Oil Seal (Front Cover); Replacement - Chevrolet Light Duty Truck 1973 Service Manual

6 -3 2 ENGINE
Fig. 17L—installing Torsional Damper (Pull on Type)
2. Cut tabs from the new oil pan front seal (fig. 19L)
use a sharp instrument to ensure a clean cut.
3. Install seal to front cover, pressing tips into holes
provided in cover.
4. Coat the gasket with gasket sealer and place in
position on cover.
5. Apply a 1/8 inch bead of silicone rubber sealer part
#1051435 (or equivalent) to the joint formed at the
oil pan and cylinder block (fig. 20L).
. Install centering tool J-23042 in crankcase front
6
cover seal (fig. L).
21
NOTE: It is important that centering tool be
used to align crankcase front cover so that
torsional damper installation will not damage
seal and so that seal is positioned evenly
around balancer.
7. Install crankcase front cover to block. Install and
paratially tighten the two, oil pan-to-front cover
screws.
8 Install the front cover-to-block attaching screws.
.
9. Remove centering Tool J-23042 and torque all cover
attaching screws to specifications.
Install torsional damper as outlined.
10
.
CUT THIS PORTION
FROM NEW SEAL
Fig. 19L—Oil Pan Front Seal Modification
Fig. 18L—Cutting Tabs on Oil Pan Front Seal
Fig. 20L— Applying Front Cover Sealer

Oil Seal (Front Cover)

Replacement

With Cover Removed
1. With cover removed, pry seal out of cover from the
front with a large screw driver being careful not to
distort cover.
Fig. 21L— Centering Tool (J-23042) In Cover
LIGHT DUTY TRUCK SERVICE MANUAL