2002 JEEP LIBERTY 3.7 v6

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Page 1239 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual REMOVAL
CAUTION: When the timing chain is removed and
the cylinder heads are still installed, DO NOT force-
fully rotate the camshafts or crankshaft indepen-
dently of each other. Severe valve and/or

Page 1240 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual NOTE: When the camshaft is removed the rocker
arms may slide downward, mark the rocker arms
before removing camshaft.
(9) Remove the camshaft bearing caps and the
camshaft.
INSTALLATION
(1) Lubricate

Page 1241 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual INSTALLATION
CAUTION: Do not use harsh cleaners to clean the
cylinder head covers. Severe damage to covers
may occur.
NOTE: The gasket may be used again, provided no
cuts, tears, or deformation has oc

Page 1242 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual valve. Remove the valve and examine the valve face.
If the blue is transferred below the top edge of the
valve face, lower the valve seat using a 15 degree
stone. If the blue is transferred to the bot

Page 1243 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual TESTING VALVE SPRINGS
NOTE: Whenever the valves are removed from the
cylinder head it is recommended that the valve
springs be inspected and tested for reuse.
Inspect the valve springs for physical si

Page 1244 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ROCKER ARM
DESCRIPTION
The rocker arms are steel stampings with an inte-
gral roller bearing. The rocker arms incorporate a 2.8
mm (0.11 inch) oil hole in the lash adjuster socket for
roller and camsh

Page 1245 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (9) Using Special Tool 8516 Valve Spring Compres-
sor, install the rocker arms and the hydraulic lash
adjusters.
(10) Install the cylinder head cover. Refer to Cylin-
der Head Cover in this Section.
C

Page 1246 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual VISUAL TEST METHOD
With the engine cool, remove the coolant pressure
cap. Start the engine and allow it to warm up until
thermostat opens.
If a large combustion/compression pressure leak
exists, bubbl