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Prev Professional Automotive Repair Technical Discussions for May 27, 2011
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Open Help Requests for GM
Help Request Answers
1985 Buick Riviera 3.8L radio VIN: 1G4EZ57BXG
Pulled radio out to inspect. You can hear static. No music. Unclear where antena plugs in. not a typical antena plug. The antena goes up and down when radio is turned on, just scans for stations. No music. Thanks in advance for the help.
1991 Cadillac Seville 4.9L Etc VIN: 1G6KS53B6M
We had this car in about 6 mon ago & had problems charging ac but did worked good 1 week came back this time full of freon. I have on grown to ac clutch relay. I have tried a new pcm,fan module, lots of time running wires. Now i have decided that it has ate my...
1988 Chevrolet P30 7.4L All power is lost VIN: 1GBJP37W4J
Help, I have a Motorhome that has a problem with the power supply to the fuse panel. I have power to the fuse panel with key off, turn the switch to on or start and all power is dropped. Turn the key to the off position, wait about ten seconds power returns as...
2002 Chevrolet Trailblazer EXT LT 4.2L No Start VIN: 1GNDT13S72
Hi need some assistance on this trail blazer came in running good but had a weak battery so we changed the oil and replaced the battery.Reset light pedal depress 3 times Now the car wont start the cel and reduced engine power light on. Now has codes p1515, p15... Trouble codes: P1515, P1516, P1523
2009 Chevrolet Traverse LS 3.6L Mechanical VIN: 1GNER13D39
Hello all and thanks in advance for looking into this...This customer went into a jiffylube for an oil change, vehicle was ticking, low on oil (aparently). Oil was changed 5w30 quaker state bulk oil put in. From there the noise got worse then it wouldnt start....
1999 GMC Yukon Denali 5.7L Transfercase VIN: 1GKEK13R7X
This is my personal truck and the service 4x4 light is driving me nuts. I checked cleaned and tightened the connectors at the transfer case, I do not see any corrosion or cut wires. It seems when I disconnect the 2 connectors at the transfer case motor the lig...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Buick Park Avenue 3.8L Entire System VIN: 1G4CW52KXV
Well after much time and heart ache we got this car fixed, we pulled the evaporator core out and found nothing, so we went over the whole system again and finally saw some dye coming out of the compressor around the bolts that hold the case together, we had lo...
2004 Cadillac CTS 3.6L 3-2 Coastdown VIN: 1G6DM57794
Thanks for the replies, customer has not gotten back to me to try any of the suggestions. I also went to GM's TIS site & found 2 flash updates that may or may not apply. My thought is that the trans flush may have cured it since customer has not gotten back o...
2000 Chevrolet Blazer LS 4.3L No Start, backfires
Thanks to all that replied John from Michigan nailed it on the head ordered crank sensor from dealer this morning part number [...] put it in and all is good thanks to everyone on IATN
2001 Chevrolet Express 3500 5.7L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GCHG35R91
First thanks for all the help. I tried the new A/C delco cap and rotor tonight with no luck. But after replacing the rotor I kind of did a double take at how much free play there was with the distributor in the engine. The rotor could probably turn 1/4"... Trouble codes: P0300.
2002 Chevrolet Silverado 2500 HD LS 6.0L Door locks and Daytime Running Lights VIN: 2GCHK29U82
Well, the problem turned out to be a bad keyless entry receiver. The unit is located under the top center of the dashboard. This is a good friends vehicle and he gave permission to snip the serial data wire at the BCM that comes directly from the keyless ent...
2005 Chevrolet Uplander 3.5L rear suspension VIN: 1GNDV23165
Good afternoon to all I tried to let the customer,let me replace the trailing arm bushings,but he doesnt beleive that is the problem because he called auto zone and they told him it has control arms so he told beleive me so I guess he is taking it to a dealer,...
2005 GMC Savana 3500 6.0L Hesitation, Surge, Cuts out VIN: 1GDUJG31U9
THANKS TO ALL 3 MEMBERS THAT OFFERED HELP. howie was correct about the harness rubbing on the lf control arm mount but had not damaged the wiring yet, so we fixed a future issue which is always good.The actual issue was a large braided ground strap that g... Trouble codes: U1064, U1016, U1000, B1420, C035/.
2006 Saturn Vue 2.2L Mechanical VIN: 5GZCZ33DX6
Thanks to all that healped. Both seal that leaked was aftermarket. I ordered a dealer seal and was much softer that the aftermarket and the lip was slightly longer. After installing the dealer seal. Extensive road test. Deliver to customer, its being 3 weeks n...
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