Wiper Linkage; Description; Operation; Removal - Dodge Sprinter 2006 Manual

8R - 28 WIPERS/WASHERS
WI PER LI N K AGE

DESCRIPTION

1 - PIVOT SHAFT (2)
2 - PIVOT SHAFT HOUSING (2)
3 - MODULE BRACKET
Th e wiper lin ka ge a n d pivot s a r e con cea led wit h in
t h e en gin e com pa r t m en t below t h e cowl t op pa n el
(F ig. 28). Th e en ds of t h e wiper pivot sh a ft s t h a t pr o-
t r u de t h r ou gh dedica t ed open in gs in t h e cowl t op
pa n el t o dr ive t h e wiper a r m s a n d bla des a r e t h e
on ly visible com pon en t s of t h e wiper lin ka ge m odu le.
Th e wiper lin ka ge m odu le con sist s of t h e followin g
m a jor com pon en t s:
• Lin k a g e - Th e t wo wiper dr ive lin ks a r e ea ch
con st r u ct ed of st a m ped st eel. Th e left (dr iver ) side
dr ive lin k h a s a pla st ic socket -t ype bu sh in g in on e
en d, a n d a pla st ic sleeve-t ype bu sh in g in t h e ot h er
en d. Th e socket bu sh in g is sn a p-fit over t h e ba ll st u d
on t h e left pivot cr a n k a r m , wh ile t h e sleeve bu sh in g
is fit over t h e lon ger ba ll st u d on t h e wiper m ot or
cr a n k a r m . Th e r igh t (pa ssen ger ) side dr ive lin k h a s
a pla st ic socket -t ype bu sh in g on ea ch en d. On e en d of
t h is dr ive lin k is sn a p-fit over t h e exposed en d of t h e
lon ger ba ll st u d on t h e wiper m ot or cr a n k a r m a n d
ca pt u r es t h e sleeve bu sh in g en d of t h e left dr ive lin k
ben ea t h it , wh ile t h e ot h er en d is sn a p-fit over t h e
ba ll st u d on t h e r igh t pivot cr a n k a r m .
• Mo d u le B ra c k e t - Th e lin ka ge m odu le br a cket
con sist s of a lon g t u bu la r st eel m a in m em ber t h a t is
cr im ped t o a m olded pla st ic pivot br a cket a t ea ch en d
wh er e t h e wiper pivot s a r e secu r ed. A st a m ped st eel
m ou n t in g pla t e for t h e wiper m ot or is secu r ed wit h
welds n ea r t h e cen t er of t h e m a in m em ber a n d is
t h en secu r ed wit h scr ews t o t h e u n der side of t h e cowl
t op pa n el.
• Mo to r Cra n k Arm - Th e wiper m ot or cr a n k
a r m is a st a m ped st eel u n it wit h a r ou n d h ole on t h e
dr iven en d t h a t is secu r ed t o t h e wiper m ot or ou t pu t
Fig. 28 Wiper Linkage Module
4 - PIVOT CRANK ARM (2)
5 - DRIVE LINK (2)
6 - MOTOR CRANK ARM
sh a ft wit h a n u t , a n d a lon g ba ll st u d secu r ed t o t h e
dr ive en d.
• P iv o t - Th e t wo m olded pla st ic wiper pivot
br a cket s a r e secu r ed t o t h e en ds of t h e lin ka ge m od-
u le br a cket t u bu la r m em ber. Th e cr a n k a r m s t h a t
ext en d fr om t h e bot t om of t h e pivot sh a ft s ea ch h a ve
a ba ll st u d on t h eir en d. Th e u pper en d of ea ch pivot
sh a ft wh er e t h e wiper a r m s will be fa st en ed ea ch is
t a per ed a n d ext er n a lly ser r a t ed wit h a t h r ea ded st u d
a t t h e t op wh er e t h e wiper a r m s a r e secu r ed by a
n u t . E a ch pivot sh a ft oper a t es wit h in a h ou sin g
for m ed in t h e pivot br a cket fea t u r in g a la r ge ext er n a l
fla n ge n ea r it s cen t er a n d ext er n a l t h r ea ds n ea r t h e
t op. Th e pivot h ou sin gs a r e secu r ed t o t h e ou t er su r-
fa ce of t h e cowl t op pa n el by a la r ge wa sh er a n d a
n u t t h r ea ded on t o t h e ou t side of t h e h ou sin g wh er e it
pr ot r u des t h r ou gh t h e cowl t op.
Th e wiper lin ka ge m odu le ca n n ot be a dju st ed or
r epa ir ed. If a n y com pon en t of t h e lin ka ge m odu le is
fa u lt y or da m a ged, t h e en t ir e wiper lin ka ge m odu le
u n it m u st be r epla ced.
OPERA TION
Th e wiper lin ka ge oper a t ion is con t r olled by t h e
ou t pu t of t h e wiper m ot or t h r ou gh t h e wiper m ot or
cr a n k a r m . Th e wiper m ot or cr a n k a r m , t h e t wo
wiper dr ive lin ks, a n d t h e t wo wiper pivot s m ech a n -
ica lly con ver t t h e r ot a r y ou t pu t of t h e wiper m ot or t o
t h e ba ck a n d for t h wipin g m ot ion of t h e wiper a r m s
a n d bla des on t h e gla ss.

REMOVAL

(1) Discon n ect a n d isola t e t h e ba t t er y n ega t ive
ca ble.
VA