2008 Chevrolet Silverado 1500 Q&A

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

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. -
Answer 1
Did the rpms actually go up or is it with the clusters..?? -