ENGINES - 3A-4590-823225--1 1096
Cleaning and Inspection
1. Wash all parts in cleaning solvent and dry with
compressed air.
2. Inspect pump body and cover for cracks or ex-
cessive wear.
3. Inspect pump gears for damage and excessive
wear.
4. Check for loose drive gear shaft in pump body.
5. Inspect inside of pump cover for wear that would
permit oil to leak past ends of gears.
6. Inspect pickup screen and pipe assembly for
damage to screen and pipe.
7. Check pressure regulator valve for fit.
IMPORTANT: Pump gears and body are not serv-
iced separately. If pump gears or body are dam-
aged or worn, replacement of entire oil pump as-
sembly is necessary.
Reassembly
!
CAUTION
Be careful of twisting, shearing or collapsing
pipe while installing in pump. Pickup screen
must be parallel to oil pan bottom when oil pump
is installed.
If pickup screen and pipe assembly was removed,
mount pump in a soft-jawed vise, apply Quicksilver
Perfect Seal to end of new pipe and, using oil pump
suction pipe installer (J-21882), tap the pipe in place
with a hammer.
IMPORTANT: Oil internal parts liberally before in-
stallation.
1. Install pressure regulator valve and related parts.
2. Install drive gear in pump body.
3. Install idler gear in pump body with smooth side
of gear toward pump cover opening. Align marks
made in disassembly.
4. Fill gear cavity with engine oil.
5. Install pump cover and torque attaching screws
to 80 lb. in. (9 N·m).
6. Turn extension shaft by hand to check for smooth
operation.
Installation
1. Install pump, with extension shaft, to rear main
bearing, aligning extension shaft with distributor
drive shaft.
2. Install baffle. Tighten baffle nuts to 25 lb. ft. (34
N·m). Tighten oil pump bolt to 65 lb. ft. (88 N·m).
b
a
c
a - Nuts (5)
b - Baffle
c - Oil Pump
72344
3. Install oil pan as outlined. The one-piece gasket
for the oil pan may be reused if still pliable and not
cracked, torn, etc.
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