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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 27, 2005
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Open Help Requests for GM
Help Request Answers
1987 Buick Century 2.8L forward gears
This vehicle goes into reverse right away, but it takes 1-2 minutes before it will engage in any forward gear. Once vehicle engages it can be driven around with no porblem. Engagement time is decreased as vehicle gets driven and transmission warms up. I am a d...
1996 Chevrolet K1500 5.7L Cuts out VIN: 1GCEK14R4T
HELP, PLEASE!! Vehicle feels like it hitting a rev limiter under accel, either hard or normal, while pulling away from a stop. Only code that has showed is a misfire code P0305. Have repaired misfire and code has not reset. Have looked and done wiggle test on ...
1996 Chevrolet C3500 Cheyenne 7.4L Limp in mode VIN: 1GBKC34J8T
This truck is stuck in second gear. I can drive it in 1st gear and it stays in 2nd. I dropped the trans pan and the fluid was black. Will a fluid and filter change help? Should I change the shift solenoids too? Other than the fluid being black, I saw no other ...
1997 Chevrolet K1500 5.7L steering VIN: 1G1CEKFJ87
This vehicle has no intermittant no power assist at idle when turning wheel in either direction. Bringing truck off idle corrects problems and steers great. We can not recreate this problem but I am thinking powersteering pump control valve may be going out. I...
1999 Chevrolet Silverado 1500 5.3L Poor Fuel Economy VIN: 1GCEC19T3X
Have been steadily loosing gas milage. Use to get 21mpg plus until about 2 yrs ago. Then checked one day and it was down to 19 at several checkings. This summer down to 17.5 to 18. Now down to 16.8 last two checkings, no air conditioning running. Have put a ha...
1991 GMC TopKick 8.0L A/C Controller Module VIN: 1GDM71HJ1M
I have a real winner here. The LED's on the A/C controller flash and the system doesn't work.I'm just trying to get some heat and a little defrost for the driver. When you turn the ign. swithch on, about 10 sacs later the LED's for the dash mode start to flash...
2001 Oldsmobile Intrigue GX 3.5L Heather/AC and Cruise Control VIN: 1G3WH52H51
Heater and a/c blower and cruise control not working. It has been suggested that BCM module could be inoperable. If this is the problem, where is it located.

Fixes & Summaries for GM
Fix/Summary Answers
1986 Chevrolet S10 2.8L No Start VIN: 1GCCT14R1G
First I want to thank everyone for there help. As I have stated in my question I got this 1986 chevy S10, not running, dropped off at my door after the customer could not get it running. He had replaced the map sensor and regulator. The pickup had spark but no...
1995 Chevrolet Monte Carlo Z34 3.4L intake VIN: 2G1WX12X5S
most of the replies were to remove the pump drive.-i state again-you cannot remove this drive without removing head! but,even if i had a problem with the drive i should not see oil on the lower intake gasket when removed. thanks for all replies!
1997 Chevrolet Monte Carlo LS 3.1L Cooling Systems VIN: 2G1WW12M4V
Thanks to all who gave us some input on this one this is one of the first times we seen oil in the coolant we allways see coolant in the oil so this is why I ask for some input Thank you all
2001 Chevrolet Malibu 3.1L ipc VIN: 1G1ND52J41
Thanks for allthe help I recived 3 replies to my request one of which told me that the signal for the temp gauge came from the serial data 2 link from the BCM. I look at the wiring diagram for a 2002 and it gave me 3 wires that go from the BCM to the IPC. One ...
2001 GMC Sierra 1500 SL 5.3L Steering VIN: 2GTEK19T51
Sorry it took so long to reply with fix, but customer was draging feet about bringing new hose. One reply was about having a restricted pressure hose or perhaps an inner flap (torn liner).I was on vacation all last week and could not access my account.I change...
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