Dodge Sprinter 2006 Manual page 1624

9 - 54 ENGINE
(5) Rem ove t h e belt pu lley/vibr a t ion da m per (F ig.
47).
Fig. 47 VIBRATION DAMPER/CRANKSHAFT PULLEY
1 - SPECIAL TOOL #8932
2 - RETAINING BOLTS
3 - VIBRATION DAMPER/CRANKSHAFT PULLEY
4 - WASHER
5 - CRANKSHAFT BOLT
NOTE: If grooves can be felt in the belt pulley/vibra-
tion damper during inspection, the pulley/damper
must be replaced.
(6) In spect h u b a t belt pu lley/vibr a t ion da m per for
wea r gr ooves.
(7) Repla ce fr on t cr a n ksh a ft sea l.
INSTALLA TION
NOTE: Align parallel key, fix in place with grease.
Turn to ensure the slot is aligned with parallel key
in crankshaft.
NOTE: Front crankshaft seal must be replaced
before installing the belt pulley/vibration damper.
(1) P osit ion t h e belt pu lley/vibr a t ion da m per.
(2) In st a ll cr a n ksh a ft cen t er bolt a n d wa sh er.
Tigh t en bolt in t wo st a ges. M8.8 bolt t o 200N·m (148
lbs. ft .) t h en 90°, M10.9 bolt t o 325N·m (240 lbs. ft .)
t h en 90°.
(3) Rem ove t h e r et a in in g lock for t h e cr a n ksh a ft /
r in g gea r (F ig. 47).
NOTE: Inspect accessory drive belt for wear.
Replace as necessary.
(4) In st a ll a ccessor y dr ive belt (Refer t o 7 - COOL-
ING/ACCE SSORY DRIVE /DRIVE BE LTS - INSTAL-
LATION).
(5) In st a ll t h e a ddit ion a l A/C com pr essor dr ive belt
(if equ ipped).
(6) In st a ll t h e coola n t m odu le (if equ ipped wit h t h e
a ddit ion a l A/C com pr essor ).
(7) Recon n ect n ega t ive ba t t er y ca ble.
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS IN OPERATION. DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR
HANDS NEAR THE PULLEYS, BELTS OR FAN. DO
NOT WEAR LOOSE CLOTHING.
(8) St a r t veh icle a n d in spect for lea ks.
VACU U M PU M P
DESCRIPTION
Th e va cu u m pu m p is oper a t ed by a slot t ed ext en -
sion a t t a ch ed t o t h e va cu u m pu m p sh a ft . Th e va c-
u u m pu m p sh a ft slot t ed ext en sion fit s in t o, a n d is
dr iven by, t h e exh a u st ca m sh a ft gea r.
Th e va cu u m pu m p is a con st a n t displa cem en t ,
va n e-t ype pu m p. Va cu u m is gen er a t ed by va n es
m ou n t ed in t h e pu m p r ot or. Th e r ot or is loca t ed in
t h e pu m p h ou sin g a n d is pr essed on t o t h e pu m p
sh a ft .
Th e va cu u m pu m p r ot a t in g com pon en t s a r e in t er-
n a lly lu br ica t ed.
Th e va cu u m pu m p is n ot ser vicea ble a n d m u st be
r epla ced a s a u n it . Do n ot disa ssem ble or a t t em pt t o
r epa ir t h e pu m p.
OPERA TION
Va cu u m pu m p ou t pu t is t r a n sm it t ed t o t h e H ea t er,
E lect r on ic, Va cu u m , Air Con dit ion er (H E VAC) a n d
speed con t r ol, syst em s t h r ou gh a su pply h ose. Th e
h ose is con n ect ed t o a n ou t let por t on t h e pu m p h ou s-
in g a n d u ses a n in -lin e ch eck va lve t o r et a in syst em
va cu u m wh en veh icle is n ot r u n n in g.
P u m p ou t pu t r a n ges fr om a m in im u m of 8.5 t o 25
in ch es va cu u m .
Th e pu m p r ot or a n d va n es a r e r ot a t ed by t h e pu m p
dr ive gea r. Th e dr ive gea r is oper a t ed by t h e exh a u st
ca m sh a ft gea r.
VA