Spicer Wheel Valve Rebuild Kit – Number 512888 - Manual

10/03 1 of 2 SHAIS148 A
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Spicer
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Axles & Brakes
P/N: SHAIS148
Wheel Valve Rebuild Kit – Number 512888
The following procedure describes the work required for rebuilding the Dana Tire Pressure Control System Wheel Valve
Part number 673480. This requires the removal of the wheel valve from the vehicle. Follow the removal procedure from
the Dana TPCS Service Manual AXSM-0010 to remove the wheel valve from the vehicle.
Removal Procedure:
1. Remove wheel valve filter (5) and discard. (See Service Manual AXSM-0010, page 31.)
2. Remove five cover bolts (13) and remove wheel valve cover (12).
3. Remove two springs from cover (11a & 11b).
4. Remove backing plate (inflate - smaller) (14).
5. Remove backing plate cup (deflate - larger) (10).
6. Remove the inflate (9b) and deflate (9a) diaphragms and discard.
7. Remove inflate seat (8b) and discard o-ring (7b).
8. Insert small drill or punch and push out inflate seat check valve (16) and discard.
9. Remove deflate seat (8a) and discard o-ring (7a).
10. Remove wheel valve body o-ring (15) and discard.
11. Remove exhaust valve flapper retainer (1) and discard.
12. Remove flapper (2) and discard.
13. Remove exhaust flapper backing (3).
14. Remove tank valve (6).
15. Clean wheel valve body (4) and cover (12). Then dry with compressed air.