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Prev Professional Automotive Repair Technical Discussions for October 28, 2013
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Open Help Requests for GM
Help Request Answers
1998 Chevrolet K1500 Cheyenne 5.7L oil pan VIN: 2GCEK19RXW
this is my own truck, so it makes it even worse. I noticed a small leak at the rear of the engine oil pan, so i replaced the oil pan gasket with a aftermarket gasket. After running for about 20 minutes i seen it leaking from the front saddle area, where it nev...
2001 Chevrolet Malibu LS 3.1L Engine VIN: 1G1NE52JX1
Hello all thanks for reading, i could use some advice here, this car will not idle when cold , but if the pedal is held in 5 minutes it will idle fine and run good until it gets cold, i changed the IAC motor due to some wild reading on the scanner, cleaned the...
2005 Chevrolet Express 2500 6.0L Steering VIN: 1GCGG29UX5
Van came to us with complaint of a vibration around 45-52 mph.They had it to other shops and had new shocks,pitman arm.idler arm and alignment.Tires balanced and rotated and brakes looked at.We had replaced the gearbox 1 year ago because it was leaking.After u...
2007 Chevrolet Tahoe LTZ 5.3L Unknown VIN: 1GNEK13057
hello fellow techs,this one's for the gm audio techs.this tahoe came to me friday.did'nt have alot of time left in the day to's the problem;came in won't shut off with key.had to pull fuel pump relay.customer said ever since he had this new after...
2009 Chevrolet Traverse LS 3.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNEV13D69
This vehicle came in with heavy, fuel rich exhaust smoke and steady misfires on cylinder #5 that appear to be due to a stuck-open #5 injector. We've never had to replace a Direct-Injection type of injector yet and are wondering about the tricks and traps of d... Trouble codes: P0305, P0087 (Fuel Rail pressure low), P02AD, P0191 (Fuel rail pressure/performance), P0134 (02 circuit no activity B1S1)
2010 Chevrolet Traverse LT 3.6L Misfire, MIL Lamp on, No power VIN: 1GNLVFED9A
Customer called me yesterday stating that while just driving along,the stabilitrac light and check engine light came on together,along with messages on dash for reduced engine power and service stabilitrac.after she limped home,she said it would not start for ... Trouble codes: P2101 (Throttle actuator performance), P0338 (Crank position sensor), P2138 (Throttle/pedal position sensor), P0698 (Sensor reference voltage c circuit low), P0602 (Ecm/pcm processor), P0335 (Crank position sensor a circuit)
2003 GMC Envoy SLT 4.2L abs VIN: 1GKDT13S13
We got this truck back in August for PA state inspection. He already had done all rotors and calipers himself. He could not get system bled so asked us to do that. He also stated that the ABS would activate just as truck would come to a stop. We verified all h...
2006 GMC Canyon SLE 2.8L Engine VIN: 1GTDS19896
Hi guys i need some help with this one i rebuild this engine on this little pick up and car runs fine but it has a rough idle condition when it starts first thing in the morning it only lasts for 30 to 40 seconds and then it will run fine till it sits for awhi...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Express 3500 LS 5.7L Poor Idle Quality, Misfire, Low power VIN: 1GAHG39R9X
Alright guys, I am speechless at the responses I got... I appreciate all of your time and energy spent to share you knowledge and give me some great suggestions. Ultimately time has been limited to get back to this and really spend some time focused on it, al...
2002 Chevrolet Impala LS 3.8L right axle seal leaking VIN: 2G1WH55K72
First off thank you to the people who actually responded with possible fixes. I ended up replacing the axle extension housing and seal with new GM parts and replacing the CV axle with a NEW aftermarket axle. So far with about 200 miles on it there is no le...
2003 Chevrolet Suburban 1500 LS 5.3L Engine Misfire VIN: 3GNFK16T03
Thanks for all the replies. I looked at the vacuum at cranking and Idle . I got 0 at cranking and 14 at idle. Now I jst took the Left front O2 sensor Out and Misfire counter went to 0. Left cat was Plugged.
2010 Chevrolet Aveo LT 1.6L Hesitation, Stall VIN: 3G1TC6DE6A
Thanks to all.We drove car until codes set .Cust had forgot to mention her son was trying to fix car and had cleared codes before we got it.It cam up o2 codes so i checked per craigs info on o2 sensors per pi.When watching 02 sensors the upstream would stay hi...
2001 GMC Sierra 2500 SL 6.0L brakes VIN: 1GTHK24U31
to all that replied thanks. The fix was very simple and most of you techs hit right on it. The mounting surface had a 1/16th build up that looked like part of the knuckl. Thanks again guys!!e
2009 Saturn Outlook XE 3.6L airbag code VIN: 5GZEV13D29
Thank you to all the folks who sent information on this Saturn. The customer took the car and will return it at a later date. I will check the connector under the driver seat first when it returns by the bulletin that is on this vehicle. Thanks again to everyo...
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