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Prev Professional Automotive Repair Technical Discussions for June 11, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1999 Buick LeSabre Limited 3.8L vents VIN: 1G4HR52K2X
hello everyone need some help here we have a buick dual climate control, it only blowes out the defrost and floor have trided new temp head and three new programers with no luck it has good engine vacuum and you can make all modes work by jumpering vacuum dire...
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1995 Cadillac Seville SLS 4.6L MIL Lamp on VIN: 1G6KS52Y6S
The light comes on AFTER the vehicle is started (usually around 1200 rpm in Snapshot), this is important for the trouble tree. Followed the trouble tree and came up with problem not present at this time. Scoped Ignition Control and 4X signals, both good 0-4.5V... Trouble codes: 23 (Ignition Control Circuit Problem)
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1984 Chevrolet MOTORHOME 7.4L charging system VIN: 1GDJP37W2E
hope there is someone out there that has the answer for this 84 gm motorhome. cust brought to us said he was driving home and noticed headlights dimming.we have no wiring diagram to go to. it has a ford charging system which we can full field to make it charge...
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1998 Chevrolet Prizm 1.8L Excessive Emissions VIN: 1Y1SK5289W
Intrussive test on Cat/con shows cat/con at 83.5 effienancy Have not found any thing else wrong, drives well. No EGR system here to help. Any help is a good thing.
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1998 Chevrolet Tahoe LS 5.7L theft lock VIN: 1GNEK13R5W
starts and dies, b2948 code stored, flash computer first to see what it will do truck runs now with securtiy light on. So decide to change ignition cyclinder housing, after housing reflash again same thing truck runs but light on. Do I need to change key tumbl...
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2001 Chevrolet Suburban 1500 5.3L power steering VIN: 1GNFK1GT91
first off thanks for any help. I have a problem suburban here. we originally replaced the power steering pump due to leakage, no other issues present at that time. we replaced the pump with a napa reman and had no assist after, checked for flow and found very ...
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2002 Chevrolet Trailblazer LS 4.2L engine VIN: 1GNDT13S42
Hello all. I am working on an 02 trailblazer with a 4.2l I6. When you first start vehicle in morning or any time after vehicle sits for a while engine makes a knocking sound. seems to idle smooth and run fine. after it warms up or runs 3-5min noise goes comple...
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2002 Chevrolet Trailblazer LS 4.2L Engine VIN: 1GNDS13S12
Customer says that they have owned this trailblazer since new and this Vibration has just came on slowly, it has gotten a lot worst lately. You feel it all the time, less in park and reverse and but most noticed in forward or drive… don't see any thing wrong.....
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2002 Chevrolet Malibu LS 3.1L Cooling Fans VIN: 1G1NE52J52
Have Malibu, that I'm having couple of problems, fixed one problem with system not building pressure in cooling system. Had a bad coolant bottle, warped at cap area. Customer say cooling fans don't come on high speed. Here's what I'm seeing, Low speed on at 22...
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2003 Chevrolet Tracker ZR2 2.5L Mechanical VIN: 2CNBJ73493
This will be an intesting read! We received a nightmare from another shop that attempted to repair this concern. We have an 03 2.5 Tracker with an auto trans.The concern is an audible knock from what appears to be from the front upper ar ea. the noise is a low...
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2004 GMC Envoy XUV SLT 4.2L message center VIN: 1GKET12S24
customer dropped off car with complaint that all lights come on dash, abs/battery/etc, and voltage guage drops way down, message center states "uknown driver" of course when i get the car nothing is happening, wants to take car on trip and is worried--call my ...
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2001 Pontiac Sunfire SE 2.2L anti theft VIN: 1G2JB52411
Hello Techs,I got this Sunfire and the alarm go's off say ones in the 24 hours for no reason,no codes found,it is factory alarm,we checked al the door sensors but it is looking good,any ideas?? thanks for the help
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2002 Pontiac Grand Am SE1 2.2L No Start VIN: 1G2NF52F92
General passlock question... I've seen a lot of these vehicles, especially the Grand Am's and Alero's with repeat passlock failures and I have another one on my hands. Typically I will test and replace these things when bad, and a year or two later they come b... Trouble codes: B2960 (Passlock Data Incorrect)
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet Malibu 3.1L No Start, Hesitation, Cuts out, Stall VIN: 1G1ND52J01
well guys i was driving it to the shop to drop the tank and it started acting up so i whip it around to go back home and the engine caught so when it starts to cut out i rocked the car a little and it goes away i dropped the tank and cleaned the sock which wa... Trouble codes: P300, U1040, P1106, P1189.
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2004 Chevrolet Impala 3.8L door locks interior lights VIN: 2G1WF52E14
THANX GUYS FOR HELP. I INSTALED HIS OLD BCM THAT WOULD INTEMITENTENLY BLINK THE HEADLIGHT ON AND OFF. GOOD THING I KEPT IT AS A TESTER. VEHICLE'S DOOR LOCK FUSE PROBLEM DISSAPEARED. DEALER INSTAL NEW BCM TO REPLACE THE DEFECTIVE ONE AND FLASHED IT NO CHARGE. V...
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1999 Oldsmobile Intrigue GLS 3.5L hvac control VIN: 1G3WX52H3X
thank you for all the replies...the customer has decided to hold off on any repairs at this time. when the customer returns emphisis will be placed on the pressures and r134 charge.
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