Chain Cover
Chain CoverSpecial Tools:
Special Tool(s)
Disassembly
1. NOTE: If a new chain cover is being installed, the main control wire harness will need to be transferred.
Press the tabs and remove the harness.
2. Remove the accumulator piston shafts.
3. CAUTION: Do not use any objects in the piston shaft bore for removal. Damage to the bore will result.
NOTE: Tag and mark the location of the accumulator pistons.
Remove the accumulator pistons.
4. CAUTION: Do not damage the machined surface of the chain cover.
NOTE: The use of side cutters supported by a small piece of wood will aid in the removal of the bimetal retaining collars.
Remove the bimetal element and thermostat plate.
5. Remove the manual valve detent spring.
Assembly
1. Install the manual valve detent spring.
2. Measure the distance that the center bimetal element pin protrudes from the chain cover.
3. Install the bimetal element and the retaining collars.
4. Using the special tool, gently tap the retaining collar onto the pin until it seats against the tool edge.
5. Using the special tool, gently tap the retaining collar onto the pin until it seats against the tool edge.
6. Remove the slotted end of the bimetal element and install the thermostat plate over the end and middle pins.
7. Install the slotted end of the bimetal element under the retaining ring.
8. NOTE: Coat the new seals with petroleum jelly.
Install new seals on the accumulator pistons.
9. CAUTION: Do not allow the pistons to cock in their bores or damage to the seals may result.
Install the pistons into the correct bore of the cover with the spring pocket up.
10. NOTE: The use of petroleum jelly will hold the accumulator piston shafts in place while assembling the chain cover.
Install the accumulator piston shafts.
11. Install the internal wire harness if it was removed.