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Prev Professional Automotive Repair Technical Discussions for January 22, 2005
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Open Help Requests for GM
Help Request Answers
1987 Buick Regal Limited 3.8L reverse VIN: 1G4GM11A2H
Hey, I need some old school tranny guys help. I have this 1987 Buick LeSabre that had no reverse. I dis-assembled the trans and found that the low and reverse clutches were wiped out, so I overhauled the trans. Now it has reverse when it is cold, but once the ...
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2001 Chevrolet Impala 3.4L temp.gauge VIN: 2G1WF52E31
Hi all we have a inop. temp gauge,it stays down in the cold range all the time.it will bump up a little when key is turn on-but stays in cold range with engine at normal temp.we checked and found no codes in the system.coolant is full,alldata wiring diagrams s...
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2001 Chevrolet Blazer LS 4.3L four wheel drive VIN: 1GNCT18W21
hello everyone, this vehicle would blow #15 10 amp fuse only when in motion. fuse will burn in 2wheel drive & four drive. will not burn out while idling & wiggled the wiring harness at the tranfer case & transmission area. four wheel drive engages & disengage...
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1988 GMC C1500 Sierra SLE 5.0L Poor Idle Quality, Hesitation, Stall VIN: 2GTDC14H1J
HI I KNOW SOME OF YOU HAVE HAD A PROBLEM LIKE THIS (posessed). THIS 88 GMC PICKUP HAS A REAL HESITATION WHEN COLD NOT AS BAD WHEN WARM OR HOT. PROBLEM STARTED ABOUT 2 WEEKS AGO TUNEUP AND GASKETS REPLACED EARLIER NOT BECAUSE OF THIS PROBLEM.TRIED A USED COMPUT...
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1990 GMC K1500 Sierra 5.7L batteries VIN: IGTEKI4K2L
This pick up has two batteries but it is a gas engine? The owner says it came from dealer that way. The right batt/wiring looks as convetional p.u does. the left batt. has small guage wires one goes to grd. and a pos.wire that goes to what looks like a motorcr...
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1992 GMC K3500 Sierra SLE 7.4L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 2GTHK39N9N
Runs very rich,at times stalls and idle fluctuates.Other times runs really good.Has no noticeable power loss and does not use any oil.I also replaced knock sensor and wire back to ecm as this truck has a 4l80e trans and does not use esc module.Also noticed it ... Trouble codes: 43 (esc)
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2004 GMC Yukon XL 1500 SLE 5.3L n/a VIN: 1GKEC16Z94
I need to find out what the DTC code PO455 Points To. Thank You
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1993 Oldsmobile Cutlass Supreme 3.1L dead batt VIN: 1G3WH14T4P
Hi all we have elec.drain of 1 amp.that is gone when removing the fuse marked elec from the inside fuse box (under the glove box).this fuse feeds the radio, frt.door latch switches,hvac control,instrument cluster and the passive restraint control module.i can ...
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2001 Oldsmobile Alero GL 2.4L No Start VIN: 1G3NL52T01
hope someone can help me... car wont start cranks ok has spark injector pulse and fuel pressure compression is 175 on a cold engine...it almost wants to start but just wont ...no backfire or anything my snapon scanner says that 1621 is almost always a bad ecm ... Trouble codes: 1621 (ecm prom memory problem)
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Fixes & Summaries for GM
Fix/Summary Answers
1977 Buick Regal 5.7L engine VIN: 24557H7G15
Thank you to all that replied, I get the hint - Drive the car! 90% of the responses just confirmed the idea that we need to heat it up; more than idle can do, and burn everything out of the exhaust. I did come in early one Sunday morning and drove it aroun...
61
2000 Cadillac DeVille 4.6L Cooling Systems VIN: 1G6KD54Y7Y
Thanks again for the replies. The customer has declined to repair the engine. Don [...] hit it right on the head with the fact that these block can crack in specific spots or become porous. Don sent me an article that anyone having similar p...
5
1996 Chevrolet Blazer 4.3L Hesitation, Misfire VIN: 1GNDT13W8T
Got lots of good sugestions but most of them I already thought of. One good one I didn't think of was possible transmission fluid being pulled in to the intake but, the customer has not returned to have it checked out again. He was not impressed, I'm not sure ... Trouble codes: P0300 (Random engine misfire).
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1999 Chevrolet Astro 4.3L Surge, Misfire, MIL Lamp on VIN: 1GNDM19W8X
Thanks to all for the suggestions! After scoping the crank sensor, it was replaced. The new sensor inmmediately put the cam retard at 0 as it should be. We kept the van for a couple days, with repeated test drives. The customer came by yesterday and told us it... Trouble codes: P0300 (Random misfires).
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1999 Chevrolet Tahoe LS 5.7L Misfire VIN: 1GNEK13R3X
Thanks to all who replied the fix was to clean the fuel system with the motor vac system letting it soak over night with cleaner in the system Trouble codes: P0304.
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1994 GMC K2500 Suburban SLE 7.4L fail safe harsh shift&code 86 wont go away VIN: 1GKGK26N2R
well the way we fixed this 4l80 is we went back and checked the size of the hole we drilled in the valve body plate in the sol ckt and we found out the hole was .076 and it is supposed to be .041 or below this was flooding the solenoids and keeping them shut o...
7
2000 GMC K2500 Sierra SL 5.7L Fuel gauge VIN: 1GTGK23R3Y
Customer has not returneed as of yet, he is not sure if he want to go with a new or used cluster. If and when I get the truck back, I will post my findings. Thank-you all for the replys, they sent me in the right direction...
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1994 Pontiac Grand Prix SE 3.1L dome light VIN: 1G2WJ52M4R
Sorry it took so long to post a fix but the customer just brought the vehicle back. The repair was a 2nd headlamp switch. The first was defective. Thanks to all that replied.
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1993 Saturn SL 1.9L Poor Idle Quality, MIL Lamp on, HIGH IDLE VIN: 1G82H5596P
THANKS TO ALL!! 17 relies! We have created a very good Data Set in the Fix Data Base for future reference. The Idle problem turned out to be a lot of very small vac leaks that added up. At first they did not show up with carb cleaner sprayed and the engine wou... Trouble codes: 26 (quad driver).
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