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2000 Sierra 2500HD advice ?


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Posted

Hey, new guy here, I’m looking at getting a 2000 Sierra 2500HD, I’ve never had one of these or had the 6.0L before, it’s a cheaper older truck and has 300,000 KM on it. Says he’s done seals and sensors, plugs n wires transfer case seems strong and tranny seems to be smooth and has shift kit. Also has CAI . Just wondering what I should be looking out for. Any advice would be big help thanks guys. 

Posted

the transfer case is notorious for having a "pump rub" problem, where the internal pump slowly wears a hole in the case, all the fluid comes out while you are driving, then the TC turns into a growly bucket of parts that needs fixing.

 

all the various oil lines leak over time (engine oil, transmission oil, power steering)

 

depending on where you are, brake lines have a rust problem (easy spot to check is where the 4 lines meet in the driver's side wheel well, and go along the frame rail to the ABS controller, they tend to be the worst there because they get splashed from the wheel, but the rear line also gets bad where it's mounted along the frame rail above the fuel tank, but it's difficult to see there).

Posted

Thanks for the tips Davester. Also he says he’s been all over his maintenance but with 300k on original 6.0L motor any idea average life span of these ? I know it’s a broad question just trying to get a general idea 

Posted

I don't know how long these engines last, but they are pretty good. Mine has about 160k miles on it, and the oil level only goes down 1 notch on the dipstick between oil changes (about 5000 miles).

 

For me, the main problem is figuring out why the engine doesn't run efficiently.  Over time, various sensors/whatever slowly go out of whack, and it can be a challenge to figure out which one/s aren't up to snuff.

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