Dodge RAM TRUCK 1500 1995 Service Manual page 256

BR
CLUTCH 6 - 7
CONDITION POSSIBLE CAUSES
CORRECTION
DISC FACING WORN OUT 1. Normal wear. Driver frequently
rides (slips) clutch. Results in rapid
wear overheating. Insufficient
clutch cover diaphragm spring
tension.
1. Replace clutch disc. Also replace cover
if spring is weak or pressure plate surface
is damaged.
CLUTCH DISC FACING
CONTAMINATED WITH
OIL, G R E A S E , OR
CLUTCH FLUID
1. Leak at rear main seal or at
transmission input shaft seal.
Excessive amount of grease
applied to input shaft splines.
Road splash, water entering
housing. Slave cylinder leaking.
1. Replace leaking seals. Apply less grease
to input shaft splines. Replace clutch disc
(do not clean and reuse). Clean clutch
cover and reuse only if cover is in good
condition. Replace slave cylinder if leaking.
CLUTCH IS RUNNING
PARTIALLY DISENGAGED
1. Release bearing sticking-
binding. Does not return to
normal running position.
1. Verify that bearing is actually binding,
then replace bearing and transmission
front bearing retainer if sleeve surface is
damaged.
FLYWHEEL HEIGHT
INCORRECT
1. Flywheel surface improperly
machined. Too much stock
removed or surface is tapered.
1. Replace flywheel.
WRONG DISC OR P R E S ­
S U R E PLATE INSTALLED
1. Incorrect parts order or model
number.
1. Replace with correct parts. Compare
old and new parts before installation.
CLUTCH DISC, COVER
AND/OR DIAPHRAGM
SPRING, WARPED,
DISTORTED
1. Rough handling (impact) bent
cover, spring, or disc. Incorrect
bolt tightening sequence and
method caused warped cover.
1. Install new disc or cover as needed.
Follow installation/tightening instructions.
FACING ON FLYWHEEL
SIDE OF DISC TORN,
GOUGED, WORN
1. Flywheel surface scored and
nicked.
1. Reduce scores and nicks by sanding or
surface grinding. Replace flywheel if
scores-nicks are deeper than .002-.004
inch.
CLUTCH DISC FACING
BURNT (CHARRED). FLY­
W H E E L AND COVER
P R E S S U R E PLATE
SURFACES HEAVILY
GLAZED
1. Frequent operation under high
loads or hard acceleration
conditions. Driver frequently
rides (slips) clutch. Results in
rapid wear and overheating of
disc and cover.
1. Scuff sand flywheel. Replace clutch
cover and disc. Alert driver to problem
cause.
J9506-18