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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 20, 2014
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Open Help Requests for GM
Help Request Answers
2004 Buick Rendezvous CX 3.4L Starting VIN: 3G5DB03E54
This vehicle is drawing the battery down at approx.3 month intervals,the first time it happened it was driven and parked for about 3 hours and it wouldn't start,replaced battery with new and done fine for 2 months and had to be boosted,recharged battery,load t...
1994 Chevrolet Blazer 5.7L Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GNEK18K8R
3 days ago when starting it was not running on all 8,drove 3 miles to get gas when restarting was fine,drove home shut off when restarting noticed shut off restarting half the time it would fire up rite other half would miss,now it will start fine about 1 in 1...
1996 Chevrolet Blazer 4.3L belt VIN: 1GNDT13W0T
thanks to all for any help.the serpentene belt is making a noise.customer install new belt and said it seems a little louder now.belt tensioner seems ok.looks like the alternator has been replaced.has anyone seen a noise issue.thanks again jim
2004 Chevrolet Silverado 2500 HD 6.6L Hesitation, Misfire VIN: 1GCHK23264
Truck has a tip in throttle hesitation. Basically it idles good great awesome does not skip a beat. Runs well at wot and/or just gettin it... not pussy footing around!. Seems to bobble a bit during light acceleration not to bad but will run bad and smoke like ...
2006 Chevrolet Impala LTZ 3.9L MIL Lamp on VIN: 2G1WU58106
We have this car keeps setting code po171 lean bank1 smoked test engine for vaccum leaks none found fuel pressure is 70 psi.o2 sensor is swithching.i tested mass air flow sensor looked ok but with mileage i decided to install one but no luck.road testing the c... Trouble codes: P0171
2000 GMC Jimmy Diamond Edition 4.3L blower /headlights VIN: 1GKDT13W5Y
jimmy runs fine, no gas gauge, battery light on but charging ok abs light on , air bag light on blower motor runs with key off somtimes,secrity light on blinking but somtimes on stedy canot communication with all module,s all fuse,s ck good unpluged bcm stll s...
2006 Hummer H2 6.0L transfercase VIN: 5GRGN22U16
This H2 came in complaining about the truck binding after turns. We confirm the problem, after making a left or right turn when driving on the road it binds up as if the brake is applied . When it gets up to 30mph straight its fine. We replaced the front and r...
1967 Pontiac Tempest 5.3L transmission pang gasket VIN: 235697K102
Dear Gear-Heads ... HELP!!! Got this 67 Tempest in for a leaking Trans Pan gasket. No big deal, right? Ordered the gasket (took a week), pulled the pan off, go to put it back on and...oops!!! I cannot find the Torque Specs ANYWHERE; not even the local trans s...
2007 Pontiac Torrent 3.4L Door Locks, Cluster VIN: 2CKDL63F67
I have a 2007 Torent that the doors lock and unlock on thier own, the stabilitrac light is on and the gauges fluctuate. There were 22 different codes stored in varous modules. Cleared all history codes and the code that comes back U0073 is for GMLan high speed...

Fixes & Summaries for GM
Fix/Summary Answers
2008 GMC Savana 1500 5.3L Engine VIN: 1GTFH15458
After hours of testing we took the advice of several replys and replaced the throttle body. Customer happy and driving. Thanks for everyones help. al
2002 Oldsmobile Intrigue GX 3.5L block
It was a real struggle but finally got the inserts tapped into the correct bore lengths. The block is close to the firewall and it was nearly impossible to get the special drill bit into those holes. The drill bit is for 1/2" drive. We ended up taking the b...
2000 Pontiac Grand Prix GT 3.8L Misfire, MIL Lamp on VIN: 1G2WP52K5Y
thanks for all the replies we checked cam lift on all cylinders and they were all equal also checked for bent rod and it was fine checked lifters and they were fine we checked intake leaks none found we don't no what is causing miss at idle only on #4 we think... Trouble codes: P0300, P0304.
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