Jeep Wrangler 1997 Manual page 727

TJ
REMOVAL AND INSTALLATION (Continued)
(9)
Perform the Fuel System Pressure Release pro-
cedure (refer to Group 14, Fuel System) .
(10) Disconnect the quick-connect fuel lines at the
fuel rail and return line by squeezing the retaining
tabs against the fuel tube . Pull the fuel tube and
retainer from the quick- connect fitting (refer to
Group 14, Fuel System for the proper procedure).
(11) Remove the fuel line bracket from the intake
manifold .
(12) Disconnect the engine ground strap.
(13) Remove the air cleaner.
(14) Disconnect the vacuum purge hose at the fuel
vapor canister tee .
(15) Disconnect the idle speed actuator wire con-
nector.
(16) Disconnect the throttle cable and remove it
from the bracket .
(17) Disconnect the throttle rod at the bellcrank .
(18) Disconnect the speed control cable, if
equipped .
(19) Disconnect the oxygen sensor wire connector.
(20) Remove the upper radiator hose and coolant
recovery hose .
(21) Disconnect lower radiator hoses at the radia-
tor.
(22) Disconnect the coolant hoses from the rear of
the intake manifold and thermostat housing.
(23) Remove the fan shroud screws .
(24) Remove the radiator attaching bolts.
(25) Remove the radiator and fan shroud . Refer to
Group 7, Cooling System for the proper procedure .
(26) Remove the fan and spacer or Tempatrol fan
assembly.
(27) Install a 5/16 X 1/2-inch SAE capscrew
through fan pulley into water pump flange . This will
maintain the pulley and water pump in alignment
when crankshaft is rotated .
(28) Remove the power brake vacuum check valve
from the booster, if equipped .
(29) If equipped with power steering :
(a) Disconnect the hoses from the fittings at the
steering gear.
(b) Drain the pump reservoir.
(c) Cap the fittings on the hoses and steering
gear to prevent foreign objects from entering the
system .
(30) Lift the vehicle and support it with support
stands .
(31) Remove the starter motor.
(32) Remove the flywheel housing access cover.
(33) Remove the engine support cushion-to-bracket
through bolts.
(34) Disconnect the exhaust pipe from the mani-
fold.
(35) Remove the upper flywheel housing bolts and
loosen the bottom bolts.
4.OL ENGINE
9 - 65
(36) Lower the vehicle .
(37) Attach a lifting device to the engine .
(38) Raise the engine off the front supports .
(39) Place a support stand under the flywheel
housing.
(40) Remove the remaining flywheel housing bolts .
(41) Lift the engine out of the engine compartment
and install on an engine stand .
INSTALLATION
(1)
Lift the engine off the stand and lower it into
the engine compartment . For easier installation, it
may be useful to remove the engine support cushions
from the engine support brackets as an aide for
alignment of the engine-to-transmission .
(2) Insert the transmission shaft into the clutch
spline.
(3) Align the flywheel housing with the engine .
(4) Install and finger tighten the flywheel housing
lower bolts .
(5) Install the engine support cushions (if
removed) .
(6) Remove the support stand from beneath the
flywheel housing .
(7) Lower the engine and engine support cushions
onto the engine compartment brackets . Ensure that
the bolt holes are aligned . Install the bolts and
tighten the nuts .
(8) Remove the engine lifting device .
(9) Raise the vehicle .
(10) Attach the exhaust pipe to the manifold .
Install and tighten the nuts to 31 N-m (23 ft. lbs .)
torque.
(11) Install the flywheel housing access cover.
(12) Install the remaining flywheel housing bolts .
Tighten the bolts to 38 N-m (28 ft . lbs .) torque .
(13) Install the starter motor and connect the
cable . Tighten the bolts to 45 N-m (33 ft . lbs .) torque .
(14) Lower the vehicle .
(15) Connect the coolant hoses and tighten the
clamps .
(16) Remove the pulley-to-water pump flange
alignment capscrew and install the fan and spacer or
Tempatrol fan assembly.
(17) Tighten the serpentine drive belt according to
the specifications listed in Group 7, Cooling System .
(18) Install the fan shroud and radiator (refer to
Group 7, Cooling System for the proper procedure) .
(19) Connect the radiator hoses .
(20) Connect the throttle valve rod and retainer .
(21) Connect the throttle cable and install the rod .
(22) Install the throttle valve rod spring .
(23) Connect the speed control cable, if equipped .
(24) Connect the oxygen sensor wire connector.
(25) Install the vacuum hose and check valve on
the brake booster.