Crankcase Front Cover; Removal; Installation - Chevrolet Light Duty Truck 1973 Service Manual

Fig. 13L—Crankshaft Oil Seal (Rear Main)
CAUTION:
I n s ta ll t o ol i n crankshaft so that a t
l e a s t 1/2" of thread engagement i s obtained.
b. Position damper on crankshaft, aligning
damper with key on crankshaft.
c. Install plate, thrust bearing and nut to complete
tool installation.
d. Pull damper into position as shown in Figure
11L.
e. Remove tool from crankshaft.
3. Install fan belt and adjust, using strand tension
gauge.
4. If so equipped, install accessory drive pulley and
belt.
5. Install radiator core as outlined in Section 13.
. Connect radiator hoses.
6
7. Fill cooling system and check for leaks.
Fig. 14L—Sealing Bearing Cap

Crankcase Front Cover

Removal

1. Remove torsional damper as outlined.
2. Remove the two, oil pan-to-front cover attaching
screws.
APPLY 3. Remove the front cover-to-block attaching screws.
SEALANT
4. Pull the cover slightly forward only enough to
TO SHADED
permit cutting of oil pan front seal.
AREAS ONLY
5. Using a sharp knife or other suitable cutting tool,
cut oil pan front seal flush with cylinder block at
both sides of cover (fig. 18L).
. Remove front cover and attached portion of oil pan
6
front seal. Remove front cover gasket.

Installation

1. Clean gasket surfaces on block and crankcase front
cover.
Fig. 15L—Removing Torsional Damper
Fig. 16L—Installing Torsional Damper (Drive on
Type)
LIGHT DUTY TRUCK SERVICE MANUAL
E N G IN E 6-31