Nissan pathfinder Engine Transmission Valve Body Cleaning and Assembling.

What is a Transmission Valve Body? A transmission valve body is the brain of an automatic transmission outputting signals to engage the clutch and shift at the appropriate time. There are two types of transmission valve bodies; an electronic valve body and a hydraulic valve body. What are the Warning Signs of a Bad Valve Body? 1) Trouble shifting into lower gear 2) gears slipping suddenly without warning 3) downshifting or upshifting on its own 4) slow shifting or pausing when you try to accelerate or decelerate 5)RPMs increase when upshifting 6)audible banging sound when the vehicle changes gears