GMC 1986 P-Truck Service Manual page 374

The following " Notice" applies to one or more steps in the assembly procedure of components in this portion of
this manual as indicated at appropriate locations by the terminology " Notice: See 'NOTICE' on page 4A-1 of this
section" .
NOTICE: A ll p ro p e lle r sh a ft fa ste n e rs are im p o rta n t a tta ch in g parts in th a t th e y co u ld a ffe c t the perform ance
o f v ita l parts and system s, a n d /o r co u ld re su lt in m ajo r repair expense. They m ust be replaced w ith one o f
th e sam e part n um ber o r w ith an e q u iva le n t part if replacem en t becom es necessary. Do n ot use a replace­
m ent part o f lesser q u a lity o r s u b s titu te design. T orque values m ust be used as sp e cifie d d u rin g reassem bly
to assure p ro p e r re te n tio n o f all parts.
SUBJECT
D e s c rip tio n ............................................. ..........................................................................................................................4 A - 2
P ro p e lle r S h a f t ............................................................................................................................................................. 4 A - 2
C enter B e a r in g ............................................................................................................................................................. 4 A - 2
U niversal J o i n t ............................................................................................................................................................. 4 A - 2
D ia gn osis Of D rive line V ib ra tio n (Road T e s t) ..........................................................................................................4 A - 4
D iagnosis Of P ro peller S haft and U niversal J o i n t .................................................................................................4 A - 4
O n-V ehicle S e r v ic e ......................................................................................................................................................... 6
P ro p e lle r S haft Balance C h e c k ................................................................................................................................ 6
P ro p e lle r S haft R unout C h e ck...................................................................................................................................4 A - 6
P ro p e lle r Shaft R eplacem ent (Rear D riv e )............................................................................................................ 4 A - 8
P ro p e lle r Shaft R eplacem ent (F ro nt D r iv e ) ..........................................................................................................4 A - 9
L u b r ic a tio n .........................................................................................................................................................................4A -11
S p e c ific a tio n s .................................................................................................................................................................... 4 A -1 2
S pecial T o o ls .................................................................................................................................................................... 4 A -1 2
SECTION 4A
PROPELLER SHAFT
CONTENTS
4A-1
PAGE