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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra 2500 Owners
117 messages, Last post on Nov 25, 2009 at 10:34 AM
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2002 2500 HD 6.0 34000 miles Have loud air escape noise coming from engine compartment. Seems like it only happens when real cold. When driving down road at 2000 rpm it started releasing this loud air escape noise ( like air was building up & then realeasing). Did every 10 seconds. temp outside was aprox. 10 degrees. Stoped & sat for 1 minute & let idle. When resuming drive it stoped making noise.Has done this on 4 different ocasions. Taking a guess I thought something must be frozen & The emission control air pump was building up pressure & then blowing off. Any ideas ? |
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Still pretty beat around here still eh? Well my 07 gmt-900 2500 4x4 is now pushing almost 18k miles. Not many more miles since I posted here in Nov. But I can tell ya those few miles have been hard on this poor truck as its really only been used for snowplowing since another brutal snowy winter has arrived here in northern NY. Not to mention having 3 other vehicles to drive might be the reason for so little usage.................... No problems or dealer visits except for a $19.95 oil and filter change.
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Replying to: otto8 (Feb 13, 2009 8:06 am) is due to get unstrapped from the plow and could use a good rest as well as a nice polish and detail. The poor thing worked hard pushing our daily major snowfalls and lake effect squalls here in northern NY. No issues or problems and truck has needed nothing but a oil and filter change! Its gonna rest for a few weeks then its time to put it back to work hauling the camper, boat, jet skis or big toy box for another summer of fun!
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Replying to: otto8 (Mar 09, 2009 8:18 pm) is nearing this 07 gmt-900 2500 is ready for snowplow duty once again! As far as issues or problems I had to have the steering rack? replaced under warranty for leaks. Aside of that NO other issues and no other work needed except for a few more $19.95 oil changes. I am still unsure if I will trade it this spring 2010 as I usually do with all my trucks as the economy still sucks, my businesses are slow and this bad boy is paid for not to mention the 5/100 warranty will cover any drivetrain issues that might pop up pounding this poor unit snowplowing cuz it ain't no driveway queen! |
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I have a 2006 Silverado 2500 4x4 with a 4.10 rear end and 6.0L engine. This problem is getting worse and worse. The truck shifts fine until I get up to interstate speeds (65-70mph) and then hesitates prior to going into overdrive. It will run 2800 rpm at 70mph on flat land. The only times it will go into overdrive is when just starting up a hill (sometimes). When in OD, it will hold 70mph up a 9% grade at 2400 rpm. As soon as the road levels off or starts down, the rpms will jump back to 2800 and it will no longer be in OD and will not return to OD. My interstate mileage has dropped from 14 to 10 with no load. Any ideas? Torque Converter issue possibly? On a side note, the computer has been spewing out codes indicating 3 of the 8 cylinders are repeatedly misfiring. Dealer has cleaned the fuel injectors and ran some sort of GM fuel system cleaner through the system, but the problem persists. |
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