custom 3.1L No Start VIN: 1G4NV55M7R
Thanks very much for all the help full fixes. I found out that the engine was changed out and it had not run since engine had been replaced. Wiring harness had been damaged . Fixed damaged wires, also injectors were stuck and not pulsing from sitting up to lon...
1992 Cadillac Brougham 5.0L upper column VIN: 1G6DW51E6N
Thank you all for replying so quickly. I used a set screw to lock the shaft, although I thought the bearing preload was almost excessive, I think I bottomed out the spring or pretty close it, in order to install the clip. Anyway, the customer is happy and vowe...
1984 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Stall VIN: 1G1AY0783E
well thanks all for your advise. it turns out the fuel pressure was at 7 psi. not enough. replaced fuel pump and vehicle is now fixed.
1991 Chevrolet Camaro Z28 5.7L No Start, Stall VIN: 1G1FP2386M
Well, this one reminded me to (KISS) Keep It Simple Stupid. After checking & double-checking the VATS system, I went back to the basics. Originally, I took my tech's word that the spark & injector pulse quit causing the engine to die after running for 2 second...
1996 Chevrolet Corvette 5.7L Cuts out VIN: 1GC1243YHK
Ok I want to thank everyone for there help. David from Texas was right on about the locks being set to non-passive. The owner did not even know it was possible to do, im guessing it was done by the mechanic who worked on it unintentional. So I did not have alo...
2002 Chevrolet Trailblazer LS 4.2L evaporator
thank to Gry, Rick, and Mark, I had to Remove the dash board but finnaly I change the evaporator, than you.
2000 GMC K3500 Sierra SLT 7.4L Hesitation, Poor Fuel Economy VIN: 1GTHK33J7Y
customer returned a week later and tells me that the truck has life again. fuel milage has returned as well as power. customer is tpo return next month for o2 sensors and lower intake gaskets.[he only uses the truck to haul is car occasionally] thanks...
1984 Oldsmobile Cutlass Supreme Brougham 3.8L rear brakes VIN: 1G3AM47A7E
Hi this is fixed. Bradley [...] had the right idea to pull out nipple on combo valve and hold it with vise grips. I found that pushing pedal down once slowly and bleeding and waiting about 10 seconds between works best. I could not get to bleed by pumping peda...
1997 Oldsmobile Aurora 4.0L car VIN: 1G3GR62C6V
Thank you everyone. I waited to close just to be sure it was fixed. It turned out to be the battery. I was driving it with my labscope hooked up to the battery and a few other locations to watch for a voltage drop and I started getting a 5V AC pattern on every...
2001 Oldsmobile Intrigue GL 3.5L Starting
well, I lucked up and found the spot where the rat chewed through the purple wire that grounds crank relay. just above the right inner tie rod where the harness goes through firewall. as far as the iac going crazy i dont know-it quit acting up. thanks for all ...
2001 Pontiac Aztek 3.4L abs VIN: 3G7DA03E61
Hi guys, thanks for all of your input. I replaced the Hub & Bearing Assembly and the customer hasn't complained of the problem returning yet. It has been about three weeks so I'm pretty sure its fix'd. Thanks again, this is the greatest site for Techs all over...
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