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Professional Automotive Repair Technical Discussions for August 26, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Cadillac DeVille 4.6L Transmission removial VIN: 1G6KD54Y7X We're going R&R the transmission from this DeVille and we've never done a Northstar before. It's a 4T80E and we would like any suggestions as to the best way to get this big boy out and back in. Thanks. |
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| 1989 Chevrolet K1500 Cheyenne 5.0L Cuts out VIN: 1GCDK14H3K I have a new one for this guy ! truck bucks and jerks when you go to use the cruise. I can not seem to get it to act up with just the gas pedal. Only seems to cut out when cruise is on and not all the time. I would say it a bad plug or wire butI have changed a... |
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| 1992 Chevrolet C1500 Cheyenne 5.7L Compressor VIN: 2GCEC19K2N Vehicle came in mid August with A/C light flashing and blowing cold. Found A/C line leaking replace line recharged and now compressor on/off time is only 4 to 5 seconds each. A/c system runs like this for 2 to 3 minutes and A/C light starts flashing wwith comp... |
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| 1994 Chevrolet Corvette 5.7L brakes VIN: 1G1YY22P3R hello everyone need some help. i have a 1994 chevy corvette that stops fine under normal light braking. any kind of hard stop or panic stop car wont stop well. the pedal gets to a point and it feels like a solid rock.if you use two feet you can stop it. checke... |
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| 1995 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions, Poor Fuel Economy, Extreme Rich Run Con VIN: 1GCFK29K4S Help!!! Vehicle came in with the number 2 cylinder intake valve burnt. Removed the head and had machine shop do the repairs. Reassembled motor and now have an extreme rich run.2 sensor is reading well above 900mv at all times. I have checked the PCV system and... |
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| 1997 Chevrolet Monte Carlo Z34 3.4L vacuum system VIN: 2G1WX12XOV Hi, thanks in advance for taking the time to read my problem.Original problem was a leak. I changed the evaporator, compressor, orifice, & accumulator.Leak was fixed. The complaint now is that is does not get real cold inside. The pressures are good, suction l... |
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| 1998 Chevrolet Blazer 4.3L pass lock security system VIN: 1GNDT13W8W Repeated tries to start car ran down battery, towed, no start. Customer stated security light had flashed intermittently while driving. Cleaned battery terminals, charged battery, load test ok. Car started, moved to another bay in our shop, would not re-start.... |
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| 1999 Chevrolet C1500 Suburban 5.7L start and die VIN: 3GKEC16R5X It has a code P1626- Loss of VTD communication. This lady is fed up with this intermittent no-start. It's been doing this since she got it 2 years ago. I checked the voltage coming from the cylinder to the module and there is 5 volts to the cylinder and it con... |
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| 2000 Chevrolet Blazer LS 4.3L interior lights VIN: 1GNCT18W2Y hello everyone!!! got a huge problem.fuse #8 in the interior fuse panel keeps blowing intermitanly.seems to be no rime or reason for it to blow.when fuse blows the interior lights do not work and the 4wd buttons do not light up and the 4wd does not work.i have... |
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| 2001 Chevrolet Blazer LS 4.3L transmission/transfer case VIN: 1GNDT13W51 We have ourselves a stumper any help would be appreciated. At 60 to 65 the truck has a vibration, feels like it would be a ujoint or drive shaft balance issue. We had another blazer in the shop so we swapped the driveshaft no different, also swapped tires and ... |
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| 2001 Chevrolet Prizm 1.8L exhaust valve VIN: 1Y1SK52831 looking for help with this prizm. at 67.000 miles it came into our shop with a burnt exhaust valve on cylinder #4. our machine shop did a valve job, we reassembled, test drove ran smooth and engine performance ok. over next 2000 miles customer complained of lo... |
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| 2002 Chevrolet Trailblazer LS 4.2L Front Differential VIN: 1GNDT13SX2 Curious to see if anyone else has had some exspierence with this can of worms.We've tried another encoder actuator, But the problem still exsist. I beleive it to be the selector assembly on the right side of the oil pan, But my manager thinks it to be the diff... |
