Standard Procedure - Crankshaft End Play; Removal; Inspection - Chrysler Concorde 2004 Service Manual

LH
CRANKSHAFT (Continued)
Fig. 58 CONNECTING ROD SIDE CLEARANCE
STANDARD PROCEDURE - CRANKSHAFT END
PLAY
(1) Using Dial Indicator C-3339 and Mounting
Post L-4438, attach to front of engine, locating probe
perpendicular on nose of crankshaft (Fig. 59).
(2) Move crankshaft all the way to the rear of its
travel.
(3) Zero the dial indicator.
(4) Move crankshaft all the way to the front and
read the dial indicator. Refer to Engine Specifica-
tions.
Fig. 59 Checking Crankshaft End Play

REMOVAL

(1) Remove engine from vehicle. (Refer to 9 -
ENGINE - REMOVAL)
(2) Remove oil pan. (Refer to 9 - ENGINE/LUBRI-
CATION/OIL PAN - REMOVAL)
(3) Remove oil pickup tube.
(4) Remove crankshaft vibration damper. (Refer to
9 - ENGINE/ENGINE
DAMPER - REMOVAL)
(5) Remove idler pulley for accessory drive belt.
(6) Remove front lower timing belt cover.
BLOCK/VIBRATION
(7) Remove front main timing belt cover.
(8) Remove front left side timing belt cover.
(9) Remove timing belt tensioner and timing belt.
(10) Remove crankshaft sprocket. (Refer to 9 -
ENGINE/VALVE TIMING/TIMING
AND SPROCKETS - REMOVAL)
(11) Tap dowel pin out of crankshaft.
(12) Remove oil pump assembly.
(13) Remove crankshaft rear oil seal retainer.
(Refer to 9 - ENGINE/ENGINE BLOCK/CRANK-
SHAFT REAR OIL SEAL RETAINER - REMOVAL)
(14) Remove connecting rod bearing caps. Connect-
ing rod bearing caps are not interchangeable and
should be marked before removal to insure correct
assembly (Fig. 60).
(15) Remove main bearing caps. Main bearing caps
are not interchangeable and are marked to insure
correct assembly (Fig. 61).
(16) Remove crankshaft from cylinder block (Fig.
62).
NOTE: Before installing crankshaft, refer to Fitting
Main Bearings and Installation of Connecting Rod
Bearings. (Refer to 9 - ENGINE/ENGINE BLOCK/
CRANKSHAFT MAIN BEARINGS - STANDARD PRO-
CEDURE) (Refer to 9 - ENGINE/ENGINE BLOCK/
CONNECTING ROD
PROCEDURE)
Fig. 60 CONNECTING ROD TO CYLINDER
IDENTIFICATION
1 - CYLINDER NUMBER

INSPECTION

The crankshaft journals should be checked for
excessive wear, taper and scoring. Limits of taper or
out-of-round on any crankshaft journals should be
held to 0.015 mm (0.0006 in.). Journal grinding
should not exceed 0.305 mm (0.012 in.) under the
standard journal diameter. DO NOT grind thrust
faces of Number 2 main bearing. DO NOT nick crank
pin or bearing fillets. After grinding, remove rough
edges from crankshaft oil holes and clean out all pas-
sages.
ENGINE 9 - 43
BELT/CHAIN
BEARINGS - STANDARD