Dodge RAM TRUCK 1500 1995 Service Manual page 1009

9 - 1 6 8
5.9L (DIESEL) ENGINE
B R
BORE DIAMETER
M A X . 16.055 mm (0.632 inch)
J9109-79
Fig. 4 Tappet Bore Diameter
TOP OF BLOCK
Fig. 5 Cylinder Bore Crosshatch Pattern
1 STROKE ( f + | ) / P E R SECOND
Fig. 6 De-Glazing Drill Speed and Vertical Speed
(9) Use a strong solution of hot w a t e r and l a u n d r y
detergent to clean the bores. Clean the cylinder bores
immediately after de-glazing.
(10) Rinse the bores u n t i l the detergent is removed
and blow the block d r y w i t h compressed air.
(11) Check the bore cleanliness by w i p i n g w i t h a
w h i t e , l i n t free, l i g h t l y oiled cloth. I f g r i t residue is
s t i l l present, repeat the cleaning process u n t i l all res­
idue is removed. Wash the bores and the complete
block assembly w i t h solvent and d r y w i t h compressed
air.
(12) Be sure to remove the tape covering the lube
holes after the cleaning process is complete.
CYLINDER BLOCK REFACING
(1) The combustion deck can be refaced twice. The
first reface should be 0.25 m m (0.0098 inch). I f addi­
t i o n a l refacing is required, an additional 0.25 m m
(0.0098 inch) can be removed. Total allowed refacing
is 0.50 m m (0.0197 inch) - (Fig. 7).
1st REFACE 0.15 m m (0.0058 inch)
2nd
REFACE 0.35 mm (0.0138 inch)
© Total 0.50 mm (0.0197 inch)
® Standard 323.00 mm ±0.10 mm
(12.7165 inch ±0.0039 inch)
1st REFACE 322.85 mm ±0.10 mm
(12.7106 inch ±0.0039 inch)
2nd REFACE 322.50 mm ±0.10 mm
(12.6968 inch ±0.0039 inch)
J9109-118
Fig. 7 Refacing Dimensions of the Cylinder Block
(2) The upper r i g h t corner of the rear face of the
block m u s t be stamped w i t h a X when the block is
refaced to 0.25 m m (0.0098 inch). A second X must be
stamped beside the first when the block is refaced to
0.50 m m (0.0197 inch) - (Fig. 8).
(3) Consult the parts catalog for the proper head
gaskets which must be used w i t h refaced blocks to
ensure proper piston-to-valve clearance.
CYLINDER BORE REPAIR
Cylinder bore(s) can be repaired by one of two
methods: