Dodge 2000 DURANGO Service Manual page 693

DN
CLEANING AND INSPECTION (Continued)
PISTON MEASUREMENT CHART
PISTON A DIA = PISTON
SIZE DIAMETER
MIN.
mm
(in.)
A —
B 101.580
(3.9992)
C 101.592
(3.9997)
D 101.605
(4.0002)
E —
DESCRIPTION
PISTON PIN
BORE
RING GROOVE
HEIGHT
OIL RAIL
COMPRESSION
RAIL
TOTAL FINISHED
WEIGHT
Measure thickness and diameter of OUTER rotor.
If outer rotor thickness measures 20.9 mm (0.825
inch) or less or if the diameter is 62.7 mm (2.469
inches) or less, replace outer rotor (Fig. 85).
If inner rotor measures 20.9 mm (0.825 inch) or
less, replace inner rotor and shaft assembly (Fig. 86).
BORE
DIAMETER
MAX. MIN.
mm mm mm (in.)
(in.) (in.)
— —
101.592 101.605 101.618
(3.9997) (4.0002) (4.0007)
101.605 101.618 101.630
(4.0002) (4.0007) (4.0012)
101.618 101.630 101.643
(4.0007) (4.0012) (4.0017)
— —
SPECIFICATION
25.007 - 25.015 mm
(.9845 -.9848 in.)
4.033 - 4.058 mm
(.1588 -.1598 in.)
1.529 - 1.554 mm
(.0602 -.0612 in.)
470.8 2 grams
(16.607 .0706 ounces)
MAX.
—
Fig. 84 Checking Oil Pump Cover Flatness
1 – COVER
2 – STRAIGHT EDGE
3 – FEELER GAUGE
—
Fig. 85 Measuring Outer Rotor Thickness
Fig. 86 Measuring Inner Rotor Thickness
5.9L ENGINE 9 - 183