Dodge Sprinter 2006 Manual page 880

8F - 20 CHARGING SYSTEM
DIAGNOSIS AND TESTING - GENERA TOR DECOUPLER
CONDITION
Does not drive generator
(generator not charging)
Noise coming from decou-
pler
REMOVAL
Th e g e n e ra to r d e c o u p le r is u s e d o n ly w ith
c e rta in e n g in e s .
Two differ en t t ype gen er a t or decou pler pu lleys a r e
u sed. On e ca n be iden t ified by t h e u se of m a ch in ed
splin es (F ig. 3). Th e ot h er ca n be iden t ified by a h ex
open in g (F ig. 4) a n d will n ot u se splin es.
Differ en t specia l t ools a r e r equ ir ed t o ser vice ea ch
differ en t decou pler. Refer t o followin g pr ocedu r e.
Fig. 3 GENERATOR DECOUPLER PULLEY (INA)
1 - GENERATOR
2 - DECOUPLER (INA)
3 - MACHINED SPLINES
POSSIBLE CAUSES
Internal failure
Internal failure
Fig. 4 GENERATOR DECOUPLER PULLEY (LITENS)
1 - DECOUPLER (LITENS)
2 - HEX OPENING
INA Decoupler
(1) Discon n ect n ega t ive ba t t er y ca ble.
(2) Rem ove gen er a t or a n d a ccessor y dr ive belt .
Refer t o Gen er a t or Rem ova l.
(3) P osit ion Specia l Tool #8823 (VM.1048) in t o
decou pler (F ig. 5).
(4) Det er m in e if en d of gen er a t or sh a ft is h ex
sh a ped (F ig. 6) or is splin ed (F ig. 7). If h ex is u sed,
in ser t a 10MM deep socket in t o t ool #8823 (VM.1048)
(F ig. 8). If splin ed, in ser t a 5/16" 6-poin t h ex dr iver,
or a 10MM 12-poin t t r iple squ a r e dr iver in t o t ool
#8823 (VM.1048) (F ig. 9).
(5) Th e gen er a t or sh a ft u ses con ven t ion a l r igh t -
h a n d t h r ea ds t o a t t a ch decou pler. To br ea k decou pler
loose fr om gen er a t or t h r ea ds, r ot a t e en d of t ool clock-
wise (F ig. 8) or, (F ig. 9).
(6) Aft er br ea kin g loose wit h t ool, u n t h r ea d decou -
pler by h a n d fr om gen er a t or.
CORRECTION
Replace decoupler
Replace decoupler
VA