Pontiac FIREBIRD 1972 Service Manual page 1225

1972 PONTIAC SERVICE MANUAL
STEERING GEAR HOSE CONNECTOR
SEATS AND POPPET CHECK VALVE
REMOVE
NOTE: The following procedure can be per-
formed on car as well as on bench.
1. Disconnect pressure and return line hoses at steering
gear and secure hose ends in a raised position to
prevent loss of fluid.
2. To prevent metal chips from becoming lodged in
valve assembly, pack inside of connector seats of
pressure and return port housing with petrolatum.
3. Tap threads in connector seats, using a 5/16"-18 tap.
CAUTION: Do not tap threads too deep ii pres-
sure hose connector seat as tap will bottom
poppet valve against housing and damage it. It
is necessary to tap only 2 or 3 threads deep.
4. Thread a 5/16"-18 bolt with a nut and flat washer
into tapped hole (Fig. 9-98).
5. To pull connector seat, hold bolt from rotating while
turning nut off bolt. This will pull connector from
housing. Discard connector seat.
NOTE: It is also possible to remove connector
by using a No. 4 screw extractor.
6. Wipe petrolatum from housing and clean housing
thoroughly to remove any metal chips or dirt.
7. Remove poppet check valve and spring from pressure
port and discard.
Fig. 9-98 Removing Hose Connector Seat
INSTALL
1. Install new check valve spring in pressure port with
large end down. Make sure spring is seated in coun-
terbore in pressure port.
2. Install new check valve over spring with tangs point-
ing down. Make sure valve is centered on small end
of spring.
3. Install new connector seats, using petrolatum to hold
connector seat on check valve in pressure port. Drive
connector seats in place using valve connector seat
installer J 6217 (Fig. 9-99).
4. Check operation of valve by pushing lightly against
valve with a small punch or small rod. Valve should
reseat itself against connector seat when pressure is
removed from spring.
5. Connect pressure and return line hoses on steering
gear. Tighten hose fittings to 30 lb. ft.
6. Check fluid in pump reservoir and add if necessary
(see POWER STEERING PUMP DESCRIP-
TION).
PITMAN SHAFT NEEDLE BEARING AND
SEALS
REMOVE
CAUTION:
When prying out seals, be ex-
tremely careful not to score the housing bore.
1. If pitman shaft seals ONLY are to be replaced,
remove the seal retaining ring with internal pliers J
Fig. 9-99 Installing New Connector i n Housing Using Tool
J 6217