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Professional Automotive Repair Technical Discussions for April 29, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick LeSabre Custom 3.8L no pcm data VIN: 1G4HP52L7S Hello IATN members,I have a strange problem,I have no communication with P.C.M.,A.B.S.,AIR BAG modules.I have 5 volt reference on term. 9 of DLC,no square wave when koeo or eng. running,there are no shorts to grnd. no short to voltage,I jumpered data lines at ... |
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| 1989 Chevrolet C2500 Cheyenne 5.0L No Start VIN: 1GCFC24H8K this vehicle has a no start condition, will snap on brick scanner, there's no rpm seen at scanner, with all these new parts i need some help with this one before i get too deep into it. i'm a long time jeep tec! any help would be nice thanks john |
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| 1994 Chevrolet S10 LS 4.3L Misfire VIN: 1GCCS19W2R This one has been stuck at a shop that I do electrical work for. It was at 2 dealers and 2 shops before these guys got stuck with it. Their original complaint to me with it was horrible backfiring and popping through the exhaust when the EST is connected, but ... |
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| 1995 Chevrolet G30 Beauville 5.7L Surge, NO POWER VIN: 1GAFG35K1S Hi every one, the owner brought this bus to me (its has many seats as it carries passengers) with the complaint that it has no power and is surging. I tested the vehicle and confirmed the power loss which felt like serious gas starvation excepting that it does... |
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| 1996 Chevrolet Astro 4.3L transfer cas VIN: 1GCDL19W6T We have been working on a '96 AWD astro that slowly rolls when parked on a incline. At first if you left it, it would roll fairly quickly...if you left it in neutral it would go a lot faster...the parking pawl is definately engaged...you can feel and hear it c... |
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| 1998 Chevrolet Camaro 3.8L intake/oil press sw ? VIN: 2GIFP22K7W Not a regular. But seems pretty nice. Says she has the car serviced on time. Didn't look like it to me. It has a small motor oil leak dripping close to ( not from ) the drain plug. Must be coming from above but can't see it from top or bottom. Do I need to pul... |
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| 1998 Chevrolet Malibu LS 3.1L Electrical portion of starting system. VIN: 1G1NE52M3W Malibu was brought here on the hook. When I first got in it , it tried to start and did a few times but died when I put it in gear, it ran very rough when it did run. We pushed in with the 4-wheeler and it has not started since. I have installed a new tumbler ... |
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| 1999 Chevrolet Silverado 1500 5.3L door locks VIN: IGCEK19TOX HI folks,got a 99 Silverado with a door locking problem,RH door will not lock with either switch.If you manually lock the RH door the electric locks will unlock the door,but not lock it.I pulled the door panel and disconnected the 2 wire connector on the door ... |
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| 2000 Chevrolet Express 3500 7.4L Mechanical VIN: 1GAHG39J94 I'm pulling my hair of this one, if i have some more left. I need some help with this hydroboost unit, The vehicle first came in with lock-up brakes, and found defective hydroboost unit, replaced with gm unit. Attempt to road test and no power steering assist,... |
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| 2002 Chevrolet Silverado 2500 HD 8.1L Stall VIN: 1GCHK23G22 We have driven this truck probably 100 Miles or more with out a glitch. Cust. says the truck will loose power/stall at highway speed for a few seconds then start running again by it's self. Also will stall when comming to a stop or slow parking lot driving. So... |
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| 1989 Oldsmobile Cutlass Ciera SL 3.3L Rear wheel bearings VIN: 2G3AM51N0K My local parts supply house sells the rear wheel bearings as an assembly? Is there a way to replace these bearings without replacing the whole assembly? The assembly is $279.00 Cnd. per side and this seems too high for my customer on an older car. Thanks for a... |
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| 1999 Oldsmobile Intrigue GL 3.5L Cuts out, Stall, cold/hot start VIN: 1G3WH5Z2H1 This vehicle came in a month ago or so with a code PO385 CKP sensor "B". The sensor was replaced and problem fixed. About a week ago the customer came back with a stalling complaint on a cold or hot soak restart. Re -scanned codes,none found. TB was extremely ... |
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| 1999 Oldsmobile Aurora 4.0L Exterior Lights VIN: 1G3GR62COX I have a problem with the security lighting system. The exterior lights will blink on & off, with no pattern what-so-ever. Black box under drivers side dash is blinking at the same time. Black box has a purple tag with part # [...] on it. Being a foreign ca... |
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| 1996 Pontiac Bonneville SE 3.8L fuel pump/windows VIN: 1G2HX52K3T This is for all you GM electrical guys! We replaced the fuel pump and suspect there is a module that runs it and the power windows that disconnects under the draw of the window motors. The windows work well when they work but when they short it takes the power... |
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| 1992 Saturn SL1 1.9L Unknown VIN: 1G8ZH5494N Hello we got this vehicle in while customer was complaining the a/c was not working. Checked out system and found compresser leaking at front seal also it turned very roughly by hand. We recomended replacing compressor and flushing system. After it was done th... |
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| 2001 Saturn SC1 1.9L Poor Idle Quality VIN: 1G8J527X1Z This vehicle has a high idle periodically. The ECT has been replaced. Has anyone seen this problem before? It won't do it all the time. Thanks in advance. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1978 Chevrolet K30 Cheyenne 5.7L burned clutches first of all I would like to say thanks to all who replied to this question. We repalced the torque converter and all is well, the vehicle has made 2 rock crawling trips since the torque converter change with no problems, He is going again this weekend and the... |
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| 1989 Chevrolet K1500 Cheyenne 5.7L right rear brake VIN: 2GCEK14K9K well thanks to all who replied, but the customer never brought it back, he called to say that he installed new shoes and the problem is fixed, i find that difficult to swallow, when he said he had new shoes to begin with, oh well, win some, lose some, most of ... |
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| 1995 Chevrolet C3500 5.7L Cuts out VIN: 1GBJC34K8S Thanks to all who sent replies. We tried a new tps, reman dist, reman ecm checked all grounds & still no change. We did find a vac leak at intake but the customer declined repair. |
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| 1997 Chevrolet Cavalier 2.2L Right rear sensor input VIN: 3G1JX5442V Firtsly thanks to all who responded, Ron from Idaho; Ed from massachusetts and specilly to Bill from New York who put me on right way, he recommended to me make an harness to replace rr sensor harness and see if problem was wire or BCM, and done, problem is BC... |
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| 2000 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T1Y Hello, We checked for vacuum leaks to no avail. A/F was factory and clean. Problem seems to be electrical. Was only able to duplicate code set once in two days. It happened while the truck was sitting still idling while we were looking at it. No driveability... Trouble codes: P0102 (maf low frequency). |
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| 2001 Chevrolet Tahoe 5.3L power steering VIN: 1GNEK13T31 ok, i screwed up. i had o ring on the pressure fitting on the wrong grove. thanks to everyone who tried to help. sometimes i can't be helped. thanks again. |
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| 1996 Oldsmobile Aurora 4.0L head lamps VIN: 1G3GR62CXT Thanks to everyone with your help. I found that the multifunction switch was the problem. thanks again |
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