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Prev Professional Automotive Repair Technical Discussions for March 7, 2011
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Open Help Requests for GM
Help Request Answers
1998 Cadillac DeVille d'Elegance 4.6L Accessories VIN: 1G6KE54Y9W
Thanks in advance.Yhis caddy is killing me,will start then stall in 3 seconds,it had flashing airbag light,flashing boxes around prndl,and message stateing theft system ,vehicle may not start,i also have no communication with any module no radio,and just -- on...
2001 Cadillac Seville STS 4.6L Ebcm VIN: 1G6KY54931
hey guys weve had this one come in before but had no codes stored current or history, lamp was off so we didnt have any direction on it. now we get codes in ABS module and in ESC module abs: c1287 steering rate sensor malf esc: co710, u1000 (steering pos sens...
1998 Chevrolet C3500 Silverado 7.4L interior lights VIN: 1GCGC33J9W
Thank's for looking. The truck's interior lights come on at random which drains the battery. I'm looking for the keyless entry modual and the interior light modual. I have found a little plastic black box above the gas pedal but it has 6 wires white, tan, oran...
2001 Chevrolet Tracker 2.0L No Start VIN: 2CNBJ13C61
I have an intermittent(95% of the time) no start. While checking for spark, I will get an occasional spark on the coil I am checking. If I am very persistent, I can sometimes get it started and it runs great. The upper timing chain tensioner is noisy at times ...
2008 Chevrolet Silverado 2500 HD LT 6.0L steering VIN: 1GCHC24K58
customer had this truck towed in, says it has loud pop when turning tight-either direction. does not do it often but after pops it will pull so badly he cannot drive it(scared him so bad, had it towed in 80 miles). turn a few times and it is ok. we have checke...
1999 GMC cut away 5.7L Hesitation, Cuts out, Poor Fuel Economy VIN: 1GBJG31RXX
The truck drives fine until at some point after it is warmed can be 100 miles later on a trip, it loses power. Vin R Vortec 5.7 Engine was rebuilt by another shop due to a bad intake leak. This problem happened before the rebuild and after. They tol...
2005 GMC C7500 Topkick C7H042 7.8L pto VIN: 1GDK7C1325
Hi I bought a used 2005 gmc 7500 rollback I am trying to install a high idle switch for the power take off. The truck has the 7.8 litre duramax engine with an allison auto trans.Would anyone have a wiring diagram or know how to hook one up? It does have a plug...
1990 Oldsmobile Delta 88 Royale 3.8L 1-2 shift -no overdrive VIN: 1G3HY54C0L
Hi everyone, thanks in advance for any help. Got this older car in, has lower miles on it, owner wants to keep for his daughter to drive. Had no 3-4 shift, 1st 2nd 3rd @ tcc lockup worked good, scanner showed 4th gear shift, so i new trans was trying to make s...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Cadillac DeVille d'Elegance 4.6L Electronic VIN: 1G6KE54Y4W
Thanks for all the replies. It turns out that this is normal operation. Gm designed this system to blow hot air on defrost and floor during cold start ups based on temp sensor. When the cabin temp warms up it will then blow hot air out of the middle vents. th...
2003 GMC Sierra 1500 5.3L Abs Module VIN: 1GTEK19T73
I fixed it! Thanks to Leonard form Arizona, i figured it out. I talked to him on the phone and he explained on how to check communication lines and it got me what i needed. Ok so the ground was NOT a problem.. it was the data wire going to the radio that cause...
2007 GMC W4500 Forward W4S042 5.2L light on VIN: J8DC4B1697
HI , this truck did not come back in yet , with the replies we had -we will pull the wire and if the light goes out we will know its in the sensor -we will install new gas filters and clean out water seperator and check switch -if bad will also install new swi...
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