Jeep Cherokee 1999 Electronic Service Manual page 1023

9 - 6 ENGINE
GEN ERAL I N FORM AT I ON (Cont inue d)
Fig. 7 Engine Oil Dipstick—4.0L Engine
(5) Rem ove dr a in plu g fr om cr a n kca se a n d a llow
oil t o dr a in in t o pa n . In spect dr a in plu g t h r ea ds for
st r et ch in g or ot h er da m a ge. Repla ce dr a in plu g if
da m a ged.
(6) In st a ll dr a in plu g in cr a n kca se.
(7) Lower veh icle a n d fill cr a n kca se wit h specified
t ype a n d a m ou n t of en gin e oil descr ibed in t h is sec-
t ion .
(8) In st a ll oil fill ca p.
(9) St a r t en gin e a n d in spect for lea ks.
(10) St op en gin e a n d in spect oil level.
ENGINE OIL FILTER CHANGE
FILTER SPECIFICA TION
CAUTION: Do not use oil filter with metric threads.
The proper oil filter has SAE type 3/4 X 16 threads.
An oil filter with metric threads can result in oil
leaks and engine failure.
All J eep en gin es a r e equ ipped wit h a h igh qu a lit y
fu ll-flow, t h r ow-a wa y t ype oil filt er. Ch r ysler Cor po-
r a t ion r ecom m en ds a Mopa r or equ iva len t oil filt er be
u sed.
OIL FILTER REMOVAL
(1) P osit ion a dr a in pa n u n der t h e oil filt er.
(2) Usin g a su it a ble oil filt er wr en ch loosen filt er.
(3) Rot a t e t h e oil filt er cou n t er clockwise t o r em ove
it fr om t h e cylin der block oil filt er boss or filt er
a da pt er h ou sin g (F ig. 8) (F ig. 9).
(4) Wh en filt er sepa r a t es fr om a da pt er n ipple, t ip
ga sket en d u pwa r d t o m in im ize oil spill. Rem ove fil-
t er fr om veh icle.
(5) Ma ke su r e old ga sket com es off wit h oil filt er.
Wit h a wipin g clot h , clea n t h e ga sket sea lin g su r fa ce
(F ig. 10) of oil a n d gr im e.
Fig. 8 Oil Filter—2.5L Engine
Fig. 9 Oil Filter—4.0L Engine
OIL FILTER INSTALLA TION
(1) Ligh t ly lu br ica t e oil filt er ga sket wit h en gin e
oil or ch a ssis gr ea se.
(2) Th r ea d filt er on t o a da pt er n ipple. Wh en ga sket
m a kes con t a ct wit h sea lin g su r fa ce, (F ig. 10) h a n d
t igh t en filt er on e fu ll t u r n , do n ot over t igh t en .
(3) Add oil, ver ify cr a n kca se oil level a n d st a r t
en gin e. In spect for oil lea ks.
Fig. 10 Oil Filter Sealing Surface—Typical
X J