Chrysler Concorde 1993 Service Manual page 403

9 - 20 3.3L ENGINE
INSTALLATION
(1) Install new seal by using Tool C-4992 (Fig. 6).
(2) Place seal into opening with seal spring to-
wards the inside of engine. Install seal until flush
with cover.
(3) Install crankshaft pulley using plate L-4524.
Thrust Bearing/washer and 5.9 inch screw (Fig. 7).
(4) Install accessory drive belt. Refer to Cooling
System Group 7 for installation procedure.
CAMSHAFT
REMOVAL—ENGINE REMOVED FROM
VEHICLE
Remove intake manifold, cylinder head covers, cyl-
inder heads, timing chain case cover and timing
chain. Refer to procedures outlined in this section.
(1) Remove rocker arm and shaft assemblies.
(2) Remove push rods and tappets; identify so each
part will be replaced in its original location.
(3) Remove camshaft thrust plate (Fig. 9).
(4) Install a long bolt into front of camshaft to fa-
cilitate removal of the camshaft; remove camshaft,
being careful not to damage cam bearing with the
cam lobes.
Fig. 9 Camshaft Thrust Plate
Fig. 10 Camshaft and Sprocket Assembly
INSTALLATION
(1) Lubricate camshaft lobes and camshaft bearing
journals and insert the camshaft to within 2 inches of
its final position in cylinder block.
Whenever an engine has been rebuilt or a new
camshaft or tappets have been installed, add one
pint of Chrysler Crankcase Conditioner or
equivalent to engine oil to aid in break in. The oil
mixture should be left in engine for a minimum
of 805km (500 miles) and drained at the next
normal oil change.
(2) Install camshaft thrust plate with two screws as
shown in (Fig. 10). Tighten to 12 N¼m (105 in. lbs.)
torque.
(3) Rotate crankshaft so the timing arrow is to the
12 O'clock position.
(4) Place timing chain around camshaft sprocket
and place the timing arrow to the 6 O'clock position.
(5) Align the dark colored links with the dot on the
camshaft sprocket, place timing chain around crank-
shaft sprocket with the dark colored link lined up with
the dot on sprocket and install camshaft sprocket into
position.
(6) Using straight edge to check alignment of timing
arrows (Fig. 12).
(7) Install the camshaft bolt. Tighten bolt to 54 N¼m
(40 ft. lbs.).
(8) Rotate crankshaft 2 revolutions. Timing marks
should line up. If timing marks do not line up, remove
cam sprocket and realign.
(9) Measure camshaft end play. End Play should
measure .0127 to .304 mm (.005 to .012 inches.) .310
mm (.012 inch. Max.). If not within limits install a new
thrust plate.
(10) Each tappet reused must be installed in the
same position from which it was removed. When
camshaft is replaced, all of the tappets must be
replaced.
Fig. 11 Alignment of Timing Marks