(2) Check clearance between rotors (Fig. 125).
SPECIFICATIONS
ENGINE SPECIFICATIONS
DESCRIPTION
SPECIFICATIONS
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531 CIEW
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . 5
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 mm
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 mm
Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3125cc
Injection order . . . . . . . . . . . . . . . . . . . . . 1-2-4-5-3
Compression ratio . . . . . . . . . . . . . . . . 21 : 1(+/0.5)
Gasket . . . . . . . . . . . . . . . . . . . . . . . . Asbestos free
Crankshaft
Front journal diameter
Nominal . . . . . . . . . . . . . . . . . . . 62.985-63.005 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 62.735-62.755 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 62.860-62.880 mm
Front bearing diameter . . . . . . . . . . . . . . . . . . . . . .
Nominal . . . . . . . . . . . . . . . . . . . 63.043-63.088 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 62.793-62.838 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 62.918-62.963 mm
Clearance between journal
and bearing: 0.038-0.103 mm
Center journal diameter
Nominal . . . . . . . . . . . . . . . . . . . 63.005-63.020 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 62.755-62.770 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 62.880-62.895 mm
Center bearing diameter
Nominal . . . . . . . . . . . . . . . . . . . 63.050-63.093 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 62.800-62.843 mm
DESCRIPTION
SPECIFICATIONS
-0.125 . . . . . . . . . . . . . . . . . . . . . 62.925-62.968 mm
Clearance between journal
and bearing: 0.030-0.088
Rear journal diameter
Nominal . . . . . . . . . . . . . . . . . . . 79.980-80.000 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 79.730-79.750 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 79.855-79.875 mm
Rear bearing diameter
Nominal . . . . . . . . . . . . . . . . . . . 80.045-80.070 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 79.795-79.820 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 79.920-79.945 mm
Clearance between journal
and bearing: 0.045-0.090
Wear limit: 0.200 mm
Connecting rod journal
Nominal . . . . . . . . . . . . . . . . . . . . . . 53.940-53.955
-0.25 . . . . . . . . . . . . . . . . . . . . . . 53.690-53.705 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 53.814-53.830 mm
Connecting rod bearing
Nominal . . . . . . . . . . . . . . . . . . . 53.977-54.016 mm
-0.25 . . . . . . . . . . . . . . . . . . . . . . 53.727-53.766 mm
-0.125 . . . . . . . . . . . . . . . . . . . . . 53.852-53.891 mm
Clearance between journal
and bearing: 0.022-0.076
Wear limit: 0.200 mm
Crankshaft end play
End play . . . . . . . . . . . . . . . . . . . . 0.080-0.280 mm
Adjustment . . . . . . . . . . . . . . . . . . Thrust washers
Thrust washers available: . . . . . . . . . 2.31-2.36 mm
2.41-2.46 mm
2.51-2.56 mm
Main bearing carriers
Internal diameter
Front . . . . . . . . . . . . . . . . . . . . . 67.025-67.050 mm
Center . . . . . . . . . . . . . . . . . . . . 66.670-66.687 mm
Rear . . . . . . . . . . . . . . . . . . . . . . 85.985-86.005 mm
Liners
Internal diameter . . . . . . . . . . . . 91.997-92.015 mm
Protrusion . . . . . . . . . . . . . . . . . . . . . 0.01-0.06 mm
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . Shims
Available Shims: . . . . . . . . . . . . . . . . . . . . 0.15 mm
0.17 mm
0.20 mm
0.23 mm
0.25 mm
Cylinder head
Minimum thickness . . . . . . . . . . . . 89.95-90.05 mm
Gaskets thickness: . . . . 1.41 mm +/-0.08, 0 notches
. . . . . . . . . . . . . . . . . . . 1.61 mm +/-0.08, 1 notches
. . . . . . . . . . . . . . . . . . . 1.51 mm +/-0.08, 2 notches
End plates:
Height . . . . . . . . . . . . . . . . . . . . . . 89.92-90.00 mm
Fig. 125 Checking Rotor Clearance
9 - 62
ENGINE
WJ
CLEANING AND INSPECTION (Continued)
2000 JEEP GRAND CHEROKEE