does anyone know how to clean pressure valves?

 

I use carb cleaner and Berryman's B12. Look at the spring and plunger and make sure they are aligned properly. Sometimes they get askew and cause problems.

 

Get some parts/carb cleaner pour it in a bucket/container and soak the ends of the parts in it for a while to loosen. Take off any parts/screens and clean with spray can of carb cleaner or similar. Dont use pressurized air as you can damage the sensor.

 

Ok but how do I take the pressure valves out? And what does cleaning the pressure vales do?

 

The bolt onto the transmission with 10mm bolts. If there is buildup it will help your transmission shift better. If your transmission is slipping, and not just jumping gears, then cleaning the valves will likely do nothing to help you.