Cylinder Bores; Description; Standard Procedure - Measure Crankshaft And Block Journals - Dodge Sprinter 2006 Manual

VA
1 - MEASURING POINT OF CYLINDER BORE
2 - MEASURING POINT OF CYLINDER BORE
3 - MEASURING POINT OF CYLINDER BORE
1a - UPPER REVERSAL POINT OF #1 PISTON RING
1b - BOTTOM DEAD CENTER OF PISTON
1c - BOTTOM REVERSAL POINT OF OIL SCRAPER RING
1A - LONGITUDINAL DIRECTION
1B - TRANSVERSE PDIRECTION
(4) Use t h e m ea su r m en t a n d t a ble below t o gr ou p
cylin der bor es:
Standard size
Group code letter A
Group code letter X
Group code letter B
Wear limit in longitudinal
in transverse direction
Permissible variation of
cylinder shape (when
new)
CRAN K SH AFT

DESCRIPTION

Th e en gin e fea t u r es a for ged cr a n ksh a ft su ppor t ed
by six bea r in gs. Th e bea r in g ca ps a r e m a ch in ed
t oget h er wit h t h e cr a n ksh a ft a n d m u st n ot be in t er-
ch a n ged. Th e bea r in g su r fa ces a r e in du ct ion h a r d-
en ed. Th e con n ect in g r ods a n d m a in bea r in g jou r n a ls
a r e fillet ed. An opt ion a l vibr a t ion da m per wit h a sec-
Fig. 31 MEASURING CYLINDER BORES
88.0 mm
88.000-88.006 mm
88.006-88.012 mm
88.012-88.018 mm
0.020 mm
0.000-0.014 mm
on d pu lley is u sed t o dr ive a n a ddit ion a l A/C com -
pr essor.
STANDARD PROCEDURE - MEASURE CRANK-
SHAFT AND BLOCK JOURNALS
NOTE: After any bearing damage occurred, remove
all debris which is present in the main oil gallery,
connecting rod bores, and in the crankshaft and oil
galleries. Include removal of the inserting steel ball
of the main oil gallery before cleaning.
(1) Rem ove cr a n ksh a ft (Refer t o 9 - E NGINE /E N-
GINE BLOCK/CRANKSH AF T - RE MOVAL).
(2) Clea n a ll en gin e pa r t s t h or ou gh ly.
CAUTION: After bearing has damage has occurred,
replace connecting rods which have suffered over-
heating because of bearing damage. The connect-
ing rod must not have any cross scores and
notches.
(3) In spect con n ect in g r od. If da m a ge is pr esen t ,
in spect cr a n ksh a ft , r epla ce a s n ecessa r y.
(4) In spect cr a n kca se.
ENGINE 9 - 39