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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 12, 2013
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Open Help Requests for GM
Help Request Answers
2005 Buick Rainier CXL 4.2L Rear Air D Height VIN: 5GADT13S85
Thanks to all, We have this 2005 Buick Rainer all wheel drive that is leaning to the right. We have found that the rear D height is off about an inch. we recalibrated the rear air spring level sensors. that did not fix the problem. the compressor seems to rai...
1984 Chevrolet Corvette 5.7L dash cluster VIN: 1G1AY078XE
Sending one out to all the Corvette gurus in the audience. Got a 1984 Corvette that was brought to us for a dead digital dash cluster. Located a used cluster and installed. The dash now works but is not on very brightly. When you first turn on the key it's nic...
1994 Chevrolet K3500 5.7L Cuts out VIN: 1GBJK34K3R
Hello and thanks for your help in advance. Im having a really hard time with this truck. My father sold the truck and while being driven a long distance with the plow on the guy cooked the motor. I replaced the motor with used a used one. Truck idles and runs ...
1999 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEK13R7X
help!! Trouble codes: P1336
2006 Chevrolet Colorado LT 2.8L Stall VIN: 1GCCS14836
vehicle came in with misfire and low compression on #1.we replaced the head and after 30 minutes with hood closed vehicle drops idle at random.no problems with data or communication.with hood open takes 3 or 4 hours before problem shows up.no codes all monitor...
2008 Chevrolet Colorado WT 3.7L Engine Compression VIN: 1GCDT19E38
Thank you for your help on this one. At first it looked like simple timing chain issue but now that we have the valve cover off, we can see that the cams are lined up when we have the #1 piston at top dead center. We are pulling the front timing cover off righ...
1993 GMC K1500 Sierra SLE 5.7L Pump gear breaks VIN: 2GTEK19K4P
Thank you in advance for any help. Customer brought vehicle in because it was shifting very hard. We found metal in pan and the fluid was burnt. We recommended replacement with the transmission being rebuilt. We got the transmission back and installed it. Cust...
2006 GMC Envoy XL Denali 5.3L Power Steering VIN: 1GKET66M56
Hello, What I have is a power steering whine over 3500 rpm, and it's loud...sounds like a supercharger. History is as follows; Customer was talked into a fluid flush at a local fast lube, since then p/s whined at idle and turning. We changed fluid to oem but...
1998 Pontiac Firebird Formula 5.7L Cuts out VIN: 2G2FV22G4W
Car had fuel pump replaced at a another shop about 1 year ago. customer said it ran good for 1000 miles or so. now it falls on its face @ 2500 rpms. fuel pressure is low. if i block the return line from the pressure regulator it has 85 lbs. So i replaced the r...
2003 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 1G2WP52K23
This thing shows misfires on 1+4 around 3,000 RPM, but misfires not felt. Tried a module, swapped coils, and plugs, tried new ignition module, no change. It will flash the SES when driving, in shop shows misfires on scan tool, but no flashing SES. Checked patt... Trouble codes: P0300 (Misfire), P0404 (EGR feedback signal out of range)

Fixes & Summaries for GM
Fix/Summary Answers
2007 Cadillac DTS L 4.6L rear air lift VIN: 1GEEH06Y67
thanks to everyone that responded -after scoping data lines & getting no where ended sending this one to dealer.I am waiting to hear from customer what the actual problem was. I do not at this time know what they found, when I find out I will add to this post ...
2000 Chevrolet Silverado 1500 4.3L Electronic VIN: 1GCEC14W6Y
thanks to all the tech who spend time helping me with this one. i know i was dealing with a broken wire on the secondary ignition but did not pay enough attention on my wiggle test but went back on my wiggle test with another test with another tech checking on...
2005 Chevrolet Silverado 2500 HD 6.6L wont run egr monitor VIN: 1GCHK23265
Well thanks for the responses. I am sorry this took so long but I just got the truck back today, the customer needed it. I checked to verify if the egr monitor had run it still said not ready in the readiness status of my genesys. then I looked under mode 6 an...
2006 Chevrolet Silverado 3500 LT 6.6L MIL Lamp on VIN: 1GCJK33D36
We have fixed this truck. It was the connector that was bad at the injector. One of the biggest lessons that I learned while working on this truck was that when the module sees a problem with the injector circuit it shuts that circuit down for that key cycle a... Trouble codes: P0205 (Cylinder 5 injector circuit malfunction).
1993 GMC K3500 Sierra SLE 6.5L transmission, abs VIN: 1GTHK34F1P
well guys, I was not able to blow the fuse in the rendundant circuit during any test drives. just like a short just does it when it wants to. it will probably show it's ugly head again but for not the customer is driving around smiling and life is good!
2001 Oldsmobile Intrigue GL 3.5L running VIN: 1G3WS52H31
thanks guys i changed out the ignition switch so far so good when i took it out looks like someone else has already been in there they must of took it apart and lost or broke something idk but could tell that someone has had it out thanks again
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