Jeep Cherokee 1999 Electronic Service Manual page 1158

X J
CLEAN I N G AN D I N SPECT I ON (Cont inue d)
Fig. 78 Liner Inspection
OIL PUMP
CLEANING
Wa sh a ll pa r t s in a su it a ble solven t a n d in spect
ca r efu lly for da m a ge or wea r.
INSPECTION
(1) Befor e in st a llin g oil pu m p ch eck pu m p bor e
dept h in block (A) a n d pu m p body h eigh t (B) (F ig.
79). Differ en ce bet ween
0.020-0.082 m m .
Fig. 79 Oil Pump Bore Depth
(2) Ch eck clea r a n ce bet ween r ot or s (F ig. 81).
A a n d B sh ou ld
Fig. 80 Oil Pump Inner and Outer Rotors
be
Fig. 81 Checking Rotor Clearance
ENGINE 9 - 45