What would cause the the rpms to jump up and the transmission to heat up? on 2008 Chevrolet Silverado 1500

Driving on the highway, the RPM's shot up and then I noticed the trans guage was higher than normal. Just had a new engine put in it and all fluids changed and checked.

by in West Jordan, UT on March 25, 2014
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1 answer
ANSWER by , March 28, 2014
Did the rpms actually go up or is it with the clusters..??