Main Control Valve Body
Main Control Valve BodySpecial Tools And Equipment:
Special Tool(s)
CAUTION: Do not stone, file, or sand the valves. This will remove the anodized finish and may result in further main control or transmission damage.
NOTE: The valve body separator plate has a bonded gasket. Do not reuse the gasket, discard.
1. Remove the parts in the order indicated in the following illustration and table. Clean and inspect the valves.
Part 1 Of 3:
Part 2 Of 3:
Part 3 Of 3:
To remove individual parts, only carry out the listed steps:
2. After cleaning the main control valve body, carry out the following.
^ Inspect all valve and plug bores for scoring or burrs.
^ Check all fluid passages for obstructions.
^ Inspect all valves and plugs for burrs.
^ Inspect all mating surfaces for burrs or distortion.
^ Inspect all springs for distortion.
^ Check all valves and plugs for free movement in their respective bores. Valves and plugs, when dry, must fall from their own weight into their respective bores.
^ Roll the manual valve on a flat surface to check for a bent condition.
3. To assemble, reverse the disassembly procedure.
Items 1 and 2: Main Control Valve Body Separator Plate Assembly Note
1. NOTE: Use a new valve body separator plate for main control valve body installation.
Using the special tools, install the main control valve body separator plate.