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Chevy Silverado and GMC Sierra Duramax Diesel Questions

237 messages,  Last post on Feb 10, 2010 at 7:26 PM

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What is this discussion about? Chevrolet Silverado 2500, GMC Sierra 2500, Chevrolet Silverado 3500, GMC Sierra 3500, Engine, Diesel, Truck

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#217 of 237 Re: White smoke after idleing for a couple minutes. [shrimp1004] by duratax Nov 11, 2009 (3:25 pm)
Replying to: shrimp1004 (Nov 11, 2009 1:12 pm) Kinda sounds like a head gasket... You may want to keep an eye on the coolant level.. My 2005 just cracked a piston and blew allot of white smoke. It happened all at once though.. Good luck,   K
#218 of 237 Duramax Turbo Leaking Oil by glenn14 Nov 14, 2009 (6:36 pm)
05 Sierra Duramax with 56k miles has started leaking oil from the turbo intake. It drips down on the inside fender well just below the air filter case. The dealer is ordering new turbo rubber adapter hose and clamps indicating that there is a crack in the hose. They did check for gasket leakage and blow-by at the manifold. I don't understand how oil is getting into this turbo intake hose that should only be getting air for the turbo from up by the radiator/front grill. What am I missing and any suggestions?
#219 of 237 Re: Injectors [qdaddy] by ehj Dec 04, 2009 (2:50 pm)
Replying to: qdaddy (Oct 29, 2009 9:28 am) My 04 GMC Sierra Duramax Diesel has also had several sets of injectors replaced. I also have a recurring problem with the alternator system. The most recent event started with the voltage guage jumping around while running at high speeds and the lights were flickering. I had the alternator replaced 6-months prior to this. When I brought it in, they said weren't sure, but replaced the alternator under a part warranty claim. They also replaced a battery at this time. Coincidentally, two weeks later, the injectors failed. Is there any chance these are related in any way? It's been two months since then and now the voltage guage is starting to drop down to 10V when the lights are turned on. This is the fourth set of injectors, and at least the 3rd alternator. Replies to this message: folb (Dec 04, 2009 5:59 pm)
#220 of 237 Re: Injectors [ehj] by folb Dec 04, 2009 (5:59 pm)
Replying to: ehj (Dec 04, 2009 2:50 pm) Check your ground strap. Have you had a lift kit installed?
#221 of 237 Help by nsanford Dec 09, 2009 (12:36 pm)
My BlockHeater stopped working i think it just got un plugged from the heating element it is -20 in wyoming this week i need to plug it back in but dont know where the freeze plug is or the element it self is where is it located next to the oil filter please help
#222 of 237 transmission lines by tr11 Dec 11, 2009 (12:26 pm)
Hi all,   I have a 2007 2500 duramax and the compression fittings for the transmission started leaking at 35,000. I had three of them fixed under warranty. Now, at 67,000 and less than one year later the same ones are leaking again. The dealership says it is not covered even though they fixed it a year ago. They are a good dealership, and they have good guys there as well, but I feel compelled to ask you all if this shouldn't be covered? Any ideas?   Thanks. TR
#223 of 237 Oil additives Lucas by bayou4us Dec 11, 2009 (5:09 pm)
07 4x4 GMC Duromax 6.6. My mileage just keeps dropping. 21 miles to the gallon on the 4-lane when I first bought it brand new. Now it's down to 16. Just replace oil again and put two quarts of Lucas with oil and it dropped to 12 mpg in town. Is it harmfull to put the Lucas in this engine or my truck has some problems?
#224 of 237 Re: 03 gmc duramax good? bad?trouble? [evansdad] by cthom10388 Dec 15, 2009 (4:08 pm)
Replying to: evansdad (Nov 06, 2009 5:13 am) I have an 05 2500 duramax and an 06 ram 3500 mega with cummins, the chevy has been the biggest junk I have ever owned, I have bought a lot of new trucks and these 2 I bought new, I will never buy another gm again and wouldn't trade my dodge for one, think long and hard about it Replies to this message: lspillman (Dec 16, 2009 11:25 am)
#225 of 237 Re: 03 gmc duramax good? bad?trouble? [cthom10388] by lspillman Dec 16, 2009 (11:25 am)
Replying to: cthom10388 (Dec 15, 2009 4:08 pm) I owned Ford diesels which are great trucks but Ford ticked me off so I bought a Dodge cummins and that was a total piece of junk so I bought a Duramax and it has been been a good truck up to 85,000 miles now I have oil pressure problems. I would buy a new Duramax but as GM (and Chrysler) declared bankruptcy I will not do business with either so I am going to buy a new Ford diesel or a Toyota Tundra. I will not do business with liars cheats and theives and that is exactly what GM and Chrysler are.
#226 of 237 help help help by evansdad Jan 09, 2010 (5:18 am)
Please help I have a 2004 D-MAX 2500 I pulled out of my driveway this morning and losed my power steering and my power brakes any idea what could have happened its been cold where I live but please reply somebody Replies to this message: catam (Jan 10, 2010 10:27 am)

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