Jeep Cherokee 1999 Electronic Service Manual page 1038

X J
SERV I CE PROCEDU RES (Cont inue d)
Fig. 12 Ring Gap Orientation
Fig. 13 Connecting Rod Bearing Inspection
a n y of t h ese com pon en t s in dica t e t h e pr oba bilit y of a
m isa lign ed con n ect in g r od, in spect it for cor r ect r od
a lign m en t . Repla ce m isa lign ed, ben t or t wist ed con -
n ect in g r ods.
BEARING-TO-JOURNAL CLEARANCE
(1) Wipe t h e oil fr om t h e con n ect in g r od jou r n a l.
(2) Use sh or t r u bber h ose sect ion s over r od bolt s
du r in g in st a lla t ion .
(3) Lu br ica t e t h e u pper bea r in g in ser t a n d in st a ll
in con n ect in g r od.
Fig. 14 Locking Tab Inspection
Fig. 15 Scoring Caused by Insufficient Lubrication
or by Damaged Crankshaft Pin Journal
(4) Use pist on r in g com pr essor t o in st a ll t h e r od
a n d pist on a ssem blies. Th e oil squ ir t h oles in t h e
r ods m u st fa ce t h e ca m sh a ft . Th e a r r ow on t h e pist on
cr own sh ou ld poin t t o t h e fr on t of t h e en gin e (F ig.
16). Ver ify t h a t t h e oil squ ir t h oles in t h e r ods fa ce
t h e ca m sh a ft a n d t h a t t h e a r r ows on t h e pist on s fa ce
t h e fr on t of t h e en gin e.
Fig. 16 Rod and Piston Assembly Installation
(5) In st a ll t h e lower bea r in g in ser t in t h e bea r in g
ca p. Th e lower in ser t m u st be dr y. P la ce st r ip of P la s-
t iga ge a cr oss fu ll widt h of t h e lower in ser t a t t h e cen -
t er of bea r in g ca p. P la st iga ge m u st n ot cr u m ble in
u se. If br it t le, obt a in fr esh st ock.
2.5L ENGINE 9 - 21