(7) Slide special tool (VM-1002) over the crank-
shaft gear and, insert the crankshaft and carrier
assembly into the crankcase in the same manner
used for removal.
(8) Align the holes in the lower carriers, with the
center of the crankcase webs (Fig. 58).
(9) Secure each carrier assembly to the crankcase
with the main bearing oil feed and carrier locators
and tighten them to 54 N·m (40 ft. lbs).
(10) Install rear main bearing carrier onto crank-
shaft ensuring arrow on bearing carrier aligns with
vertical web in center of crankcase.
(11) Install rear oil seal.
(12) Install new O-rings in adaptor plate.
(13) Install adaptor plate and tighten bolts to 47
N·m (35 ft. lbs.).
(14) Install bolts to main bearing carrier and
tighten to 26.5 N·m (20 ft. lbs.).
(15) Position flywheel and O-ring on crankshaft
and align bolt holes.
NOTE: For purposes of checking crankshaft end
play, used flywheel bolts may be used. Final assem-
bly requires new flywheel bolts.
(16) Install 2 flywheel bolts, 180° apart, and
tighten bolts to 20 N·m plus 60° (15 ft. lbs.) plus 60°.
(17) Attach dial indicator to engine block.
(18) Move crankshaft toward front of engine and
zero indicator.
(19) Move crankshaft toward the rear of engine
and record measurement.
(20) Subtract specified crankshaft end play from
figure obtained. Crankshaft end play .153 to .304mm
(.0060 to .0119 in.).
(21) Select thrust washers which will give correct
end play.
(22) Remove tools and flywheel.
(23) Lubricate thrust washer halves and fit them
into the rear main bearing carrier.
(24) Ensure that crankshaft end and flywheel mat-
ing surfaces are clean and dry. Install “O” ring in fly-
wheel groove.
(25) To verify correct end play, install 2 flywheel
bolts 180° apart, and tighten bolts to 20 N·m plus 60°
(15 ft. lbs. plus 60°).
(26) Measure crankshaft end play with a dial
gauge. Crankshaft end play should not exceed .153 to
.304mm (.0060 to .0119 in.) (Fig. 59).
(27) Mount flywheel on crankshaft. Lightly oil and
install NEW bolts, tightening to 20 N·m in diametri-
cally opposite pairs. Check that all bolts are at 20
N·m. Tighten each bolt a further 60° +0-5°, tighten-
ing bolts in diametral pairs. Check that all bolts are
tightened to 130 N·m.
(28) Install pistons and connecting rod assemblies,
refer to piston and connecting rods in this section.
(29) Install oil pick up tube and tighten bolts to 25
N·m (18 ft. lbs.).
(30) Install oil pan, refer to oil pan installation in
this section.
(31) Install vacuum pump, being careful to align
the gear timing marks with those on the crankshaft
gear. Tighten retaining screws to 20 N·m (15 ft. lbs.).
Fig. 58 Main Bearing Carrier Alignment
Fig. 59 Measuring Crankshaft End Play
ZG
ENGINE
9 - 37
REMOVAL AND INSTALLATION (Continued)
Summary of Contents for 1997 Grand Cherokee
Page 6: ...FASTENER IDENTIFICATION 4 INTRODUCTION ZG GENERAL INFORMATION Continued ...
Page 9: ...METRIC CONVERSION ZG INTRODUCTION 7 GENERAL INFORMATION Continued ...
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Page 282: ...COOLING SYSTEM DIAGNOSIS DIESEL ENGINE 7 8 COOLING SYSTEM ZG DIAGNOSIS AND TESTING Continued ...
Page 283: ...ZG COOLING SYSTEM 7 9 DIAGNOSIS AND TESTING Continued ...
Page 284: ...7 10 COOLING SYSTEM ZG DIAGNOSIS AND TESTING Continued ...
Page 285: ...ZG COOLING SYSTEM 7 11 DIAGNOSIS AND TESTING Continued ...
Page 286: ...7 12 COOLING SYSTEM ZG DIAGNOSIS AND TESTING Continued ...
Page 290: ...SERPENTINE DRIVE BELT DIAGNOSIS 7 16 COOLING SYSTEM ZG DIAGNOSIS AND TESTING Continued ...
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Page 423: ...VIC Initial Set Up ZG INSTRUMENT PANEL SYSTEMS 8E 21 SERVICE PROCEDURES Continued ...
Page 424: ...VIC Reset 8E 22 INSTRUMENT PANEL SYSTEMS ZG SERVICE PROCEDURES Continued ...
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Page 1655: ...Fig 3 Oil Lubrication System ZG 5 2L ENGINE 9 57 DESCRIPTION AND OPERATION Continued ...
Page 1684: ...TORQUE 9 86 5 2L ENGINE ZG SPECIFICATIONS Continued ...
Page 1689: ...Fig 3 Oil Lubrication System ZG 5 9L ENGINE 9 91 DESCRIPTION AND OPERATION Continued ...
Page 1723: ...DIAGNOSIS AND TESTING SERVICE DIAGNOSIS DIESEL PERFORMANCE ZG ENGINE 9 3 ...
Page 1724: ...9 4 ENGINE ZG DIAGNOSIS AND TESTING Continued ...
Page 1725: ...ZG ENGINE 9 5 DIAGNOSIS AND TESTING Continued ...
Page 1726: ...9 6 ENGINE ZG DIAGNOSIS AND TESTING Continued ...
Page 1727: ...ZG ENGINE 9 7 DIAGNOSIS AND TESTING Continued ...
Page 1728: ...9 8 ENGINE ZG DIAGNOSIS AND TESTING Continued ...
Page 1729: ...SERVICE DIAGNOSIS DIESEL MECHANICAL ZG ENGINE 9 9 DIAGNOSIS AND TESTING Continued ...
Page 1730: ...9 10 ENGINE ZG DIAGNOSIS AND TESTING Continued ...
Page 1731: ...ZG ENGINE 9 11 DIAGNOSIS AND TESTING Continued ...
Page 1762: ...SPECIFICATIONS ENGINE SPECIFICATIONS 9 42 ENGINE ZG ...
Page 1763: ...ZG ENGINE 9 43 SPECIFICATIONS Continued ...
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Page 2122: ...DIAGNOSIS AND TESTING NV231 DIAGNOSIS 21 8 TRANSMISSION AND TRANSFER CASE ZG ...