Clutch Housing - Dodge RAM 1500 1998 Owner's Manual

DR
CLUTCH DISC (Continued)
(11) Wipe pilot bearing surface clean.
(12) Install release lever and bearing in clutch
housing. Verify spring clips that retain fork on pivot
ball and release bearing on fork are installed prop-
erly (Fig. 5).
NOTE: If release lever is installed correctly, the
lever part number will be toward the bottom of the
transmission and right side up. There is also a
stamped "I" in the lever which goes to the pivot ball
side of the transmission.
Fig. 5 FORK, BEARING AND SPRING CLIPS
1 - FORK
2 - SPRING CLIP
3 - BEARING
4 - SPRING CLIP
(13) Install transmission and transfer case if
equipped.
(14) Check fluid level in clutch master cylinder.

CLUTCH HOUSING

DIAGNOSIS AND TESTING
The clutch housing maintains alignment between
the crankshaft and transmission input shaft. Mis-
alignment can cause clutch noise, hard shifting,
incomplete release and chatter. Also premature pilot
bearing, cover release fingers and clutch disc wear.
In severe cases, it can cause premature wear of the
transmission input shaft and front bearing.
NOTE: Only the NV4500 clutch housing can be
checked using the following bore and face runout
procedures. The NV5600 clutch housing is a inte-
gral part of the transmission and can only be
checked off the vehicle.
CLUTCH HOUSING BORE RUNOUT
CAUTION: On diesel engines if housing bore runout
exceeds 0.015 inch, the clutch housing/transmis-
sion adapter plate must be replaced. On gas
engines if housing bore runout exceeds 0.053 in.
the clutch housing must be replaced.
NOTE: Offset dowels are available for gas engines
to correct housing bore runout. They are not avail-
able for diesel engines.
(1) Remove the clutch housing.
(2) Remove the clutch cover and disc.
(3) Replace one of the flywheel bolts with an
appropriate size threaded rod that is 10 in. (25.4 cm)
long (Fig. 6). The rod will be used to mount the dial
indicator.
Fig. 6 DIAL INDICATOR MOUNTING STUD
1 - 7/16 - 20 THREAD
2 - NUT
3 - STUD OR THREADED ROD
4 - 10 INCHES LONG
(4) Remove release fork from the clutch housing.
(5) Install clutch housing. Tighten the housing
bolts nearest the alignment dowels first.
(6) Mount dial indicator on the threaded rod and
position indicator plunger on the clutch housing bore
(Fig. 7).
(7) Rotate crankshaft until indicator plunger is at
the topof the housing bore. Zero the indicator at this
point.
(8) Rotate crankshaft and record indicator read-
ings at eight points (45° apart) around the bore (Fig.
8). Take measurement at least twice for accuracy.
(9) Subtract each reading from the one 180° oppo-
site to determine runout and direction. Bore runout
example (Fig. 8):
• 0.000 – (–0.007) = 0.007 in.
• +0.002 – (–0.010) = 0.012 in.
• +0.004 – (–0.005) = 0.009 in.
• –0.001 – (+0.001) = –0.002 in.
CLUTCH 6 - 7