Dodge Sprinter 2006 Manual page 1622

9 - 52 ENGINE
(19) F ill t h e cooin g syst em wit h pr oper coola n t , t o
t h e pr oper level (Refer t o 7 - COOLING/E NGINE /
COOLANT - STANDARD P ROCE DURE ).
(20) Con n ect n ega t ive ba t t er y ca ble.
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. 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 CLOTHES.
WARNING: (Refer to 14 - FUEL SYSTEM - WARN-
ING).
(21) St a r t t h e en gin e a n d in spect for lea ks.
PI ST ON RI N GS
STANDARD PROCEDURE - PISTON RING FIT-
TING
(1) Ca r efu lly clea n
gr ooves. Oil dr a in open in gs in t h e oil r in g gr oove a n d
pin boss m u st be clea r. DO NOT r em ove m et a l fr om
t h e gr ooves or la n ds. Th is will ch a n ge r in g-t o-gr oove
clea r a n ces a n d will da m a ge t h e r in g-t o-la n d sea t in g.
(2) Be su r e t h e pist on r in g gr ooves a r e fr ee of
n icks a n d bu r r s.
(3) Mea su r e t h e r in g side clea r a n ce wit h a feeler
ga u ge fit t ed sn u gly bet ween t h e r in g la n d a n d r in g
(F ig. 43). Rot a t e t h e r in g in t h e gr oove. It m u st m ove
fr eely a r ou n d cir cu m fer en ce of t h e gr oove.
Fig. 43 Measuring Piston Ring Side Clearance
1 - FEELER GAUGE
t h e ca r bon fr om a ll r in g
RI N G SI DE CLEARAN CE CH ART
ITEM
Top Compression Ring
Second Compression
Ring
Oil Control Ring
(4) P la ce r in g in t h e cylin der bor e a n d pu sh down
wit h in ver t ed pist on t o posit ion n ea r lower en d of t h e
r in g t r a vel. Mea su r e r in g ga p wit h a feeler ga u ge fit -
t in g sn u gly bet ween r in g en ds (F ig. 44).
Fig. 44 Ring
1 - FEELER GAUGE
RI N G GAP M EASU REM EN T CH ART
ITEM
Top Compression Ring
Second Compression
Ring
Oil Control Ring
(5) Th e oil con t r ol r in gs a r e sym m et r ica l, a n d ca n
be in st a lled wit h eit h er side u p. It is n ot n ecessa r y t o
u se a t ool t o in st a ll t h e u pper a n d lower r a ils. In ser t
oil r a il spa cer fir st , t h en side r a ils.
(6) Usin g a r in g expa n der, in st a ll com pr ession
r in gs wit h m a n u fa ct u r es design a t ion poin t in g t owa r d
pist on cr own (F ig. 45).
VA
SPECIFICATION
0.012 - 0.016 mm
(0.0047 - 0.0063 in.)
0.05 - 0.09 mm
(0.0019 - 0.0035 in.)
0.03 - 0.07 mm
(0.0011 - 0.0027 in.)
SPECIFICATION
0.229 - 0.610 mm
(0.0090 - 0.0240 in.)
0.483 - 0.965 mm
(0.0190 - 0.080 in.)
0.254 - 1.500 mm
(0.010 - 0.060 in.)