Pontiac FIREBIRD 1972 Service Manual page 541

SIX CYLINDER ENGINE 6-29
Fig. 6 - 4 0 Checking Valve Spring Installed Height
2. Remove fan and water pump pulley.
3. Remove radiator core and fan belt,
4. Install tool 5-6978 to balancer and turn puller screw
to remove balancer (Fig. 6-41). Then remove tool
from balancer.
REPLACE
1. Coat front cover oil seal contact area of balancer with
engine oil.
2. Attach balancer installer tool 5-22197 to balancer
(Fig. 6-42).
3. Position balancer on crankshaft and drive into posi-
tion until it bottoms against crankshaft gear.
Fig. 6 - 4 2 Installing Harmonic Balancer
4. Install water pump pulley, fan and fan belt and adjust
belt tension (see Section 6A).
5. Install radiator core and connect radiator hoses.
6. Fill cooling system and check for leaks.
TIMING GEAR COVER
REMOVE
1. Remove harmonic balancer as previously described.
2. Loosen oil pan bolts and let oil pan rest against front
crossmember.
3. Remove timing gear cover attaching screws and
remove cover and gasket.
OIL SEAL
REPLACE
(Seal can also be replaced with timing gear cover in-
stalled.)
Fig. 6-4 1 Removing Harmonic Balancer