Pontiac tempest 1968 - And Replace; Housing Assembly Remove and Replace; Shaft and Sprocket Assembly

6-22 1968 PONTIAC SERVICE MANUAL
4. Install gears*
5. Replace cover using new gasket. Tighten bolts
to 20 lb. ft.
HOUSING ASSEMBLY REMOVE AND REPLACE
REMOVE
1. Remove timing belt top front cover.
2. Align timing marks (Fig. 6-7).
3. Loosen six housing assembly to cylinder block
retaining bolts.
4. Remove timing belt from camshaft sprocket and
distributor drive.
5. Disconnect fuel lines from fuel pump.
6. Remove distributor cap, vacuum lines and wires
from distributor.
7. Remove housing assembly by removing six re-
taining bolts (Fig. 6-38).
REPLACE
1. Using new gaskets, loosely install housing as-
sembly to cylinder block using six retaining bolts.
2. Align timing marks (Fig. 6-7) and install timing
belt.
3. Connect fuel lines to fuel pump.
4. Replace distributor cap, vacuum lines and wires.
5. Adjust timing belt tension. See Fig. 6-12.
6. Replace timing belt top front cover.
H0USING~M0UNTING
Fig. 6-38 Housing Mounting Bolts
OIL FILTER
BY-PASS VALVE
Fig. 6-39 Oil Filter Bypass Valve
OIL FILTER BY-PASS VALVE
REMOVE AND REPLACE
1. Remove housing assembly.
2. Remove by-pass valve retaining screw (Fig.
6-39).
3. Remove by-pass valve.
4. Replace by reversing the above procedures.
SHAFT AND SPROCKET ASSEMBLY-SHAFT SEAL
AND/OR BEARING-FUEL PUMP-ECCENTRIC AND
DISTRIBUTOR DRIVE GEAR
1. Remove housing assembly.
2. Observing and recording location of sprocket
timing mark and direction of distributor rotor, re-,
move distributor.
3. Remove fuel pump eccentric and distributor
drive gear retaining pin (Fig. 6-40).
NOTE: Position shaft assembly so as to allow
adequate clearance in housing body for pin re-
moval.
4. Remove shaft and sprocket assembly from
housing.
5. Inspect shaft assembly seal and bearing.
6. If necessary to replace bearing or seal, use
J 22264 and slide hammer to remove seal or bearing
and seal together (Fig. 6-41).