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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 6, 2006
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Open Help Requests for GM
Help Request Answers
1995 Buick Riviera 3.8L No Start VIN: 1G4GD22K8S
This one has been quite troublesome for me so maybe you can offer some good advice on this one. I purchased the car with a no start problem. He said the car started to run rough and then just would not restart. When I purchased the vehicle I found what I thoug...
1992 Chevrolet Cavalier Z24 3.1L No Start, Stall VIN: 1G1JF14T1N
this car has a no start and it dies condition after it has been driven 15 to 20 min. i could never get it to act up. so i put an igntion module in. next day customer calls and sayes still doing same thing. put scan tool on in an attempt to capture the event. s...
1997 Chevrolet Camaro 3.8L Stall, Misfire VIN: 2G1FP22KXV
this camaro belongs to one of my cousins, it will quit intermitently, it has only quit for us once while making a left turn, it is recording random missfires on all cyl, but just a few at a time[3-4] also, technician Ron said that the m,a,f, shows 300+ grams p... Trouble codes: P0300
2002 Chevrolet Suburban 1500 LT 5.3L parking brake VIN: 1GNFK16Z42
Hello fellow techs - the parking brake pedal goes to floor and does not lock the wheels - removed rotors - shoes new and adjusters free - could the cables be streached or am I missing something - thanks
2003 Chevrolet Express 3500 6.0L high idle VIN: 1GDJG31U13
Vehicle came in with high idle. When started the idle is fine for less than 1 minute then it starts to raise. It gets to @ 2100 then stays there. I have fixed a vacuum leak at the fuel pressure regulator hose. While smoke testing for vacuum leaks I found the i... Trouble codes: P0507 (rpm idle high)
2004 Chevrolet Silverado 2500 6.0L n VIN: 1GCHK29U74
This vehicle was brought over yesterday for a stalling problem. I have cleaned the throttle plates, I have run sea foam through the intake plantim and also put a can in the gas tank. There is NO service bulletin on this truck, sometime the truck starts fine, s...
1997 GMC Yukon SL 5.7L Cuts out VIN: 1GKEK13ROV
looking for some insight. we have been working on this truck for a few days now and are completely lost on where to go next. either sitting still at idle or test driving (speed or load makes no difference) the truck cuts out and bucks, sometimes worst than oth...
1997 GMC C1500 Sierra GT 5.0L heater core VIN: 1GTEC14M3V
new japer engine 3 radiators 26 heatcore no electrolosys .02v
1998 GMC Jimmy Envoy 4.3L ignition switch VIN: 1GKDT13W4W
I can not get the key to turn back enough to get it out. Checked all the fuses to make sure they were good. Put in a new ignition switch, still no fix. Also checked on the scanner to see if the neutral safety switch is working and it appears that it is. The ar...
1999 GMC Yukon Denali 5.7L low or no pedal VIN: 1GKEK13R7X
This vehicle has had an intermittent problem with the brakes for a while- the complaint is, the brakes go to the floor at random times- usually at stop signs, or when going into the garage. Once at the end of an exit ramp. Every time I get it after an "episode...
1994 Oldsmobile Achieva S 2.3L Head Gasket VIN: 1G3NL1536R
Please help me GM Techs. I have this 94 quad 4 that came in year and 5 months ago now for an oil leak. Found head gasket leaking, removed head, new gasket, had head plained, crack checked, and pressure tested. Block has very little warp (maybe .0015 at most). ...
2003 Oldsmobile Alero GL 2.2L No Start VIN: 1G3NL52F03
1997 Pontiac Trans Sport 3.4L air flow out vents VIN: 1GMDX03E2V
going to remove plenium and look for broken door spring
1999 Pontiac Grand Am SE 2.4L security VIN: 1G2NE52T9X
We have replaced the ignition lock cylinder due to a no start condition. Codes in computer wer 1630-1631-1632. WE relearned for new cylinder , cleared all codes, car starts & runs fine, but security light on dash will not go out.
2000 Pontiac Bonneville SE 3.8L Stall, MIL Lamp on VIN: 1G2HX54K8Y
thanks in advance for any help. this one was towed in to us and was a no start. vehicle was on road and stalled on customer and wouldnt start. we pushed it in and p0101 came up with the scan tool. cleared codes and it started and ran for a half hour. unfortune... Trouble codes: P0101 (Mass Air Flow Circuit Out Of Range)
2001 Pontiac Grand Am SE 3.4L run VIN: 1G2NF521E1
Is there any way of bypassing the [...] system completely at the customers request, or does the customer have to replace the entire car to fix the security?
