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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 2, 2010
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2001 Buick LeSabre Limited 3.8L Front Control Arm Bushings VIN: 1G4HR54K21
01 Lasabre pulls right or left when brake applied. Align close however front control arm bushing passenger side worn. Rotor and PADS replaced. Caliper seems ok.Can't find new replacement bushings, no listing including dealer, only complete control arm, very ex...
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2006 Cadillac CTS 2.8L shift indicator light VIN: 1G6DM57T36
Customer is having an issue with the gearshift light not working. From what we can find, the gear shift light and the power window switch lights are inop. The dash lights work just fine & dim like they are supposed to. My tech is telling me it needs a computer...
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1994 Chevrolet Blazer Silverado 6.5L Cruise control will not engauge VIN: 1GNEK18S0R
Customer complains of crusie control not engauging. The main problem I am finding is all of the wiring scramatics are for a diesel that has a cruise control module.. This blazer does not, its controled by the pcm. I have replaced the cruise stalk with new, new...
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1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Surge VIN: 1G1JC1242V
Car was brought to me after suddenly started revving engine as soon as started and all the time. Checked for codes and only found ones the customer had caused by unplugging various sensors. Checked with scan tool and found the map would never change, checked p...
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1999 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1G1JC5243X
I received this car with a cylinder #2 misfire, replaced plugs and wires, vehicle ran smooth at times, and then would intermittently misfire. Set code for cylinder #2 misfire (P0302), replaced ignition coil, same problem and set the same code again. I've done ... Trouble codes: P0302
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2002 Chevrolet Impala LS 3.8L gas gauge VIN: 2G1WH55K62
gas gauge is pegged at the full mark. pulled the tank and removed the sender, swept the float and on my snap on scanner the percent goes to o percent at the low end and to 107 percent at the high end. It does this with the original sender and with a delco repl... Trouble codes: P0463 (fuel level high)
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2003 Chevrolet Corvette 5.7L No Start, Cuts out VIN: 1G1YY22G83
This vehicle has a modified engine, and calibration. Both were performed over 2 years ago. The car has been running fine since. Earlier this year, I hear from the customer that upon trying to start it, it stalled and set these 2 codes. We tow the car in and t... Trouble codes: P1518 (Throttle Actuator Control Module Serial Data Circuit), P0606 (Internal memory fault)
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2004 Chevrolet Tracker 2.5L timing VIN: 2CNBJ13494
Our shop is working on 04 Tracker with broken timing chain: 1- Check for bent valves, we thought about replacing chain and do cyl. leak test. How did you do at your shop? 2- Did any shop use aftermarket timing sets? Where did you buy it? Any comments? (OE 6...
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2006 Chevrolet Impala LT 3.5L theft deterr VIN: 2G1WT55K66
Im felling really stupid on this one- was doing an alignment, had to walk away for a while to do other things and left my brake pedal depressor on, battery went dead. charged battery, car started but had service theft deterrant system message, pulled codes and...
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1987 GMC R1500 5.7L Poor Idle Quality, Stall, high idle dies in ge VIN: 1GTGV24K1H
high idle timing right on fuel pres good changed iac and temp sensor idle remains high and dies as soon as it is put in gear
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2004 Saturn Ion-1 2.2L door locks horn VIN: 1G8AZ52F24
I have this saturn ION in that has a problem with the door locks and horn. I can not duplicate the problem, but costomer says the door locks will lock and unlock like you are pushing the button. the horn will also honk when the door locks are on the fritz. say...
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Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Regal 3.8L oil leak VIN: 2G4WD52L5S
thanks for all suggestions. Checked crank end play and pcv system all good. replaced oil pan gasket and put sleeve on balancer even though could not see problem with either. let run on lift during lunch hour, no leak drove 15 miles put on lift, let sit 1 hour...
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1996 Chevrolet S10 2.2L engine VIN: 1GCCS1442T
alright guys this was a simple fix after the long struggle someone had put a head on theis trucjk and on the back of it where the egr plate bolts 2 the used the wrong gasket replaced gasket with right one truck runs perfect thansk for all the help
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1997 Chevrolet Venture 3.4L No Start VIN: DG687230EV
the wire to the coil pink it was discolored about 8 inches back we ran a new one from fuse box must have broken in side cover
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2004 Chevrolet Silverado 2500 HD 6.0L All lights pulsate off idle VIN: 1GCHK23U54
I did manage to get to the battery cable grounds and clean them, but still same problem. Did voltage drop test again on pos and neg cables, and they tested good again. I looked for a diode in the underhood fuse box like Ennis suggested, but there were none the...
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2008 Chevrolet Express 2500 6.6L Starting VIN: 1234556667
thank youboth of course its been taken before i had a chance to do it but i will know in the future what to do this is such a great tool the only thing shop key and all data said was hook up teck 2 basicaly so thank you all again troy
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2006 GMC Envoy Denali 5.3L engine VIN: 1GKET63M86
THANKS FOR ALL THE REPLIES GUYS THERE SEEMS TO BE A CONSENSUS ABOUT THE IGN. SWITCH. CUSTOMER WAS OUT OF TOWN AND HAD TO RETURN HOME REPEATED EFFORTS WITH THE KEY GOT HER GOING. I Have another vehicle with the same problem will apply this info to that car
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2006 GMC Yukon SL 5.3L Transfer Case VIN: 1GKFK16Z16
Yes, it was without a doubt the Encoder Motor. The customer originally complained that a couple of weeks prior to this it was making "funny, clunking" sounds every once in a while on turns. I didn't think too much about it at the time. However, I watched the V...
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1994 Oldsmobile 88 Royale LS 3.8L Poor Idle Quality, Cuts out VIN: 1G3HN5218R
thanks to all that replied to my problem. I recieved many suggestions to check the balancer or related areas, so I tried running without accessories (took belt off), didn't help. I removed balancer and found where the installer hadn't lined up the woodruff key...
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1997 Pontiac Grand Prix SE 3.8L car dies VIN: 1G2WJ52K3V
ok took alot of your alls advice replaced the module the car hasnt done it sence thansk for all the help
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2003 Pontiac Aztek 3.4L knuckle VIN: 3G7DB03E73
Thanks for all the help. This was one of those issues that was as simple as it looked. GM still as of this date has you replace the complete knuckle. We obtained the new bushings from NAPA. They came with the correct size driver and we used our OTC ball jo...
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2004 Pontiac Grand Prix GTP 3.8L Poor Idle Quality, Misfire VIN: 2G2WR52404
Thank you for all your assistance. The solution was replacing the crank sensor. You all are great! Jack
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