Main Control Valve Body

Main Control Valve Body

Removal

1. Raise the vehicle on a hoist so the transmission oil pan is accessible.
2. Starting at the rear and working toward the front, loosen the oil pan attaching bolts and drain the fluid from the transmission. If the same fluid is to be used again, filter the fluid through a 100 mesh screen. Reuse the fluid only if the fluid is in good condition.
3. Remove the transmission oil pan attaching bolts, pan and gasket. Discard gasket.
4. Remove three dacron filter to valve body attaching bolts and remove the dacron filter, grommet and gasket. Discard gasket. If the fluid is contaminated, discard the dacron filter (do not clean the filter).
5. Remove the detent spring attaching bolt and spring.
6. Remove the valve body to case attaching bolts (25). Remove the valve body. Discard valve body to case gasket.

Installation

1. Clean and inspect the valve body.
2. Using valve body guide pins, Tool T8OL-77100-A or equivalent, position the valve body to the case, making sure that the inner manual lever and inner TV levers are engaged.
3. Install and tighten (25) valve body-to-case attaching bolts.
4. Install and tighten the detent spring and attaching bolts to specification.
5. Remove the guide pins and install and tighten the remaining two attaching bolts.
6. Load the throttle lever spring against the separator plate.
7. Using three dacron filter attaching bolts install the dacron filter and gasket to the valve body and tighten the attaching bolts to 9-14 N.m (80-120 in-lbs).
8. Clean the transmission oil pan and gasket surfaces thoroughly.
9. Using a new oil pan gasket, secure the pan to the transmission case. Tighten the attaching bolts to 8.0-13.5 N.m (6-10 ft-lbs).
10. Lower the vehicle and till the transmission to the correct level with the specified fluid. Specifications
11. Adjust TV cable linkage as outlined in this Section. Throttle Linkage

DISASSEMBLY AND ASSEMBLY

NOTE: Before beginning the transmission overhaul review the following guidelines These general rules are provided to emphasize the need for attention to detail and care when servicing an automatic transmission