Jeep Cherokee 2000 Service Manual - page 1599
ASSEMBLY
(1) Measure inside diameter of pump body bushing
with bore gauge or inside micrometer (Fig. 200).
Diameter should be maximum of 38.19 mm (1.5035
in.). Replace pump body if bushing I. D. is greater
than specified.
(2) Measure inside diameter of stator shaft bush-
ing (Fig. 200). Take measurements at front and rear
of bushing. Diameter should be maximum of 21.58
mm (0.08496 in.) at front and 27.08 mm (1.0661 in.)
at rear. Replace stator shaft if bushing diameter is
greater than specified.
(3) Measure oil pump clearances (Fig. 201).
•
Clearance between pump driven gear and pump
body should be maximum of 0.3 mm (0.012 in).
•
Clearance between tips of pump gear teeth
should be maximum of 0.3 mm (0.012 in).
•
Clearance between rear surface of pump housing
and pump gears should be maximum of 0.1 mm
(0.004 in.).
(4) Replace pump body and gears if any clearance
is greater than specified.
Fig. 200 Checking Pump/Stator Shaft Bushings
1 – BORE GAUGE
2 – PUMP BODY BUSHING
3 – BORE GAUGE
4 – STATOR SHAFT BUSHING
Fig. 201 Checking Pump Gear Clearances
XJ
AW–4 AUTOMATIC TRANSMISSION
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DISASSEMBLY AND ASSEMBLY (Continued)