Dodge Sprinter 2006 Manual page 1765

VA AUTOMA TIC TRANSMISSION NAG1 - SERVICE INFORMA TION 21 - 27
dir ect ed via t h e com m a n d va lve (5) on t o clu t ch K1
(6).
Sim u lt a n eou sly t h e clu t ch B1 (7) is su bject ed t o
over la p pr essu r e by t h e over la p r egu la t in g va lve (2).
Th e pr essu r e in t h e clu t ch B1 (7) a s it disen ga ges is
con t r olled du r in g t h e sh ift ph a se depen din g on
en gin e loa d by t h e m odu la t in g pr essu r e a n d t h e
a pplyin g clu t ch pr essu r e (t h e sh ift pr essu r e in clu t ch
K1). Th e con t r olled pr essu r e in clu t ch B1 (7) is
in ver sely pr opor t ion a l t o t h e ca pa cit y of t h e clu t ch
bein g en ga ged. Th e r isin g sh ift pr essu r e (p-S) a t
clu t ch K1 (6) a ct s on t h e a n n u la r fa ce of t h e over la p
r egu la t in g va lve (2) a n d r edu ces t h e over la p pr essu r e
r egu la t ed by t h e over la p r egu la t in g va lve (2). Wh en a
cor r espon din g pr essu r e level is r ea ch ed a t t h e h old-
in g pr essu r e sh ift va lve (4), t h is va lve swit ch es over.