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Professional Automotive Repair Technical Discussions for January 8, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick LeSabre Limited 3.8L HVAC & Radio VIN: 1G4HR52L3R Customer complaint that the HVAC will self adjust to 60 deg and the blower will start blowing on lower speeds just after starting off, occasinally. We saw the samething, does not do it on any regular cycle, may go days and then do it 3 or 4 times in a row then... |
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| 1990 Chevrolet Camaro Iroc-Z 5.7L Excessive Emissions VIN: 1G1FP2389L car come in fail on emission test, mainly nox are way too high 1600 ppm and hc about 100 ppm. base timing ok, no vacuum leak or exhaust leak. fuel pressure slighly low, replace fuel pump, within spec now. replace map sensor, oxygen senor & catalytic converter.... |
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| 2003 Chevrolet Venture LS 3.4L Engine block VIN: 1GNDV03E13 The van was brought in for a coolant leak. We found the front head gasket leaking. After we toke the heads off we found the threads for a head bolt were stripped out in the block where it was leaking. I have never seen this before. I am wondering if this is co... |
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| 2003 Chevrolet Silverado 1500 4.3L theft system VIN: 1GCEC14X23 Truck came in with complaint of idle low and dies. After sitting in shop awhile it died it did it 3 times traced the problem to the pigtail at coil.Now vehicle will not run the security is keeping it from running. Attempted the relearn procedure several times ... |
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| 2005 Chevrolet Equinox LT 3.4L Cooling Systems VIN: 26NDL73F15 vehicle came in with dead battery and customer stated that this is the second time battery died.does have new battery in it. we jump start the vehicle.start right up and charge the battery.and notice both cooling fans stays ON with key off.pull both high & low... |
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| 2005 Chevrolet Malibu 2.2L steering VIN: 123A5877GJ Customer dropped off her car for a Power Steering issue. The warning light in the radio reds (Change Power Steering Fluid). The steering stiffens from time to time. Any Idea what is going on. Thank you |
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| 2008 Chevrolet Tahoe LT 5.3L cruise control VIN: 1GNFC13J38 Cruise control is inop on this vehicle. Vehicle will not set cruise speed. I have fulfilled all the requirements for engagement( vehicle over 25 mph, in drive, system voltage within specs, no parking brakes or brakes applied)but the vehicle will not respond. I... |
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| 2009 Chevrolet Corvette 6.2L Keyless entry VIN: 1G1YY36W19 I have this '09 vette in my stall. Customer states that first thing in the morning it is hard to get the doors to unlock and once you are in it will not start. "No fob detected" is displayed on the DIC. After messing with it the car will eventually start and d... |
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| 2003 GMC Yukon XL 1500 SLE 5.3L transfercase VIN: 1GKFK16Z53 Hey guys, need GM 4wd Tech help, Great customer. Vehicle came with customer concerned about 4wd not working in 4hi, and 4lo. The only way to get 4wd is in Auto 4wd. I checked for codes, nothing found. When you push for 4lo you can feel the motor engage (audibl... |
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| 1997 Pontiac Grand Am SE 2.4L Cooling Systems VIN: 1G2NW52T1V TIA for any help on this one. Customer's teenage son bought this car this fall; customer has been working on it ever since - now it's my headache. When purchased they didn't notice that the heater core was by-passed. Customer has installed a new heater core. N... |
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| 1997 Saturn SL2 1.9L Poor Idle Quality VIN: 1G8ZK527XV We got this car from a customer with a bad motor and they had no money to fix it.Got a motor from salvage yard and installed. It runs great until it comes up to temp and the idle is slutty. It is low on vac. (14 in)if I crack the throttle it will come right up... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Chevrolet Camaro Z28 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1G1FP33F9M Well it is gone, we were able to adjust the timing enough to get it through emissions, the owner did not care to spend anymore money so it still runs the same. Thanks so much to all of you who took the time to respond to this request. |
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| 1995 Chevrolet Blazer 4.3L Cuts out, Misfire VIN: 1GKCS13W4S ALRIGHT-I GOT 20 REPLIES AND 18 SAID CHECK DISTRIBUTOR-WE PULLED THE DIST. OUT AND THE GEAR WAS ALMOST GONE-PLUS THE SHAFT WAS MOVING SIDE BT SIDE IN THE HOUSING-WE INSTALL A NEW DIST. AND THE VEHICLE RAN GREAT-NO BACK FIRING OR SPUTTERING-THANX FOR ALL THE GR... Trouble codes: 43 (esm module), 43 (esm module). |
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| 2000 Chevrolet Silverado 1500 5.3L harsh shift after p0748 is set VIN: 1GCEK19V8X Hey guys thanks for all the responses. After doing some more research on this truck i found out that it has an aftermarket computer tune from Diablo. This tune was for upgrades he has done to the engine. After talking to the company they sent another tune t... |
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| 2003 Chevrolet Silverado 3500 6.6L Water Pump Outlet VIN: 1GCJC33143 Hi Girls and Guys , Thanks again. Jason pointed me in the proper direction. That was the first one of these I have done. The pump is sandwiched in between the block and water pump housing. You All have a great weekend. Sincerly , Mike |
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| 2004 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNDT13X94 a factory sensor resolved the problem. thanks for your responses. thanks for suggesting a oem sensor thats the direction I was leaning towards. Trouble codes: P0155. |
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| 2005 Chevrolet Malibu 2.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1ND52F25 HEY GENTLEMEN I WANTED TO FIRST SAY HAPPY NEW YEAR AND THANK YOU VERY MUCH FOR ALL OF YOUR HELP AND YOUR TIM [...] TAKEN FROM YOUR BUSY SCHEDULES TO ANSWER MY HELP REQUEST. IT TURNED OUT TO BE A BAD IGNITION MODULE. WE HAD BEEN TOLD BY THE CUSTOMER THE MODULE WAS A... Trouble codes: P0300, P0141. |
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