Chain Cover
Special Tools:
Disassembly
1. CAUTION: Do not pull on wiring. Pull on connector.
If wiring or chain cover replacement is necessary, compress tabs on both sides of connector from inside of chain cover. Remove connector and wiring from chain cover.
2. Remove three accumulator piston shafts.
3. CAUTION: Do not use any objects in piston shaft bore for removal or damage to bore may result.
Accumulator Piston Service:
Using Lock Ring Pliers, remove three accumulator pistons.
Remove seals and O-ring from pistons.
CAUTION: Use care not to damage machined case surfaces or bimetallic strips.
Using side cutters, carefully remove bimetal retaining pin collars and remove bimetal and plate.
5. Pull retaining pins from cover, using Locknut Pin Remover 211-S060 (T78P-3504-N).
6. Remove manual valve detent spring bolt and spring.
Assembly
1. Install manual valve detent spring and position tab in locator hole. Tighten bolt to 9-12 Nm (80-106 inch lbs.).
Center Pin Max Height:
2. Start bimetal retaining pins in cover. Gently tap center pin to bottom of hole.
3. Place end of bimetal with hole over front retaining pin. Install bimetal retaining collars.
4. Place Bimetal Height Gauge 307-173 (T86P-70422-AR) against retaining pin and under bimetal.
5. Gently tap retaining collar onto pin until it seats against tool edge.
6. Engage slotted end of bimetal under rear retaining pin and retaining collar and then repeat Steps 5 and 6 for slotted end of bimetal.
7. Carefully remove slotted end of bimetal from its pin. Position plate slotted ends onto rear and middle retaining pins. Carefully install slotted end of bimetal under retaining collar.
8. NOTE: Lube seals and O-ring with a light coating of petroleum jelly.
Install new seals and O-ring on accumulator
9. CAUTION: Do not allow pistons to misalign in their bores. Seal and bore damage may result.
Install accumulator pistons into their proper cylinder.
10. Install three accumulator piston shafts.
11. Install new O-ring on connector.
12. Install new connector by pushing into bore from the outside until a click is heard.