6.5 Turbo Diesel questions - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-07-2003, 03:58 PM
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6.5 Turbo Diesel questions

Ok guys, anyone out there have a 90's Chevy or GMC with the 6.5 diesel engine? looking at buying one, wanna know what common probs they may have. any idea what cost on a replacement engine would be (i plan to keep the truck a long time)? anybody know if a 1/2 ton with the diesel had the 4l60e or the 4l80e tranny? gas mileage? just basically anybody with experience with these engines please give me some feedback.
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post #2 of (permalink) Old 11-07-2003, 04:01 PM
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Re: 6.5 Turbo Diesel questions

I've never seen one in a 1/2 ton so i wouldn't know what tranny was behind them.

I know theres a couple years in the middle of the 90's, 94-97 maybe?, that had problems with cooling and the main webs cracking. I think they say to get a 98+ one and your a good to go but I'm not positive...

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post #3 of (permalink) Old 11-07-2003, 04:13 PM
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Re: 6.5 Turbo Diesel questions

I've seen a couple 1/2 tons with the 6.5 but not sure on tranny. However I know someone with one in a 97 1 ton and the only prob so far was the injector pump going bad, common problem with them.
I suggest you go check out the diesel page for specifics on the 6.5 engine. they are a site dedicated to the 6.2, 6.5 and of course the 6.6.


Never really posted but know the site is said to be good.
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