Jeep Liberty KJ. Manual — part 924
CAUTION: Care must be taken not to nick crank-
shaft journal when installing pistons.
5. Rotate crankshaft so that the connecting rod jour-
nal is on the center of the cylinder bore. Insert rod
and piston into cylinder bore and guide rod over
the crankshaft journal.
6. Guide the piston down in cylinder bore, using a
hammer handle. At the same time, guide connect-
ing rod into position on connecting rod journal.
7. Install connecting rod caps. Install rod bolts and
torque to 10N·m (88 lbs. in.). Torque bolts the next
stage to 30N·m (22 ft.lb.) plus 60°. Then with a
torque wrench set at torque to 88N·m (65 ft.lb),
make a tightening check.
8. Install cylinder head (Refer to 9 - ENGINE/CYLIN-
DER HEAD - INSTALLATION).
9. Install balance shaft assembly (Refer to 9 -
ENGINE/VALVE
TIMING/BALANCE
SHAFT
-
INSTALLATION).
10. Install oil pump pickup tube (Refer to 9 - ENGINE/
LUBRICATION/OIL PUMP - INSTALLATION).
11. Install oil pan (Refer to 9 - ENGINE/LUBRICATION/OIL PAN - INSTALLATION).
12. Connect negative battery cable.
9 - 1654
ENGINE - 2.8L DIESEL
KJ
DAMPER-VIBRATION
REMOVAL
1. Disconnect negative battery cable.
2. Remove viscous cooling fan and shrowd (Refer to
7
-
COOLING/ENGINE/FAN
DRIVE
VISCOUS
CLUTCH - REMOVAL).
3. Remove accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
4. Remove vibration damper retaining bolts (1) and
damper (2(.
INSTALLATION
1. Install vibration damper and retaining bolts. Torque bolts to 32.4N·m. (24 ft.lbs.).
2. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
3. Install viscous fan and fan shrowd (Refer to 7 - COOLING/ENGINE/FAN DRIVE VISCOUS CLUTCH - INSTAL-
LATION).
4. Connect negative battery cable.
KJ
ENGINE - 2.8L DIESEL
9 - 1655
PUMP-INTERNAL VACUUM
DESCRIPTION
The diesel engine uses a internal vacuum pump. This
vacuum pump is mounted in the front of the engine
block under the engine front cover. The vacuum pump
is driven by a sprocket on the crankshaft.
REMOVAL
1. Disconnect negative battery cable.
2. Remove cooling fan and fan drive viscous clutch
assembly (Refer to 7 - COOLING/ENGINE/FAN
DRIVE VISCOUS CLUTCH - REMOVAL).
3. Remove accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
4. Remove cooling fan support (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL).
5. Remove vibration damper/crankshaft pulley (Refer
to
9
-
ENGINE/ENGINE
BLOCK/VIBRATION
DAMPER - REMOVAL).
6. Rotate the engine to 90 degrees ATDC and install
alignment pin VM.1089 (Refer to 9 - ENGINE/
VALVE TIMING - STANDARD PROCEDURE).
7. Remove outer timing belt cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - REMOVAL).
CAUTION: Before removing the cylinder head cov-
er/intake manifold or timing belt the engine must
rotated to the 90° ATDC and special tool VM.1089
alignment pin installed. Failure to do so could
result in valve and/or piston damage during reas-
sembly. (Refer to 9 - ENGINE/VALVE TIMING - STANDARD PROCEDURE)
8. Remove timing belt (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS -
REMOVAL).
9. Remove timing belt inner cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) -
REMOVAL).
NOTE: Crankshaft hub has LHD thread.
10. Remove crankshaft hub.
11. Remove front engine cover (Refer to 9 - ENGINE/ENGINE BLOCK/ENGINE COVER - REMOVAL).
12. Remove crankshaft sprocket.
13. Remove vacuum pump.
9 - 1656
ENGINE - 2.8L DIESEL
KJ
INSTALLATION
NOTE: Verify the 3 blades on the vacuum pump
are in place and correctly assembled. The tapered
edge should be on the outer side. Make sure the
pump rotates before installation.
1. Lubricate vacuum pump components and install in
engine block. Torque bolts to 10.8N·m.
2. Install
crankshaft
sprocket.
Torque
bolts
to
10.8N·m.
3. Install front engine cover (Refer to 9 - ENGINE/EN-
GINE BLOCK/ENGINE COVER - INSTALLATION).
4. Install front crankshaft hub. Torque bolt to 304N·m.
5. Install timing belt inner cover (Refer to 9 - ENGINE/
VALVE TIMING/TIMING BELT / CHAIN COVER(S)
- INSTALLATION).
6. Install timing belt (Refer to 9 - ENGINE/VALVE
TIMING/TIMING BELT/CHAIN AND SPROCKETS -
INSTALLATION).
7. Install timing belt outer cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - INSTAL-
LATION).
8. Remove special tool VM.1080 from the engine block 90 degree ATDC alignment hole.
9. Install vibration damper/crankshaft pulley (Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
INSTALLATION).
10. Install cooling fan support (Refer to 7 - COOLING/ENGINE/RADIATOR FAN - INSTALLATION).
11. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
12. Install cooling fan and fan drive viscous clutch assembly (Refer to 7 - COOLING/ENGINE/FAN DRIVE VIS-
COUS CLUTCH - INSTALLATION).
13. Connect negative battery cable.
KJ
ENGINE - 2.8L DIESEL
9 - 1657
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