Q: Engine overheating - 1983 Chevrolet Impala

asked by on November 03, 2016

I have a 1983 Chevy impala it had 70k mile when I bought it. I've had it for a lil over two years being put a lil over 10k miles on the register. Reads 83k. Lately bout two months ago the engine light pops on and car still drove fine but now it won't shift into third gear at all and the engine keeps over heating and white smoke come from were you put oil into the engine. Also a bubble/ boiling noise under thee hood when I've driven a lil over thirty mins and turn the car off. I figured I will need a new tranny but how do I stop the engine from over heating? New thermostat? Or water pump failed?? I toped it off wit 50/50 coolant but it seem like it not going thru the cycle of cooling. And had a leak rust color at front of the engine i think from wear the water pump would b located. I need help

My car has 83000 miles.
My car has an automatic transmission.

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