Dodge Sprinter 2006 Manual page 2044

24 - 12 CONTROLS-FRONT
fr on t cover of t h e com pr essor. Be cer t a in t h a t t h e
sn a p r in g is pr oper ly fu lly a n d pr oper ly sea t ed in t h e
gr oove.
(6) If t h e or igin a l clu t ch pla t e a n d clu t ch pu lley
a r e t o be r eu sed, r ein st a ll t h e or igin a l sh im (s) on t h e
com pr essor sh a ft a ga in st t h e sh ou lder. If a n ew
clu t ch pla t e a n d/or clu t ch pu lley a r e bein g u sed,
in st a ll a t r ia l st a ck of sh im s 1.0 m m (0.040 in .) t h ick
on t h e com pr essor sh a ft a ga in st t h e sh ou lder.
(7) In st a ll t h e clu t ch pla t e on t o t h e com pr essor
sh a ft .
(8) In st a ll a n d t igh t en t h e com pr essor sh a ft bolt . If
n ecessa r y, a ba n d-t ype oil filt er wr en ch or a st r a p
wr en ch ca n be pla ced a r ou n d t h e clu t ch pla t e t o a id
in bolt t igh t en in g. Tigh t en t h e bolt t o 17.5 N·m (155
in . lbs.).
NOTE: The shims may compress after tightening
the shaft bolt. Check the air gap in four or more
places to verify the air gap is still correct. Spin the
pulley before performing a final check of the air
gap.
(9) If a n ew clu t ch pla t e a n d/or clu t ch pu lley a r e
bein g in st a lled, t h e a ir ga p bet ween t h e clu t ch pla t e
a n d clu t ch pu lley m u st be ch ecked (Refer t o 24 -
H E ATING & AIR CONDITIONING/CONTROLS/A/C
COMP RE SSOR CLUTCH - STANDARD P ROCE -
DURE ).
(10) In st a ll t h e r et a in er t h a t secu r es t h e com pr es-
sor clu t ch coil lea d t o t h e t op of t h e com pr essor.
(11) Recon n ect t h e en gin e wir e h a r n ess con n ect or
t o t h e clu t ch coil lea d on t h e t op of t h e com pr essor.
(12) Rein st a ll t h e ser pen t in e a ccessor y dr ive belt
(Refer t o 7 - COOLING/ACCE SSORY DRIVE /DRIVE
BE LTS - INSTALLATION).
(13) Recon n ect t h e ba t t er y n ega t ive ca ble.
(14) If a n ew clu t ch pla t e a n d/or clu t ch pu lley a r e
bein g in st a lled, t h e n ew clu t ch com pon en t s m u st be
bu r n ish ed (Refer t o 24 - H E ATING & AIR CONDI-
TIONING/CONTROLS/A/C COMP RE SSOR CLUTCH
- STANDARD P ROCE DURE ).
A / C COM PRESSOR CLU T CH
COI L
DI AGN OSI S AN D T EST I N G
A / C COMPRESSOR CLUTCH COIL
Th e a ir con dit ion in g com pr essor clu t ch coil elect r i-
ca l cir cu it is con t r olled by t h e ATC con t r ol m odu le
wh ich is in t egr a l t o t h e h ea t er-A/C con t r ol. Begin
t est in g of a su spect ed com pr essor clu t ch coil pr oblem
by per for m in g t h e ATC F u n ct ion Test u sin g t h e
DRBIII sca n t ool.
PRELIMINARY CHECKS
(1) If n o dia gn ost ic t r ou ble codes (DTCs) a r e fou n d
in t h e A/C-h ea t er con t r ol or t h e power t r a in con t r ol
m odu le (P CM), go t o St ep 2. If a n y DTCs a r e fou n d,
r epa ir a s r equ ir ed.
(2) If t h e A/C com pr essor clu t ch st ill will n ot
en ga ge, ver ify t h e r efr iger a n t ch a r ge level (Refer t o
24 - H E ATING & AIR CONDITIONING/P LUMBING
- DIAGNOSIS AND TE STING - RE F RIGE RANT
SYSTE M LE AKS). If t h e r efr iger a n t ch a r ge level is
OK, go t o TE STS. If t h e r efr iger a n t ch a r ge level is
n ot OK, a dju st t h e r efr iger a n t ch a r ge a s r equ ir ed.
TESTS
(1) Ver ify t h e ba t t er y st a t e of ch a r ge (Refer t o 8 -
E LE CTRICAL/BATTE RY
DIAGNOSIS AND TE STING).
(2) Con n ect a n a m m et er (0 t o 10 a m per e sca le
select ed) in ser ies wit h t h e clu t ch coil feed t er m in a l.
Con n ect a volt m et er (0 t o 20 volt sca le select ed) t o
m ea su r e volt a ge a cr oss t h e ba t t er y a n d t h e clu t ch
coil.
(3) Wit h t h e A/C-h ea t er con t r ol in t h e A/C m ode
a n d t h e blower m ot or a t low speed, st a r t t h e en gin e
a n d a llow it t o r u n a t a n or m a l idle speed.
(4) Th e A/C com pr essor clu t ch sh ou ld en ga ge
im m edia t ely, a n d t h e clu t ch coil su pply volt a ge
sh ou ld be wit h in t wo volt s of t h e ba t t er y volt a ge. If
t h e coil su pply volt a ge is OK, go t o St ep 5. If t h e coil
su pply volt a ge is n ot wit h in t wo volt s of ba t t er y volt -
a ge, t est t h e clu t ch coil feed cir cu it for excessive volt -
a ge dr op a n d r epa ir a s n ecessa r y.
(5) F or t h e a ccept a ble A/C clu t ch coil cu r r en t dr a w
specifica t ion s r efer t o 24 - H E ATING & AIR CONDI-
TIONING - SP E CIF ICATIONS. Specifica t ion s a pply
for a wor k a r ea t em per a t u r e of 21° C (70° F ). If volt -
a ge is m or e t h a n 12.5 volt s, a dd elect r ica l loa ds by
t u r n in g on elect r ica l a ccessor ies u n t il volt a ge r ea ds
below 12.5 volt s.
(a ) If t h e A/C clu t ch coil cu r r en t r ea din g is zer o,
t h e coil is open a n d m u st be r epla ced.
(b) If t h e A/C clu t ch coil cu r r en t r ea din g is a bove
specifica t ion s, t h e coil is sh or t ed a n d m u st be
r epla ced.
A / C H EAT ER CON T ROL
DESCRIPTION
Th is ATC syst em u ses a com bin a t ion of elect r ica l
a n d m ech a n ica l con t r ols. Th ese con t r ols pr ovide t h e
veh icle oper a t or wit h a n u m ber of set t in g opt ion s t o
h elp con t r ol t h e clim a t e a n d com for t wit h in t h e veh i-
cle.
Th e A/C-h ea t er con t r ol is loca t ed on t h e in st r u m en t
pa n el in boa r d of t h e st eer in g colu m n a n d below t h e
VA
SYSTE M/BATTE RY -