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Professional Automotive Repair Technical Discussions for April 22, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick Park Avenue Ultra 3.8L Surge VIN: 1G4CU5417Y buick surges in high gear and tcc applied under light load.can watch tac on dash and it jumps 3 or 4 hundred rpm.once acting up can slowly accelerate and feel problem up to atleast 60mph. usualy starts at 45mph.if you accel harder goes away or let off goes awa... |
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| 2003 Buick Rendezvous CXL 3.4L brake booster VIN: 3G5DA03E43 I am going to be replacing the brake booster due to a vacuum leaking and at moment do not have a Tech 2 or an equivalent capable to perform the automated bleed procedure after completely removing the ABS hydraulic control unit and the brake master cylinder tha... |
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| 2001 Cadillac DeVille 4.6L Steering VIN: 1G6KD54Y11 This cadillac is driving me nuts it has no power steering assist my tech. Flushed the power steering system with no change he also replaced the pump with an ac delco no change we put on a pump from carquest no cahnge we also installed a new rack and pinion u g... |
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| 1997 Chevrolet Corvette 5.7L turn signals VIN: 1G1YY22G4V Vehicle has right side turnsignal problems. Sometimes the RF will not flash, but the RR always does. Sometimes the RF will flash too fast, sometimes the RR will flash too fast. The 4 ways operate normally as do the brake lamps. When one end of the car flashes ... |
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| 1988 Pontiac Bonneville SSE 3.8L No Start VIN: 1G2HY54C0J This vehicle drove in with an intermittant no start. Drove it in the shop, turn it off and tried to start it and it actually acted up. It is a no start with no injector pulse. I have good spark and good fuel pressure. I am leaning towards replacing the crank s... |
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| 2007 Saturn Ion-2 2.2L Cooling Systems VIN: 1G8AJ55F67 Hey guys need advice again. this 2.2 ecotech has oil in the coolant bottle, radiator hoses have oil coming out of them. there is no coolant in the oil as far as we can tell. seen alot of other posts w/head problems etc but they all had coolant in oil not oil i... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Chevrolet LLV 2.5L hazard flasher VIN: 1GBBS10EXH This truck is not fixed as of yet.I got some good info,but still no schematic.Most of the replies pointed to bad connections,and corrosion at fuse box.The fuse box and harness have been replaced already as that is a common problem on these vehicles.Part of th... |
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| 1993 Chevrolet C1500 Cheyenne 5.7L Cuts out, Misfire VIN: 1GCEC19KXP Thanks guys for the advise. we tested and tryed all suggestions with no luck.so we tested running compression and found some weak cylinders. replaced valve springs FIXED. |
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| 1994 Chevrolet C1500 Suburban 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: 1GNFK16K1R Well, unfortunately this truck left un-fixed. I tried all of your suggestions. I went and bought a new vacuum gauge and pump because I just didn't trust the readings on my old one. (my distrust was justified) vacuum was at 19.5-20.5in.lbs at idle. (When I firs... Trouble codes: 33 (Map sensor circuit high), 45 (Rich exhaust). |
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| 1997 Chevrolet K1500 Suburban 5.7L abs VIN: 1GNFK16R8V Sorry about the delay all. I gave the customer the information a few times but he never returned. I think he has dumped all the money into this barge that he is going to. He has had numerous expensive problems with it. 3 fuel pumps - 2 transmissions and so for... |
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| 2001 Chevrolet Tahoe 5.3L Mechanical VIN: 1GNEK13T51 Well, I am calling this a fix even though I didn't get to actually fix it. The noise was as most of you suggested bad lifters. The repair for these is to replace the cam and lifters. Some people mentioned a cracked flywheel which I checked but saw no rust o... |
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| 2005 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 3GNEC16Z25 Most people agree that the throttle body is most likely the problem,but with no clear cut indicator, with voltage and resistance values checking out...I be scared.One question I still have , is it possible for the engine to have a problem like low fuel pressur... Trouble codes: P1125 (APP TP sensor). |
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| 2008 Saturn Astra XE 1.8L tensioner VIN: W08AR67118 Thanks for all the responces, drive belt tensioner was weak, and caused the upper timing belt cover to vibrate. The new GM tensioner has been redesigned, its now a flat spring rather than round, and the spring is enclosed instead of exposed. Another one kicke... |
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