Jeep Liberty KJ. Manual — part 917
REMOVAL
CAUTION: Before removing the cylinder head cov-
er/intake manifold (2) the engine must rotated to
90° after TDC to assure proper alignment of the
engine timing components. Failure to do so could
result in valve and/or piston damage during reas-
sembly. (Refer to 9 - ENGINE/VALVE TIMING -
STANDARD PROCEDURE)
1. Disconnect negative battery cable.
2. Drain cooling system (Refer to 7 - COOLING/EN-
GINE/COOLANT - STANDARD PROCEDURE).
3. Remove cooling fan and fan drive viscous clutch
assembly (Refer to 7 - COOLING/ENGINE/FAN
DRIVE VISCOUS CLUTCH - REMOVAL).
4. Remove accessory drive belt (Refer to 7 - COOL-
ING/ACCESSORY
DRIVE/DRIVE
BELTS
-
REMOVAL).
5. Remove the vibration damper.
6. Remove cooling fan support (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL).
7. Remove the power steering pump pulley.
8. Rotate the crankshaft to 90 degrees ATDC (Refer to 9 - ENGINE/VALVE TIMING - STANDARD PROCEDURE).
9. Remove outer timing belt cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) -
REMOVAL).
10. Remove timing belt (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS -
REMOVAL).
11. Remove inner timing belt cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) -
REMOVAL).
12. Remove cylinder head cover/intake manifold (2) (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD
COVER(S) - REMOVAL).
NOTE: Lifters must be kept in order of removal and stored in the up right position.
13. Remove rocker arms (1) and lifters (3).
INSTALLATION
1. Clean and inspect gasket sealing surfaces.
2. Install new gasket on cylinder head.
3. Lubricate lifter ball end of lifter(s), valve(s), and rocker arm roller(s) with Mopar
T
Engine Oil Supplement or equiv-
lalent.
4. Connect rocker arm(s) to lifter and reposition on valve(s).
5. Install cylinder head cover/intake manifold (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S)
- INSTALLATION).
6. Install inner timing belt cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - INSTAL-
LATION).
7. Install timing belt (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT/CHAIN AND SPROCKETS - INSTALLA-
TION).
8. Install outer timing belt cover (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - INSTAL-
LATION).
9. Install vibration damper.
10. Install cooling fan support (Refer to 7 - COOLING/ENGINE/RADIATOR FAN - INSTALLATION).
9 - 1626
ENGINE - 2.8L DIESEL
KJ
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. Refill cooling system (Refer to 7 - COOLING/ENGINE/COOLANT - STANDARD PROCEDURE).
14. Connect negative battery cable.
KJ
ENGINE - 2.8L DIESEL
9 - 1627
LIFTERS-HYDRAULIC
DESCRIPTION
Valve lash is controlled by hydraulic tappets located
inside the cylinder head (9), in tappet bores below the
camshafts.
REMOVAL
1.
(Refer to 9 - ENGINE/CYLINDER HEAD/ROCKER ARM / ADJUSTER ASSY - REMOVAL).
INSPECTION
Clean each lifter assembly in cleaning solvent to remove all varnish and sludge deposits. Inspect for indications of
scuffing on the side and base of each lifter body.
INSTALLATION
1.
(Refer to 9 - ENGINE/CYLINDER HEAD/ROCKER ARM / ADJUSTER ASSY - INSTALLATION).
9 - 1628
ENGINE - 2.8L DIESEL
KJ
BLOCK-ENGINE
DESCRIPTION
The 2.8L CRD Diesel engine uses a cast iron engine
block with wet cast iron cylinder liners. The cylinder
block has increased stiffness that reduces structural
flexing and a fractured connecting rod cap design that
can not distort connecting rod cap fit.
KJ
ENGINE - 2.8L DIESEL
9 - 1629
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