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Professional Automotive Repair Technical Discussions for December 18, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Buick Park Avenue 3.8L Exhaust VIN: 1G4CW54K33 Customer complaint is when starting there's a loud humming noise which sounds like muffler is bad too me it sounds like exhaust is rubbing/humming in car but not all the time will go days without almost as if you have an exhaust hanger tight to the car Runs fi... |
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| 1995 Chevrolet K3500 Cheyenne 7.4L Cuts out, Misfire VIN: 1GBJK34NXS After running for a couple of miles hard/heavy load the truck will miss fire and the hotter it gets the worse the miss fire gets. One year ago a miss fire complaint happened and another shop put a distributor in it. When the truck came back we got the distribu... Trouble codes: 32 (egr system fault) |
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| 1996 Chevrolet S10 2.2L no low gear VIN: 1GCCS1449T We got this truck in a basket: no engine, wires hanging everywhere, PCM in the seat, and were asked to make it go again. My partner is working on this unit: found a used engine and installed. Put the wiring back in place on the engine, and it runs fine. But no... |
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| 2000 Chevrolet Silverado 1500 5.3L Starting VIN: 1GCEK19T4Y hello guys,I have a mystery battery drain happening on this truck. Intermittently,the battery will be low on power after an overnight sitting or completely dead after a few days. It is intermittent. We noticed a couple of times that after taking key out, open ... |
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| 1999 GMC C3500 Sierra SL 5.7L No Start VIN: 1GDJC34R8X Fuel pump runs but shows 20psi at the test port up front. Truck runs briefly on a shot of ether. So spark ok. I can hear the fuel pump running and fuel shooting back in the the gas from the return line. Question #1: This is a Vortec, so if the "Spider" fuel in... |
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| 2003 GMC Envoy XL SLE 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKES16S63 This truck came in with the check engine light on with a p0306. At first customer said he wanted a tune up but realized that the misfire should be checked first. I swapped coils and plugs and miss remained on #6. Put a vacuum gauge on it and had a nice steady ... Trouble codes: P0306 |
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| 1994 Oldsmobile Bravada 4.3L No Start VIN: 1GHDT13WXR Im working on a 1994 Bravada with a 4.3L engine. I have replaced the Fuel injector assy 4 times. in past 4 years. the car came in for a hesitation and hard starting. I asked the customer if he is using cheap fuel. He says he only uses Chevron. Has anyone had t... |
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| 1999 Pontiac Grand Prix SE 3.1L blower motor VIN: 1G2WJ52XXF Going to my uncles for the holidays and want to help him with this problem. I convinced him to take the car to another shop as he has been charged for two new blower motors and still has an intermittent non-op of blower. New shop could not duplicate the proble... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Cadillac DeVille d'Elegance 4.6L steering VIN: 1G6KE54Y3W the customer has not returned due to lack of funds, i wanted to check the resovoir to look for fluid bottle foils. after i posted i remembered a similar issue i had years ago, you guys and gals have sparked my memory. thank you for all the replies i wish i had... |
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| 2003 Cadillac Escalade 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GYEK63N43 Huge THANKS to all who offered help, I learned a lot about this particular motor and it's idiosyncrasies. I was hesitant initially to pull the cam as Alldata stated 12 labor hours were involved. My Cornwell dealer mentioned the trick of removing spark plugs,... Trouble codes: P0300 (Random Misfire), P0304 (Misfire Cyl. 4), P0305 (Misfire Cyl. 5). |
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| 1995 Chevrolet K1500 Silverado 5.7L down shift, 3 & 4 gear VIN: 2GCEK19K6S As I come to find out, the transmission just crapped out. My tranny guy and I tore it down and inspected every piece and part as we went. The sunshield was fine as was the pump and all the other hard parts. The bands, steels and clutches were just wore slap ou... |
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| 2000 Chevrolet S10 4.3L transfer cas VIN: 1QRJKLKKKK It seems like it's Encoder motor, you can hear it trying to kick in, but not quite. Thankyou it seems like this is a very common complaint. The front axle seems ok and working correctly. The customer does not have $600.00 at the moment so we are on hold until ... |
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| 1999 GMC Jimmy SLT 4.3L temperture blend door VIN: 1GKDT13W3X first of all, Thank you to all who replied, Gene,Warren, and Bill all suggested that blend door may be stuck, James had a suggestion, which i havent followed up on, since it came after actual fix of veh, but thanks to him for his reply, we finally fixed veh, ... |
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| 2000 Oldsmobile Silhouette GL 3.4L Hesitation, Surge, Cuts out, Stall VIN: 1GHDXO3E4Y well i found that the last shop that worked on the van did a very poor job of fixing it. the wiring harness from the module to the crank sensor on the back of the block was burned due to being routed on the exhaust. installed and correctly routed new harness a... |
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| 2001 Oldsmobile Alero GLS 2.4L No Start VIN: 1G3NL52T41 Thanks to everyone that replied. We found two things. There was a bad connection right at the fuel pump connector even though everything looked good. We replaced the wiring harness from the rear seat to the pump. We also cleaned and tightend the grounds at the... |
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| 1998 Other GM h1 6.5L Unknown VIN: 137ZA8332W Thanks for the responses this one was my fault i made the assumpton that the tech did a proper trans service. not the case the transmission was down over a quart on fluid. Thanks for the help, this one is a reminder to me to always look at the basics and never... |
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| 1996 Saturn SL2 1.9L MIL function VIN: 1G8ZK5272T What a great group we have here. Thanks for all the replies. I took the advice & checked the plugs-NGK's .020 undergapped. Put in a set of AC Delcos w/ a new set of plug wires. Through careful observation it was noted that inserting key in lock cyl & cycling ... Trouble codes: P0341. |
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