Pontiac FIREBIRD 1972 Service Manual page 1230

STEERING
Remove drive pulley attaching nut (Figs. 6A-22 and
6A-26).
Loosen bracket to pump mounting bolts.
Remove pump belt.
Slide pulley from shaft. Do not hammer on rim of
pulley as this will damage pulley or pump.
Remove bracket to pump bolts.
Drain pump of oil.
Clean exterior of pump.
JMP
DISASSEMBLE
CAUTION: In clamping pump in vise, be care-
ful not to exert excessive force on front hub of
pump as this may distort bushing.
1. Remove union and seal.
2. Remove pump rear mounting bolts.
3. Lift reservoir from housing by tapping reservoir at
flange, rocking back and forth.
4. Remove mounting bolt and union " 0 ring.
5. Remove end plate retaining ring. Push end plate re-
taining ring out of groove, using a punch through
1/8" diameter hole in pump housing (Fig. 9-1 10) and
remove with screwdriv.er. End of retaining ring
should be next to hole to ease removal.
Fig. 9-1 1 0 Removing Retaining Ring
Fig. 9-1 1 1 Removing End Plate
6. Remove end plate and spring. End plate is spring-
loaded and will generally sit above the housing level.
If sticking should occur, a slight tapping action will
free the plate (Fig. 9-1 11).
7. Remove end plate "0" ring.
8. With end cover "0" ring and shaft key removed, tap
very lightly on end of shaft, only until pressure plate
falls free.
-
Fig. 9-1 1 2 Removing Flow Control Valve