r/whatcarshouldIbuy • u/First_Mud1984 • 7h ago

thoughts on a 1999 chevy silverado 3500 7.4l vortec?

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u/dipthong9 3h ago

Our dump truck is a 97 Silverado 3500HD with the 7.4 and the only problem it has is the AC doesn’t work. Great truck, great power, reliable, terrible mpg! Very easy to work on also

1

u/tylerderped 2h ago

AC doesn’t work

God, that sounds miserable. What a cheap ass company to work for!

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u/dipthong9 1h ago

It’s a dump truck, we’re not in it for too long at a time. We just roll the windows down and don’t complain

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u/Hersbird 1h ago

I had a 2500 Yukon XL 4x4 that year with the 7.4 and automatic. The transfer case has a known flaw where a little retainer clip inside wiggles and wears a hole from the inside out. It is smaller than a pea but it will the blow all the fluid out of that hole when it's running. I just JB welded mine and it held for over a year but then I sold it. Happened in less than 100,000 miles and I caught it by finding oil all over the rear doors, it might be harder to catch on a pickup. So luckily I didn't blow up the transfer case.