AX4S
DISASSEMBLY1. 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.
CAUTION: Do not pull on wiring. Pull on connector.
2. Remove three accumulator piston shafts.
3. Using Lock Ring Pliers, remove three accumulator pistons. Remove seals and O-ring from pistons.
CAUTION: Do not use any objects in piston shaft bore for removal or damage to bore may result.
4. Using side cutters, carefully remove bimetal retaining pin collars and remove bimetal and plate.
CAUTION: Use care not to damage machined case surfaces or bimetallic strips.
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 in lb).
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.
Bi-metal Metal Strip Installation:
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.
Accumulator Piston Seals And O-rings Installation:
8. Install new seals and O-ring on accumulator pistons.
NOTE: Lube seals and O-ring with a light coating of petroleum jelly.
9. Install accumulator pistons into their proper cylinder.
CAUTION: Do not allow pistons to misalign in their bores. Seal and bore damage may result.
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.