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Professional Automotive Repair Technical Discussions for August 7, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Chevrolet Silverado 2500 HD 6.6L air conditiong VIN: 1GCHK23174 the ac blows cold for 5 or 10 minutes then the compressor shuts off. Bypassed the switches and it still stays off. There is something the ecm is telling to keep the ac off. no codes stored. If i jumper the relay it will freeze you out of the thing |
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| 2004 Chevrolet Silverado 3500 8.1L Engine VIN: 1GBJK39G84 Truck was purchased at an auction,when customer was driving back said it was not running good low power as he drove approx 130 miles unit ran better. A few days later truck started flashing ses light low power and noise in engine. When brought into shop we pul... |
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| 2004 Chevrolet Silverado 2500 HD 6.6L Surge, MIL Lamp on VIN: 1GCHK23174 This vehicle has fuel pressure regulator issue at idle. the actual fuel pressure is 20 mpa higher than desired. When i run the pressure test it responds and runs normal all the way to 160 mpa. actual and desired at 2000 rpm. Its just at idle its so far off. Ke... Trouble codes: P0089 |
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| 2004 Chevrolet Suburban 1500 LT 5.3L Cuts out VIN: 1GNEC16Z34 I am ready to give up on this one. The truck runs fine until you drive for a while. It will then act like it is out of time. It runs bad misses and stalls. If you try to start it the engine acts as if it is out of time or if several wires are crossed. If it se... Trouble codes: P0336 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Chevrolet Silverado 1500 5.3L Electronic VIN: 2GCEC19T74 Thanks for the replies just as everybody said I removed the top panel and grab handle ,trim panel infront of cluster, removed u type brace, unbolted right side of instrument panel and let it come forward little bit, screws out of vents on right side annd pry... |
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| 2006 Chevrolet Suburban 1500 Z71 5.3L a/c &heater fans VIN: 1GNFK16Z06 Thanks for all the replies. After re-checking all fuses and relays,I replaced the blower resistor,or blower control and the wire harness. Front blower works fine. The rear blower still isn't working,but the customer needed to use the vehicle. We will check t... |
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| 2009 Chevrolet Tahoe LT 5.3L MIL Lamp on VIN: 1GNFK23019 I located and removed the PCM, then reinstalled and new PCM Trouble codes: P0452 (EVAP Pressure Sensor/Switch Low). |
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| 2004 GMC Envoy SLE 4.2L Cylinder Block VIN: 1GKDS13S54 Found Kentmoore J-42385-300 and J-42385-100 tool on EBAY for proper repair, oredered. Thank You all so very much! |
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| 2004 Pontiac Grand Prix GT2 3.8L front suspension VIN: 2G2WS542X4 I pretty much got replies to recheck parts that I had replaced (some at least twice). I checked the starter drive, it checked good. I have ordered the Steelman Chassis ears and plan on trying them to pinpoint the source of the noise. Thanks to all that replied... |
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| 2008 Saturn Vue XE 3.5L No Start, Stall, MIL Lamp on VIN: 3GSDL43N08 Well, to sum it up the All Wheel Drive caused a no start! The biggest thing I learned from this is that when you have a complete communication failure like this you need to check the integrity on the data lines. This is fairly easy. Test the resistance acros... Trouble codes: U0073 (u0100-), U0100. |
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