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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 22, 2013
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Open Help Requests for GM
Help Request Answers
2004 Buick Rendezvous CX 3.4L speedometer VIN: 3G5DA03EX4
Need help in trying to solve why no speedometr when i pulled the old vss off it had a lot of metal deposits around the sensor
1989 Chevrolet K1500 Cheyenne 5.7L cab vent? VIN: 2GCEK14K0K
Truck has excessive noise from near back window and I can feel draft coming up from between plastic trim and back window. I am wondering if there is a vent or fresh air seal or some thing that is not sealing the cab behind the seat.
1991 Chevrolet K1500 Cheyenne 5.7L 1-2 shift VIN: 1GCDK14K2M
Truck came in with a leak from pump and late 1-2 shift also a very hard shift to second. Pulled trans to reseal and put a shift kit in valve body. Now we have a very early shift to second at about 2mph it will drop to 1st manualy but takes off in second if you...
1993 Chevrolet P30 5.7L engine assy VIN: 1GCHP32KXP
I am replacing the 5.7l with a reman but I cannot seem to figure out wich way is the best to r and r the engine. The front end of the body seems to be welded together. Is it sawzall time or am I missing something? Thanks for any replies. Bill
1996 Chevrolet G30 Chevy Van 5.7L transmission VIN: 1GCGG35K5T
Thanks in advance to all who share their wisdom on this old beast. We have some trans problems that we weren't able to duplicate at first. The van seems to drive ok around town, maybe a little late shifting but nothing terribly out of the ordinary for this van...
1997 Chevrolet Blazer 4.3L Vacuum
On accelerating goes to defrost mode.check for vacuum leak no leak check vac tank ok overlaid vac hose to rotory vac valve no change plug vac hose to 4wd check vac at check valve 15in of vacuum. Don't hear any vacuum leak inside.replace rotary vacuum valve no ...
1999 Chevrolet C3500 6.5L Abs & Trans VIN: 1GBJC34F6X
This is driving me nuts. Keep getting code c0237 rear speed senor . Replaced speed sensor and new act right up , tried several speed sensor from know good trans and still code c0237 pop up, trans shifts in and out of passing gear. I thought I solved this the o...
2003 GMC Yukon SLE 5.3L Cuts out, MIL Lamp on, Limp Mode VIN: 1GKEK13T23
Have a truck that got towed in, would idle but no acceleration, scanned for codes had codes p1516 and p1518 I ended up replacing the electronic throttle body and clearing codes road tested fine, then parked it, went to move it later check engine light poped on... Trouble codes: P1518
2008 Pontiac Grand Prix 3.8L No Start
Thanks in advanced for all your response.. Havent got the chance to do a full diagnostic yet on this vehicle , would like to get as much information possible before i look more into it. Okay here we go! vehicle towed in , checked fuel pressure (normal 55psi), ... Trouble codes: P0520 (Engine oil pressure sensor signal circuit)
2002 Saturn L300 3.0L power steering pump VIN: 1G8JW54R22
this vehicle came in about 3 weeks ago with what sounded like air in the system. there was no foam in the reservoir. also if you turned the wheel to full lock in either direction the noise would totally and instantly stop. shut the car off and start it again a...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Chevrolet Express 2500 5.7L Poor Idle Quality VIN: 1GCGG25R8Y
After rechecking for vacuum leaks and making sure the throttle was actually closing all the way. I decided to recheck the IAC circuit with my noid light. What I noticed was that the 2 lights would some times turn off completely. It seemed like if I moved the... Trouble codes: P0507 (Idle speed control).
2001 Chevrolet Blazer LS 4.3L Turn Signals VIN: 1GNDT13WX1
Thank you all for quick response. Car turned out to be RV TOW DINGY. Found open in creative wiring. All sockets were good and yes- bulb out causes flasher to go faster. Thanks again.
2003 Chevrolet Monte Carlo SS 3.8L Misfire, MIL Lamp on VIN: 2G1WX12K13
Well for all that replied I thank your for the quick responses with all the possibilities that each and everyone of us have performed in order to repair a misfire code at some point. Please raise your hand if you would have ever thought the repair to a random... Trouble codes: P0300 (Random Misfire).
2006 Chevrolet Cobalt LS 2.2L Generator VIN: 1G1AK15F96
The Cobalt now is charging battery properly and left the shop, I took all your advice and rechecked the wiring, it was not consistent( as advised by Alex from Georgia, Robert from PA, Scott from PA, Michael from Florida made me aware that turn on signal for ge...
2000 GMC Savana 1500 5.0L Starting VIN: 1GDFG15M5Y
Ok all I told you my brain got turned off. Well some how I over looked the most simple of all things the engine 1 fuse was blown and I missed it (Homer Simpson moment). Now I just need to figure out why since it is not blowing now. Have a fuse buddy installed ...
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