2002 JEEP GRAND CHEROKEE engine oil

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Page 1314 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ²Abrasive pad or paper to clean cylinder block
and head
²High speed power tool with an abrasive pad or a
wire brush (Fig. 2)
NOTE: Multi-Layer Steel (MLS) head gaskets require
a scratch free sealing

Page 1315 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (13) Disconnect the engine block heater power
cable from the block heater.
(14) Lower vehicle.
(15) Remove throttle body resonator assembly and
inlet hose.
(16) Disconnect throttle and speed control c

Page 1316 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (32) Disconnect body ground strap at the right side
cowl.
NOTE: It will be necessary to support the transmis-
sion in order to remove the engine.
(33) Position a suitable jack under the transmis-
sion

Page 1317 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ²Camshaft Position (CMP) Sensor
²Coil Over Plugs
(10) Install generator (Refer to 8 - ELECTRICAL/
CHARGING/GENERATOR - INSTALLATION).
(11) Install radiator (Refer to 7 - COOLING/EN-
GINE/RADIATOR -

Page 1318 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DESCRIPTION SPECIFICATION
PISTON RINGS
Ring Gap
Top Compression Ring 0.37 - 0.63 mm
(0.0146 - 0.0249 in.)
Second Compression
Ring0.37 - 0.63 mm
(0.0146 - 0.0249 in.)
Oil Control (Steel Rails) 0.25 - 0

Page 1319 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DESCRIPTION SPECIFICATION
Exhaust 36.87 - 37.13 mm
1.4516 - 1.4618 in.)
Length (Overall)
Intake 113.45 - 114.21 mm
(4.4666 - 4.4965)
Exhaust 114.92 - 115.68 mm
(4.5244 - 4.5543 in.)
Stem Diameter
Inta

Page 1320 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DESCRIPTION SPECIFICATION
Outer Rotor Clearance
(MAX).235 mm (.0093 in.)
Outer Rotor Diameter
(MIN)85.925 mm (0.400 in.)
Tip Clearance Between
Rotors
(MAX) .150 mm (0.006 in.)
OIL PRESSURE
At Curb Idl

Page 1322 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DESCRIPTION SPECIFICATION
Valve Lift (Zero Lash)
Intake 12.00 mm (0.4724 in.)
Exhaust 10.90 mm (0.4292 in.)
VALVE SPRING
Free Length (Approx)
Intake and Exhaust 48.92 mm (1.9259 in.)
Spring Force (Val