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Professional Automotive Repair Technical Discussions for June 30, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1965 Cadillac fleeetwood 472CID wiring/control unit Hello All, This old caddy( made into a pickup.???.) has no automatic temp control. The unit cooled for a few minutes we shut the car of and now I have no cooling or heat and no blower motor. The fuse is good. I was hoping someone had a wiring diagram or some ... |
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| 1995 Chevrolet S10 LS 4.3L Stall VIN: 1GCCS19ZXS A day or two after reparing the no start the truck came back with an intermittant stalling problem. Tested and came up dry. Truck will stall after about ten minutes of run time. (cruise or idle or accel, it doesnt matter which) Funny thing is when the truck di... |
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| 1999 Chevrolet Express 1500 5.7L Speedometer VIN: 1GNFG15R2X When driving this van down the roadand you get up to 50-55 MPH the speedometere starts to bounce around. I replaced the VSS on the back of the transmission with a GM Sensor. If I watch the speeds on the abs side they all bounce up and down. There are no codes ... |
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| 2001 Chevrolet Monte Carlo SS 3.8L radio VIN: 2G1WX15K91 This thing came on the hook for no crank condition, soon as i got in it crank ok and ran. I shut it off to restart now no crank. Checked codes and their was whole bunch, bcm/dim u1016 b1440 b2618 b2655 b3106 b3128 b3133 dic u1305 u1016 radio b1000 b1004 b1007 ... |
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| 2002 Chevrolet Suburban 1500 LT 5.3L Misfire, MIL Lamp on VIN: 1GNFK16Z42 Hi all. We've got a missfire on a 5.3L Z engine Suburban thats giving us some problems. This vehicle will put a mil on when coasting downhill on highway. Code P0300 present when scanning vehicle. Most missfires are occurring on #2,3,4 and 7. Occassionally we w... Trouble codes: P0300 (Multiple Missfire) |
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| 2004 Chevrolet SSR 5.3L Driveshaft VIN: 1GCES14PX4 This vehicle has a distinct "tink" sound that is heard often. It happens when it is shifted from Park to Reverse or Drive, and also when accelerating (easy or hard). Some days it is constantly happening and is noisy and embarrasing to the driver. In the past ... |
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| 1992 Oldsmobile Achieva S 2.3L timing chain VIN: 1G3NL5434N The timing chain went bad and the owner replaced it himself w/o new gears. Went only a short distance and had problems; brought it to us about 90 days ago. I put in another chain, all the gears except the water pump, and new guides and tensioner. It is back wi... |
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| 2003 Oldsmobile Bravada 4.2L Transfer case VIN: 1GHDT13S03 Feels like transfer case going in & out of AWD at random. No MILs on. Condition also feels like severe engine miss, but engine is OK. |
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| 1991 Pontiac Sunbird LE 2.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1G2JB54K3M previously i had sent a help request was informed to try cleaning the throttle body and replacing the iac. i tried cleaning the iac and it worked for about 2 days. now im back to square 1. i tried replacing iac with aftermarket, didnt work, returned and tried ... Trouble codes: 42 (est circuit open or grounded) |
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| 1999 Pontiac Bonneville SE 3.8L Runs Good! VIN: 1G2HX52K6X Hello friends, I hope you have a little time to read this and maybe give some advice on this car. The car is a 99 Bonneville 3.8 K engine. The history goes something like this. It failed the ILL EPA test in Jan this year for P0420. The owner had a friend p... |
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| 1999 Pontiac Grand Prix GT 3.8L power windows VIN: 1G2WP12K8X Power window problem with the LF door.This is a 2dr car.When putting down the LF window with the express down feature, the window goes down and will not go back up right away.The express feature is staying engaged and the window motor circuit breaker kicks off... |
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| 2001 Pontiac Grand Prix GT 3.8L Stall VIN: 1G2WP52K71 Dear Techs: Back again already with another Pontiac, 1 down, another to go. This one is so intermittent (or random) that I can't duplicate the condition. It has blown the 10 amp ECM fuse around 5 times in the past month. In questioning the owner, it seems like... |
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| 1995 Saturn SC2 1.9L odometer VIN: 1G8ZG1275S speedometer works(accurate occording to scanner) but odometer will not work. replaced w/ a used one and still will not work. used one has 41000 on it. occording to alldata wiring diagram the same signal for speed is for odometer and is routed in the ic of the ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Cadillac Catera 3.0L ride control VIN: W06VR52R8V Ok this car is fixed and down the road. My thanks to Chuck,David,John and Jeremy. Jeremy hit it right on the head as there was a wear spot on this sensor. After replacing the sensor-all is good. Special thanks to John for taking the time to put the complete di... |
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| 1988 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2GCDC1472J Sorry for the long delay in response for my plee for help. This vehicle is still not fixed due to time restraint. We did manage to check most all recomended repairs to no positive outcomes. I still have this truck for a long time and i will be working on it pe... Trouble codes: 034 (map sensor circuit signal voltage low high vacuum). |
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| 1994 Chevrolet K3500 Cheyenne 7.4L Hesitation, Surge, Misfire VIN: 1GCHK34N2R Thanks for the posts you all sent me in the right direction. Though we had replaced the injectors they turned out to be the problem. We had used injectors purchased from an independent. We won't do that again. |
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| 1994 Chevrolet S10 4.3L all intruments VIN: 1GCCS14W4R Thanks for the 11 replies. Initial replies suggested ignition switch could be a problem. Replaced it ($12) but it didn't change anything. Removed instrument panel and still had short to gauge fuse. Traced wires as suggested in other replies and finally found s... |
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| 1995 Chevrolet Monte Carlo Z34 3.4L belt VIN: 2G1WX12Y7S i found that the the belt tensioner that the other shop installed, was not on correctly and it was starting to separate causing the belt to come off. thanks everyone. |
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| 2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNDT13S73 This fix just confirms my electical thinking. If you have a bad good or a short to ground you get alot of things you can't explain to occur. Here it is:A month earlier this person backed the truck into a light pole and hurt the right rear corner. We found tail... Trouble codes: P0332. |
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| 1994 Oldsmobile Silhouette 3.8L Poor Idle Quality, Misfire VIN: 1GHDU06L7R Thank s to all who replied. I had 6 replies. Four replies stated bad wire,(As this is a waste spark system). One stated bad spark plug and one stated to 'tap lightly on injector #4. Well get ready for this. It all started with a skip. So I perform a balance te... |
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| 1992 Pontiac Grand Am SE 2.3L No Start, starts bucks n dies VIN: 1G2NE5433N after checking and reinstalling wiring at right firewall that leads to the pcm, (tsb for water intrusion)the car started and ran...until i moved the harness. the harness was connected to the unbolted pcm. this little movement allowed it to start until the pcm ... |
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| 1995 Pontiac Grand Am SE 3.1L Stall VIN: 1G2NE15M5M Dear Helping Techs: Well I have this one fixed, although this time none of the answers were right, this time. Out of 7 replies, 3 suggest replacing the crank sensor, one thought I might be loosing power & communication with the computer, one suggested tap test... |
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