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| 1996 GMC Sonoma SLE 2.2L Excessive Emissions, Poor Idle Quality VIN: 1GTCS1946T Good morning group. I have a 96 sonoma 2.2 that was towed in for overheating. We have installed a used engine and the motor runs fine but i will not idle properly. It runs extremely rich at idle. It will rev fine and run down the road fine but if you back off ... Trouble codes: P0108, P0107 |
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| 2002 GMC Envoy SLE 4.2L rear washer pump VIN: 1GKDT13S12 hello this one has inop rear washer pump ,I have tested the circuit from the body control to the pump by manually grounding pin b3 at bcm and the relay clicks and the pump activates. Also checked the switch it has 3000 ohms between the gry and white terminals ... |
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| 2000 Pontiac Grand Am SE 3.4L Stall VIN: 1G2NF12E2Y This vehicle intermittently quits while driving, usuaully while crusing on the highway. We have not been able to duplicate the concern.The customer stated that the first couple of times the vehicle quit running but restarted after about 10 minutes. The last ti... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1986 Buick Electra Limited 3.8L No Start VIN: 1G3TJ56BH9 Thanks to all who replied , I took Tony's and Chris' suggestion and cooled the crank sensor with water when it stalled,started right back up.I replaced the crank sensor and all is now well,again thanks to all.Ted. Trouble codes: 42 (est ignition problem). |
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| 1997 Cadillac DeVille Concours 4.6L unwanted stabilitrack activation VIN: 1G6KF5294V Thanks to all who responed. During the time that I was driving this vehicle, I had found that the vehicle would consistently act up if the vehicle had been left to sit in the hot sun. If the weather had cooled down then the fault would not occur. I had done as... |
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| 1997 Chevrolet Tahoe 5.7L Misfire, MIL Lamp on VIN: 3GNEK18ROV Thanks for all the help.I readujusted the valves. No good even though the cap and rotor were new I replaced them anyway same result no good. I scoped out the crank sensor. And I got a nice square wave pattern but the square wave pattern seemed to shift alot. S... Trouble codes: 300 (Random Misfire). |
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| 2000 Chevrolet Silverado 1500 4.8L signal lights, dash lights VIN: 2GCEK19V2Y Thank you guys for the many good responses. As many suggested we checked all grounds, including G103 on the back of the engine. We cleaned and moved the trailer light ground and checked all connections for trailer lights. We removed the battery, but found no c... |
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| 2000 Chevrolet Cavalier 2.2L Steerinig VIN: 1G1JC5242Y Thanks for all the replies. I could not tell for sure if the pop was in the rack or the lower steering shaft. With my hand on the lower U-Joint on the shaft, I colud feel the pop in my hand. We removed the shaft and found the upper joint in the lower shaft had... |
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| 1995 Pontiac Sunfire SE 2.2L Excessive Emissions, Poor Idle Quality, no communication VIN: 3G2JB524XS I did not end up fixing the vehicle as owner did not want to spend the $$ - I had checked all recalls for the connectors @ PCM, checked all fuses and wiring. I know the problem was with the data line (UART) as I did not have any communication with ABS, PCM or ... |
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| 1995 Pontiac Trans Sport 3.8L Surge, Misfire VIN: 1GMDU06L1S the fix for this van was 1 rebuilt trans and 2 a new cam sensor loseing readind intermitantly tanks for all your help Dave |
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| 2000 Saturn LS2 3.0L Poor Idle Quality, Hesitation, Service Wrench lit VIN: 1G9JW52RYY I didn't recieve many tips on this one but they where good info all the same. After doing some more research I found out my modis had a glitch in software. The p0000 lost cummunication or undefined code was misleading.Running generic mode would not list that c... Trouble codes: P0000 (Lost communication or undefined Code). |
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| 2001 Saturn L200 2.2L MIL Lamp on VIN: 1G8JU52FX1 Still could not figure this one out,so the owner took his vehicle to Saturn for them to figure it out. Thanks guys for your help anyhow Trouble codes: P0137 (Bank 1 Sensor 2 Voltage low). |
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| 2002 Saturn Vue 2.2L hydraulics VIN: IS6HG5543E thanks for the input on this critter, as said the masters are a problem on these. also the slave unit was sucking air into the system, with only minor seepage of fluid. the bleeding sequence is on for the books! 5 full pumps of pedal, then 15 3/4 lenght pumps,... |
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