Jeep Liberty KJ. Manual — part 933
TENSIONER AND PULLEY-TIMING BELT AND CHAIN
REMOVAL
NOTE: Before servicing the timing belt, the engine
must be rotate to 90 degrees ATDC and alignment
pin VM.1089 installed (Refer to 9 - ENGINE/VALVE
TIMING - STANDARD PROCEDURE).
1. Disconnect negative battery cable.
2. Remove engine cover (Refer to 9 - ENGINE
COVER - REMOVAL).
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 cooling fan support (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL).
6. Remove vibration damper (Refer to 9 - ENGINE/
ENGINE
BLOCK/VIBRATION
DAMPER
-
REMOVAL).
7. Remove the power steering pump pulley.
8. Remove timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - REMOVAL).
9. Loosen and remove timing belt tensioner.
INSTALLATION
NOTE: DO NOT remove the timing belt from the
package until it’s ready to be installed. DO NOT
expose timing belt to oil, grease or water contam-
ination. DO NOT crimp belt at a sharp angle. DO
NOT clean belt, pulleys or tensioner with solvent.
Check that pulleys and bearings are not seized or
damage before installing belt.
1. Install timing belt tensioner and retaining bolt.
2. Adjust timing belt tensioner (Refer to 9 - ENGINE/
VALVE
TIMING/TMNG
BELT/CHAIN
TENSIONER&PULLEY - ADJUSTMENTS).
3. Install timing belt outer cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
COVER(S) - INSTALLATION).
4. Install vibration damper (Refer to 9 - ENGINE/EN-
GINE BLOCK/VIBRATION DAMPER - INSTALLA-
TION).
5. Install the power steering pump pulley.
6. Install cooling fan support (Refer to 7 - COOLING/
ENGINE/RADIATOR FAN - INSTALLATION).
7. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
8. Install cooling fan and fan drive viscous clutch assembly (Refer to 7 - COOLING/ENGINE/FAN DRIVE VISCOUS
CLUTCH - INSTALLATION).
9. Install engine cover (Refer to 9 - ENGINE COVER - INSTALLATION).
9 - 1690
ENGINE - 2.8L DIESEL
KJ
10. Connect negative battery cable.
ADJUSTMENTS
ADJUSTMENT - TIMING BELT TENSIONER
1. With timing belt outer cover removed and timing
belt installed.
2. Loosen timing belt tensioner.
3. Align timing belt tensioner using special tool 9660,
with the alignment pointer as shown and torque
timing belt tensioner retaining bolt to 34.7N·m.(26
ft. lbs.)..
4. Rotate engine 2 complete revolution and then
recheck tensioner alignment. Readjust tensioner
alignment as necessary.
KJ
ENGINE - 2.8L DIESEL
9 - 1691
EXHAUST SYSTEM
TABLE OF CONTENTS
page
page
EXHAUST SYSTEM AND TURBOCHARGER
DIAGNOSIS AND TESTING - EXHAUST
SYSTEM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DIESEL ENGINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TORQUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CATALYTIC CONVERTER
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
REMOVAL
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
INSTALLATION
MUFFLER
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
HEAT SHIELDS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TURBOCHARGER SYSTEM
TURBOCHARGER BOOST PRESSURE . . . . . . . 12
CHARGE AIR COOLER AND PLUMBING
CHARGE AIR COOLER SYSTEM - LEAKS . . . . 13
CHARGE AIR COOLER INLET HOSE . . . . . . . . . 14
CHARGE AIR COOLER OUTLET HOSE . . . . . . . 15
CHARGE AIR COOLER INLET HOSE . . . . . . . . . 15
CHARGE AIR COOLER OUTLET HOSE . . . . . . . 15
TURBOCHARGER
KJ
EXHAUST SYSTEM
11 - 1
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