(3) Remove the starting motor assembly (figure
(a) If removed, install front and rear adapters
(15) onto cylinder block studs and attach
with lock washers (12), nuts (11), lock
(4) Support the oil pan and remove in numerical
washers (14) and cap screws (13).
(b) Remove all gasket particles from gasket
(a) Loosen hose clamp (1) and remove drain
mounting surface before applying new
hose (2) and clamp (1). Remove drain
gasket. Cement the new oil pan side
cock (3), drain plug (4), and gasket (5).
gaskets (9) to the cylinder block using
shellac, or equivalent.
(b) Remove twenty attaching cap screws (6)
and lock washers (7). Separate the oil
(c) Remove protective coverings from oil pan
pan (8) from cylinder block and remove
adapter seals (10) and apply seals (10) to
gaskets (9). Remove front and rear seals
adapters (15). Make sure both ends of
the seal contact the pan gaskets on each
side. Seal surfaces on adapters (15) must
(c) Only when necessary for replacement,
be free of oil and dirt.
remove nuts (11) and lock washers (12)
from cylinder block studs. Remove cap
(d) Put the oil pan (8) in place and carefully
screws (13), lock washers (14), and the
start all the cap screws. Be sure the lock
two (front and rear) adapters (15).
washers (7) are on the cap screws (6).
Tighten all cap screws evenly and
b. Cleaning and Inspection.
progressively. This will allow the oil pan to
center on the adapter blocks. Do not
(1) Discard all gaskets (9) and seals (10). Make
overtighten oil pan cap screws (see table
sure the gasket mounting surfaces on the oil
pan, cylinder block, and oil pan adapters are
clean and free from burrs.
(e) Install gasket (5), drain plug (4), and drain
cock (3). Attach drain hose (2) to drain
(2) Steam-clean pan (8) and all mounting parts.
cock (3) with hose clamp (1).
(3) Inspect the oil pan (8) for distortion, dents, and
cracks. Check for signs of leakage. Repair
small cracks in pan by welding. Do not weld
(5) Fill crankcase with proper grade and amount of
(4) Check threaded holes and cap screws for
7-16. Oil Pump.
a. Removal and Disassembly.
(1) Before installing the oil pan, inspect the inside of
the engine for loose nuts, screws, cotter pins,
and lock wires; tighten or replace as necessary.
(2) Install the oil pan in reverse numerical sequence