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Professional Automotive Repair Technical Discussions for June 1, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet P30 7.4L No Start VIN: 1GBJP37N2S initially I diagnosed the rv, had spark good, fuel pressure was weak found pump intermittent and only 9 v at pump. Replaced relay and fuel pump. the vehicle started ran and left the shop. Week later it comes back on a hook no start. Found good spark and fuel p... |
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| 2007 GMC Sierra 3500 Classic SLT 6.6L compressor VIN: 1GTJK33D67 I am not very familiar with A/C systems, am able to do the basics. Seems to me like a pressure problem (not sure what the low and high side pressures should be) or the pressure switch, but am not sure how to test the switch. Any ideas or info would be greatly ... |
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| 2008 GMC Sierra 1500 WT 5.3L oil pressure VIN: 2GTEK13348 Not we have vehicle with same issue replaced the plate on top of intake as it was leaking oil now still have same issue 40 psi at start up stays that way driving but drops to 12psi at idle when you back off throttle when driving pressure goes up to 60psi inste... |
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| 2012 GMC Sierra 3500 HD WT 6.6L No Start VIN: 1GD312CL6C I have tested return fuel, high pressure fuel, have 0 fuel rail pressure. installed second pump same result. checked all electrical connections. |
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| 1993 Oldsmobile 98 Regency Elite 3.8L Compressor VIN: 1G3CW53L6P Compressor not engaging (intermiattly).A C system charged. ECM codes 41 Cam signal(has had for years ) 62 Cruise Control Selonoid.A C icon on control head on intermidiatly clutch may engage or not with it on or off. Disconnectted battery ,no change. When compr... |
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| 2003 Oldsmobile Bravada 4.2L Hvac VIN: 1GHDT13S43 Customer came in complaining of no AC when vehicle is hot. We did test drive vehicle and AC will work all day long until vehicle is driven. We let he vehicle idle in the shop and outside the shop for almost 3 hours and AC was cold. Checked high and low pressur... |
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| 2009 Pontiac Vibe 2.4L Engine Noise VIN: 5Y2SP67069 Customer complained of a noise- she stated it was "like a fan noise". Service writer thought she heard such a noise. I thought I was hearing alternator whine- little shocked to see diodes good. Car went to lube bay, my C tech says he took the belt off and nois... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2008 Pontiac G6 GT 3.5L ride control VIN: 1G2ZH36N98 noise was under neath car at right front cross bar that surports the body to fram underneath one of the bolts were broken had to drill out broken bolt and retap and installed new bolt and road tested ok. |
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