1994 JEEP CHEROKEE engine

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Page 918 of 1784

JEEP CHEROKEE 1994  Service Repair Manual The difference between cylinder bore diameter and
piston diameter is piston-to-bore clearance.
FEELER GAUGE METHOD
(1) Remove the rings from the piston.
(2) Insert a long 0.025 mm (0.001 inch) feeler

Page 919 of 1784

JEEP CHEROKEE 1994  Service Repair Manual (6) Remove the piston and connecting rod assembly
from the press. The pin should be centered in the
connecting rod (60.792 mm or60.0312 inch) and
float in the piston pin bore.
PISTON RING FITTING
(1)

Page 920 of 1784

JEEP CHEROKEE 1994  Service Repair Manual ²No. 1 Compression ring - Gap 180É from No. 2
compression ring gap.
CLEANING
Clean the cylinder bores thoroughly. Apply a light
film of clean engine oil to the bores with a clean lint-
free cloth.
I

Page 921 of 1784

JEEP CHEROKEE 1994  Service Repair Manual CAUTION: Ensure that connecting rod bolts DO
NOT scratch the crankshaft journals or cylinder
walls. Short pieces of rubber hose slipped over the
connecting rod bolts will provide protection during
ins

Page 922 of 1784

JEEP CHEROKEE 1994  Service Repair Manual the insert approximately 25 mm (1 inch), it can be
removed by applying pressure under the tab.
(8) Using the same procedure described above, re-
move the remaining bearing inserts one at a time for
in

Page 923 of 1784

JEEP CHEROKEE 1994  Service Repair Manual DO NOT rotate the crankshaft. This will cause
the Plastigage to shift, resulting in an inaccurate
reading. Plastigage must not be permitted to
crumble. If brittle, obtain fresh stock.
Remove the beari

Page 924 of 1784

JEEP CHEROKEE 1994  Service Repair Manual MAIN BEARING FITTING CHART
J4.0L ENGINE 9 - 83

Page 925 of 1784

JEEP CHEROKEE 1994  Service Repair Manual (8) Check crankshaft end play. Crankshaft end
play is controlled by the thrust bearing which is
flange and installed at the No.2 main bearing posi-
tion.
(a) Attach a magnetic base dial indicator to t