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Prev Professional Automotive Repair Technical Discussions for November 12, 2012
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Open Help Requests for GM
Help Request Answers
2005 Cadillac STS 4.6L right side valve cover VIN: 1G6DC67A95
Customers complaint is ticking noise from engine, noise coming from right side valve cover center, removed cover and all lifters and rockers felt tight, cams not worn although noise happens after warmed up and by the time you get cover off cools down, engine i...
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1999 Chevrolet Tracker 2.0L Unknown VIN: 2CNBE18C4X
auto is like new. has terrible vibration while running. removed alt/ a/c belt goes away. can't figure out whats making it vibrate. no engine noise, no codes. give it a little gas it goes away. in gears it vibrates very bad. seems worse in reverse
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1999 Chevrolet Malibu 2.4L Engine VIN: 1G1ND52T2X
Owner of vehicle said car stalled out and started acting funny after vehicle was re-started. It threw codes that prompted customer to replace TPS, crankshaft position sensor and fuel pressure regulator. He also installed new plugs and upstream oxygen sensor an...
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2001 Chevrolet Suburban 1500 5.3L transmission VIN: 3GNFK16T41
After installing the jasper transfer case we drove the truck around the block and it was very noisy.The noise was coming from the new transfer case.We removed the decoder motor and installed the one from the original transfer case and the noise is almost gone....
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2004 Chevrolet Monte Carlo SS 3.8L Blower motor @ Radio VIN: 2G1WX12K34
Vec came in with Blower motor and Radio intermitant inop when hitting bumps works fine this morning.Looked to see comand aera in elec. digrams found comand ground G203. locator I have does not show a good pic to inspect I found G201 and G202 clean and tight.Af...
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2004 Chevrolet Express 2500 4.8L ABS Module VIN: 1GCGG25V34
Sorry in advance, this is going to long but I want to be as thorough as possible. Complaint: ABS lamp on and intermittent instrument cluster operation. Here is what I have found and done so far. ABS history codes C0035 and C0040. No current codes. Codes will n...
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2005 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AL52F55
Car came in with starter not engaging and engine wouldn't turn with breaker bar on crank pulley bolt. Checked timing chain and it wasn't broken or loose. Next I removed the starter and found some sort of metal plate wrapped around the flywheel teeth, keeping t...
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2007 Chevrolet Aveo LS 1.6L horn VIN: KL1TD56657
Tried locating the horn relayunder the dash I cannot locate. Is the relay under the dash or inside the fusebox? I was going to wire an external relay for the horn but inspecting the harness for the horn button indicates the circuit flows thru the airbag module...
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2008 Chevrolet Cobalt LT 2.2L air bag VIN: 1G1AL18F98
we have this 2008 cobalt with 2 codes p0019 and b0020 -04 pasenger frontal deployment loop stage 2 open circuit.we find the codes with the explaination but no links to the flow charts for repair/diagnosis. does any body have a flow chart or know a link so we c...
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2011 Chevrolet Impala LT 3.5L seat adjustment VIN: 2G1WB5EKXB
This is my wifes personal vehicle. I was driving it 2 days ago and a rear seat passenger asked if I could give her some more leg room. When I moved the seat forward the engine stalled. This was while going 50 or 60 MPH!. Put in neutral and restarted OK. After ...
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2006 Hummer H3 3.5L Starting VIN: 5GTDN13666
thanks in advance for helping with this problem child. The car came in for an update, so we started to do the flash and it failed to download and then lost comm. with pcm. Tried new pcm and tried to programm new pcm with no sucess and the check engine light wi...
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1996 Oldsmobile Aurora 4.0L No Start VIN: 1G3GR62C9T
Greetings to all, this Aurora came in orginally running poor, began misfire testing, cleaned & swapped a few spark plugs for testing purposes, misfire seemed to go away. Went to road test and now no start, cranks okay, has fuel pressure and spark, no injector ...
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2006 Pontiac G6 3.5L Evap monitor VIN: 1G2Z558664
I can not get this car to run its evap monitor, it has the proper amount of fuel and have ran the drive cycle as factory specs on a dyno, all other monitors have men and im trying to smog this car but in california there is a grey area where it can affect your...
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick LeSabre Limited 3.8L No Start VIN: 1G4HR53L1N
Thanks for all the help guys! I found that in the past there had been a broken serp belt. The belt had slapped the wiring harness going to the cam sensor & the bare wires were shorted together. I repaired the shorted wires & that fixed the problem. Thanks,Bill
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1999 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1GCEK14T3X
well thanks for the replies on this . truck would not start this morning hooked up fuel gauge and had nothing had 50 the other day . so banged on the tank got it to run and hooked up the scope to the pump and it was all over the place. replaced the pump and ru... Trouble codes: P0102.
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2004 Chevrolet Colorado LS 3.5L 4 wheel drive VIN: 1GCDT13694
Thanks for everyone's help. I had the truck out the door for good. I replaced with a new 2/4 switch and it did the same thing. Recheck the 2/4 switch and check the neutral switch; both were grinding off a little portion around the ball end area. Call dealer ...
13
2008 Chevrolet Impala LT 3.5L Mode Door Actuator VIN: 2G1WT55NX8
HI, EVERYONE. I LIKE TO THANKS ALL OF YOU GUYS FOR YOUR RESPONCE TO MY REQUEST. SOME HOW WE HAD FAILED TO RECALIBRATE THE ACTUATORS.THE FIRST TIME.! IT`S DONE AND GONE. SORRY FOR LATE CLOSING . THANKS AGAIN MATT.
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2010 Chevrolet HHR LT Panel 2.2L MIL Lamp on VIN: 3GNBABDBXA
Thanks for all of your suggestions. I replaced the Intake solenoid and all has been good since then. I appreciate the help. Trouble codes: P0010 (Intake Cam Actuator valve solenoid circuit), P0011 (Intake Cam Postion System performance).
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1996 Geo Tracker 1.6L clutch release VIN: 2CNBJ1361T
I THINK IT IS CABLE, WAITING FOR CUSTOMER FOR ORDER TO GET CABLE, THANKS FOR THE HELP.
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1993 GMC K1500 Sierra SLE 5.7L MIL Lamp on, won't shift VIN: 2GTEK19K7P
Thanks to everyone that took the time to reply & help me out. Especially Adam he sent me a very detailed way to sort everything out. Actually this truck had 2 problems I found a bad wire going to the buffer from the sensor, and the buffer it self was bad. Tha... Trouble codes: 24 (no speed from VSS), 43 (esc).
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2005 GMC Envoy XL SLE 4.2L Surge VIN: 1GKET16S25
Customer chose to take it to the dealer. Overall other intermittent problems occured while here like windshiled wipers and other lights coming on it was taken but checked basic components and everything didnt find anything.
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2006 Hummer H3 3.5L fuel injectors VIN: 5GTDN13626
Thank you all for your assistance. I acquired a new snap-on scanner. I went through all the anti-theft checks and reset options. I don't know exactly what fixed the problem but the vehicle is now running and has no theft light on, on the dash. When it fina...
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2002 Oldsmobile Alero GL 3.4L engine VIN: 1G3NL52E22
After market ignition coil was bad. Installed new O.E.M. coil and used heat sink compound. All is well.
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