2002 Pontiac Bonneville SE 3.8L Intake Manufold VIN: 1G2HX54K12
Gentlemen: My first encounter with leaking upper intake manifolds was with a 1995 Bonnevile with VIN K engine. Coolant was found on top of the lower manifold and outside the upper plenum. My latest encounter is with this 2002 Bonneville...same engine, VIN K. W...
2002 Saturn LW300 3.0L oilsystem VIN: 1G8JW84R72
we have an oil leak onn the front of engine and after pulling front cover it is dry. the top electronics attached to timing cover we on the under side. not able to locate leak. help!!!

Fixes & Summaries for GM
Fix/Summary Answers
1998 Cadillac Catera 3.0L brake pull VIN: W06VR52ROW
Merry Christmas. When I got home last night and checked the replies I had two. Both suggested to check front end for loose parts. When I got to the shop this morning that is exactly what I did and low and behold, the lower control arm bushings were horrible. T...
1997 Chevrolet S10 LS 4.3L Starting VIN: 1GCCS19X8V
Thank you to all who replied I can't believe I missed this one it was as everyone suggested the ignition switch causing my problem. I have seen this type of failure on several cars but this is the first truck.
1999 Chevrolet K2500 Suburban 6.5L MIL Lamp on VIN: 3GNK26FXXG
this vehicle has several problems going on in fuel system but did not show up at 1 time. our research shows that gm has had a lot of problems with this fuel system design. we replaced the fuel injection pump to correct problem but we installed 3 different pump... Trouble codes: P0251.
2002 Chevrolet S10 4.3L headlights VIN: 1GCCT19W92
I fixed this problem by readjusting the headlights and replacing the standard bulbs with the napa brand britelites thank you to all who took the time to reply
2003 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1G1JC52F13
the customer ha been supplying us with warranty plugs that were bosch plat. splitfire plugs. after putting factory a/c delco plugs and checking wire harness and found no problems, I put the vehicle back together and so far no return. untill the vehicle came ba... Trouble codes: P0300 (multiple cyl. misfire).
2003 Chevrolet Silverado 2500 6.0L first gear only VIN: 1GCHC23U73
I am going to close for now, i am still waiting for aproval to repair [goverment truck]. I received 6 replies and four pointed to the planetary gear set [same as our trany shop], most likely the rear one. Richard actually said to try it in reverse , if it make...
2002 GMC Sierra 2500 HD SL 6.6L Hard Starting VIN: 1GTHK29162
Thank you for the help, after the reply about it still being under warranty, i sent it to the dealer and they found that the truck had 2 bad injectors, i guess its the dealers policy is to replace all 8 injectors, and they did that and the truck starts good no...
2003 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GTEK19T23
Thanks for everyone who replied to this help request. I came in this morning to Clarence (my tech sharing this headache with me) performing a dynamic compression test on this engine & no sooner did a have time to go into the office view my Emails & print off s... Trouble codes: P0300 (Random/Multiple cylinder misfire).
1999 Oldsmobile Bravada 4.3L diff VIN: W0X2715495
thank to all the tech who respond to problem i check the transfer case the oil was red i change it it's ok.
1995 Pontiac Firebird Formula 5.7L Differential VIN: 2G2FV22P2S
I did do a tooth pattern and set the backlash to spec. When i first set it up . Then I changed them alittle, It would change the noise some but would not take it all away. I will try to talk the customer into factory unit. Thanks for all the help, Rick
1997 Pontiac Grand Prix GT 3.8L Heater blower motor and day time running lights VIN: 1G2WP52K4V
You guys hit it on the head with the ignition swicth. I started to remember the ignition being a problem back when I used to work at the dealership. Thank you all very much for the input. The customer is very happy and satisfied. Have a very MERRY CHRISTMAS an...
1997 Pontiac Grand Prix SE 3.8L Horn VIN: 1G2WJ52K6V
Spring replacement arrears to have FIXED this vehicle. A well stocked Ace Hardware has a spring assortment that can't be beat and the the fix was rather simple. I didn't/couldn't get 'spring rate' specifications from GM, so I let my common sense make the choic...
1995 Saturn SL1 1.9L shifter VIN: 1G8ZH5280S
we replaced the BTSI Solenoid(shift lock release solenoid)and it shifts fine now. thanks for all the help.
2000 Saturn LS2 3.0L Oil cooler VIN: 1G8JW52R8Y
Thank you to all the replies. I asked because I didn't want to unbolt the oil cooler and have it fall in somewhere, It doesn't fall in. I did strip out the oil cooler so a new one is on the way. I'm calling this a fix since I got waht was needed. Here's the ...
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