Checking transmission with bad motor/engine

Asked by Aug 30, 2015 at 08:38 PM about the 2000 Chevrolet Silverado 1500 LT Ext Cab Long Bed 4WD

Question type: Maintenance & Repair

I have a 2000 z71 silverado I got out
of a barter deal for basically free. The
motor is shot. I think it's the bottom
end, it's knocking like hell. My
question is if installing a new/used
motor is the best option per cost and
I want to know if I can check the
transmission with the motor shot. I'd
like to get it fixed up to keep it sell
and I need some advice! Thanks.

Dep

5 Answers

98,335

Call around to some tranny shops some of them may still have a trans box that still works, they mount your tranny inside, hookup the lines and a drive unit, seal it in and fire it up watching the pressures and load values, it was a complex piece of equipment but had fluid leakage flaws, and the company that made them went bye bye. Worth a try.

Do you need a transmission

I think so but I don't know how to find out. I got the truck after the motor was trashed. I can't rebuild a motor so I'm assuming putting in a used one is my best choice, but if the trans is gone I want to replace it at the same time.

98,335

So I would take the tranny to a shop, they could most likely be able to tell you just by the way the fluid looks inside and if there are any metal pieces, if it could be overhauled, might save you a few bucks.

30

Take transmission to a transmission repair shop and have them check it out. Make sure that they wont instantly try to sell you a new one. Used motors are a crap shoot, I would have it checked and rebuilt by a reputable engine builder. GM offers a low end crate engines that don't cost and arm and a leg. Check Jegs or Summit also.

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