Jeep Cherokee 2000 Service Manual - page 748
DESCRIPTION
SPECIFICATION
Oil Control Ring
89.66 to 89.92 mm
(3.53 to 3.54 in.)
Piston Pin Bore Diameter
23.650 to 23.658 mm
(0.9312 to 0.9315 in.)
Piston Pin Diameter
23.637 to 23.640 mm
(0.9306 to 0.9307 in.)
Piston to Pin Clearance
0.0102 to 0.0208 mm
(0.0005 to 0.0009 in.)
PISTON RINGS
Ring Gap Clearance
Top Compression Ring
0.229 to 0.610 mm
(0.0090 to 0.0240 in.)
2nd Compression Ring
0.483 to 0.965 mm
(0.0190 to 0.0380 in.)
Oil Control Steel Rails
0.254 to 1.500 mm
(0.010 to 0.060 in.)
Ring Side Clearance
Compression Rings
0.042 to 0.084 mm
(0.0017 to 0.0033 in.)
Oil Control Rings
0.06 to 0.21 mm
(0.0024 to 0.0083 in.)
DESCRIPTION
SPECIFICATION
OIL PUMP AND OIL PRESSURE
Gear to Body Clearance
(Radial)
0.051 to 0.102 mm
(0.002 to 0.004 in.)
(Radial Preferred)
0.051 mm
(0.002 in.)
Gear End Clearance—
Plastigage
0.051 to 0.152 mm
(0.002 to 0.006 in.)
Plastigage Preferred
0.051 mm
(0.002 in.)
Feeler Gauge
0.1016 to 0.2032 mm
(0.004 to 0.008 in.)
Feeler Gauge Preferred
0.1778 mm
(0.007 in.)
Min. Pressure (600 rpm)
89.6 kPa
(13 psi)
Min. Pressure at Idle
(800 rpm)
172 to 241 kPa
(25 to 35 psi)
Min. Pressure at 1600
rpm
and Higher
255 to 517 kPa
(37 to 75 psi)
Oil Pressure Relief
517 kPa
(75 psi)
9 - 58
2.5L ENGINE
XJ
SPECIFICATIONS (Continued)