Ford Corsar Repair Manual page 717

POWER STEERING GEAR AND LINKAGE (TRW)
12. Using a soft faced mallet, carefully knock the pinion/valve
assembly upwards out of the rack housing. Discard the bush
bearing and shaft seal from the top of the pinion/valve
assembly.
13. Remove teflon sealing rings from valve assembly and discard.
14. Push L/H end of rack in until
it
is flush with the housing.
15. Rotate L/H end bush with tool (E7 197) to locate end of wire clip.
16. Carefully pry up the end, then rotate the bush in the opposite
direction to feed wire out.
17. Using a soft punch, drive the rack out of the housing toward the
L/H side.
18. Remove and discard bush and seal assembly, remove piston
ring and discard.
19. Using special tool E 140 1, tap out the seal and spacer from the
inner end of the rack tube. Discard seal and de-burr the spacer
which may have been marked during this removal.
20. Drive out lower pinion bearing using suitable drift.
lnspect rack teeth for wear, burrs, etc.
Inspection
Thoroughly clean and dry the parts which have been removed.
lnspect ball housing assemblies and tie rod ends for wear or
damage.
lnspect yoke and spring for wear and damage.
lnspect valve assembly for visible wear or damage and check
splines for burrs.
lnspect rack teeth for wear, burrs, etc.
NOTE: The input shaft, spool valve, pinion and torsion bar are
serviced as a balanced assembly and any of the above parts, if
found defective, will require the replacement of the whole
assembly. Attempts to dismantle and repair will result in a
potentially dangerous unbalanced assembly.