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Professional Automotive Repair Technical Discussions for January 11, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Buick Century Custom 3.1L engine noise VIN: 2G4WS52J0Y when cold engine rattles bad, it does get alittle better when warm. Worst one i' ve seen |
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| 2005 Buick Century Custom 3.1L Radio VIN: 2G4WS52J15 This vehicle came to us with an intermittent dead battery, we had it here for 5 days and no problems.We decided to put in a new battery regardless of the fact it was new to begin with. customer concern returned a few weeks later. I have the car here today not ... |
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| 1991 Chevrolet S10 Baja 2.5L Blower Volume VIN: 1GCCS14E3M Please help... This should be an easy no brainer, but it has us stumped. Tech asked me for help with this and I thought I would find it right off... The problem is there is limited blower motor volume coming through any of the selected modes. The tech took apa... |
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| 2000 Chevrolet Express 3500 LS 5.7L MIL Lamp on VIN: 1GBJG31R7Y Hello. This ones beating me up. I have a P0171 bank one system lean. Smoke test on intake was ok. Fuel pressure at 60psi and it will hold there at wide open throttle. Checked cat with a bore scope and both sides are clean, no obvious restriction. purge valve o... Trouble codes: P0171 (System lean bank one) |
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| 2001 Chevrolet Express 2500 5.0L No Start VIN: 1GCFG25M01 hy this van got a no starts problem when is cold outside at -20 it crank but no starts.i have replaced the spark plug the cap the wire and the coil this fall .the fuel pump and the filter were replaced last summer .i have tried to put somme gas in the throttle... |
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| 2002 Chevrolet Trailblazer LS 4.2L dash and int.lights VIN: 1GNDT13S62 Truck starts ad runs fine all accessories work.When you put the truck in gear the dash and interior lights shut off daytime running lights shut off and bcm communication is lost.Put it in park all comes back.All other accessories connected to bcm continue to w... |
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| 2005 Chevrolet Cobalt LS 2.2L Low Beams VIN: 1G1AL54F45 Thanks Guys for your help this thing seemed like a no brainer. Low beam fuses both show ground ,when powered up low beams come on. Went to headlamp switch pink with white wire terminal E has power on it disconnected. I am thinking wire must be good going to re... |
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| 2011 Chevrolet Traverse LT 3.6L Oil Pan VIN: 1GNKRGED9B Hello, I really hate to use this for what I am going to ask. But, due to unfortunate circumstances, the oil pan has been damaged while the vehicle was here for repairs to the power steering pump. I read up on the procedure for R&R the oil pan, which includes r... |
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| 2005 GMC Sierra 3500 SLT 6.6L Cooling System VIN: 1GTJK39205 So common issue found through the forums. As stated I replaced the Tstats Took it for a test drive and it worked great thought all was good and it dumped fluid on me. So I pressure tested the cap and it would take 30lbs and not release, banged it on the bench... |
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| 2007 GMC Yukon SLT 5.3L MIL Lamp on VIN: 1GKFK13047 Starts good, good fuel pressure, maf readings are good, when engine is at idle or decel the fuel trims climb up instantly. Has mil on for 12000 km. Has good power and no missfires. Checked all data in global data stream as well, we can not figure why the fuel ... Trouble codes: P0172 (Too rich bank one), P0175 (Too rich bank two), P0446 (Evap vent problem), P2A04 |
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| 2007 Pontiac G6 GT 3.9L electric windows VIN: 1G2ZH36167 vehicle brought in for a water leak.Replaced water pump & belt.I noticed when I drove vehicle in shop for repair the electric windows did not work-no problem.I replaced water pump & opened drivers door to start the engine & the drivers window went down about 2... |
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| 1993 Saturn SC2 1.9L Shifting VIN: 1G8ZH1574P Vehicle came to us with a transmission appearently in limp mode. Scan test showed no trans codes, but a code 26. Inspection revealed used ECM was for a 94. Replaced with a reman.ECM - same results. Vehicle will start in 1st, shift to 2nd, then 3rd, then go bac... |
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| 2003 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ23D73 Code p0327. Keeps setting,Has had knocksensor and pcm replaced. We have check the wiring and replaced,but get o reading on the scan tool. Trouble codes: P0327 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Buick Park Avenue 3.8L Climate Control VIN: 1G4CW52K1V The customer wanted the door moved so it will stay on hot for the winter and then disabled. With motor removed the door moved freely and temps changed while manually turning the door. There is no adjustment, at least on the passenger side, the motor engages th... |
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| 2000 Buick LeSabre Custom 3.8L all lighting I unplugged the alternator and the lights stabilized. Replaced alternator with a new one and problem is fixed. thank you |
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| 2002 Cadillac DeVille 4.6L Automatic level control VIN: 1G6KD54Y92 This one was educational. When the RIM fixed the windows, we figured it would have also been the air ride problem. Using [...] for diagnostic came up with the RIM b4 and after replacement. Learned from you guys and further testing that if this code is tr... |
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| 2004 Cadillac Escalade ESV 6.0L right rear window VIN: 3GYFK66N34 Thanks to all that replied...especially Long...problem was the DDM...after watching for the switch lock out command on the scanner it didn't show when engine was running. |
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| 2001 Chevrolet Express 3500 5.7L No Start VIN: 1GBHG31RX1 The truck starts right up now. The Passlock Module is supposed to have two power feeds and one ground. It only had one power feed. I fixed the second power feed and the truck fired right up. The hardest part of the job is finding the Passlock Module. John from... Trouble codes: P1626. |
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| 2007 GMC Sierra 1500 WT 5.3L Starting VIN: 2GTEK13M87 The problem with this truck turned out to be a shorted fuse panel.Truck would always start but would not shut off.Multiple codes. Thanks for your help. |
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