Section 05
ENGINE (4-TEC)
Subsection 07
(LUBRICATION SYSTEM)
05-07-12
SMR2002_071_05_07A.FM
Using a vernier depth gage, measure side wear as
shown.
1. PTO housing surface
2. Vernier depth gauge
1. Oil pump outer rotor surface
2. Vernier depth gage
Difference between pump housing and outer rotor
should not exceed 0.1 mm (.004 in). If so, replace
replace the complete oil pump assembly.
NOTE:
When the axial clearance of the oil pump
shaft assembly increases, the oil pressure de-
creases.
Check the inside of oil pump housing and its cover
for scoring or other damages and replace if dam-
aged.
Installation
For installation, reverse the removal procedure. Pay
attention to the following details.
NOTE:
Never use oil in the press fit area of the ro-
tary seal.
Push coolant/oil pump shaft seal in place by using
thumb.
1. Oil seal
Install the new rotary seal by using the rotary seal
pusher (P/N 529 035 823).
CAUTION:
Never use a hammer for the rotary
seal or coolant/oil pump shaft installation. Only
use a press to avoid damaging the ceramic com-
ponent.
1. Rotary seal
2. Rotary seal pusher
1
R1503motr131A
2
R1503motr132A
1
2
1
R1503motr128A
1
R1503motr141A
2
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Summary of Contents for GTX 4-TEC 5573 2002
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