Main Control Valve Body - Disassembly/Assembly

Main Control Valve Body
Disassembly






1. Remove three Torx head screws retaining valve body separating plate and control valve body to case gasket to valve body.






2. Remove the valve body separating plate. This plate is not serviced separately.

Valve Body, Gasket, Separator Plate:

3. Remove the main control to case gasket and separator to main control gasket. Replace with new main control to case gasket and separator to main control gasket.

Bore Location, Main Control Valve Body (Part 1 Of 2):

Bore Location, Main Control Valve Body (Part 2 Of 2):

4. Clean and inspect valve body.

Bore 200:

Bore 201:

Bore 202:

Bore 203:

Bore 204:

Bore 205:

Bore 206:

Bore 207:

Bore 208:

Bore 209:

Bore 210:

Bore 211:

Bore 212:

Bore 213:

NOTE: Throttle Valve boost valve and spring are calibration dependent. With longer valve (approximately .015 inch), spring is omitted.

Bore 214:

Bore 215:

Bore 216:

Assembly

Main Control Valve Body:

1. CAUTION: Make sure all holes in gasket line up with holes in separator plate.

Make sure all check balls, retainers, springs and valves are installed properly.

2. NOTE: Petroleum jelly can be used to hold gasket in place.

Install a new valve body-to-separator plate gasket.






3. Install the separator plate using two tapered punches at locations "E" to align gasket and separator plate-to-valve body. Install three Torx head screws to retain separator plate and gasket to valve body. Tighten screw to 6-8 Nm (53-71 lb-in).


4. Remove alignment punches.

5. NOTE: Use petroleum jelly to hold the gasket in place.


Install and align (upper) separator plate to case gasket.