20
SECTION 10 -- ENGINE -- CHAPTER 1
603.54.381.00
-- 05 -- 2001
VALVE TIMING GEAR DATA
mm (in.)
VALVE TIMING GEAR DATA
Bore 100
Bore 104
Clearance between sides of timing gear pair teeth . . . . . . . . . . . .
0.160 (0.0063)
Inside diameter of intermediate gear bushings (fitted and
reamed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37.050 to 37.075 (1.4587 to 1.4596)
Diameter of intermediate gear journal . . . . . . . . . . . . . . . . . . . . . . .
36.975 to 37.000 (1.4557 to 1.4567)
Clearance between pin and relative bushings . . . . . . . . . . . . . . . .
0.050 to 0.100 (0.002 to 0.0039)
Maximum permitted wear clearance . . . . . . . . . . . . . . . . . . . . . . . . .
0.15 (0.0059)
Bushing interference fit in seat in intermediate gear . . . . . . . . . . .
0.063 to 0.140 (0.0025 to 0.0055)
Outside diameter of camshaft bearings:
-- front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54.875 to 54.930 (2.1604 to 2.1626)
-- intermediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54.375 to 54.430 (2.1407 to 2.1429)
-- rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53.875 to 53.930 (2.1211 to 2.1232)
Interference between bearings and seats in cylinder block . . . . .
0.070 to 0.150 (0.0027 to 0.0059)
Inside diameter of camshaft bearings (fitted and reamed):
-- front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51.080 to 51.130 (2.011 to 2.013)
-- intermediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50.580 to 50.630 (1.9913 to 1.9933)
-- rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50.080 to 50.130 (1.9716 to 1.9736)
Diameter of camshaft journals:
-- front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50.970 to 51.000 (2.0067 to 2.0079)
-- intermediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50.470 to 50.500 (1.9870 to 1.9882)
-- rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49.970 to 50.000 (1.9673 to 1.9685)
Clearance between camshaft journals and bushings . . . . . . . . . .
0.080 to 0.160 (0.0031 to 0.0063)
Maximum permitted wear clearance . . . . . . . . . . . . . . . . . . . . . . . . .
0.20 (0.0079)
Camshaft endfloat between thrust plate and seat on camshaft . .
0.070 to 0.220 (0.0027 to 0.0087)
For further timing system technical data . . . . . . . . . . . . . . . . . . . . .
see page 4
TAPPET DATA
mm (in.)
TAPPET DATA
Bore 100
Bore 104
Tappet bore in crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.000 to 15.018 (0.5905 to 0.5912)
Outside diameter of standard tappet . . . . . . . . . . . . . . . . . . . . . . . .
14.950 to 14.970 (0.5886 to 0.5894)
Tappet running clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.030 to 0.068 (0.0012 to 0.0027)
Maximum permitted wear clearance . . . . . . . . . . . . . . . . . . . . . . . . .
0.15 (0.0059)
Tappet oversizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.1 -- 0.2 -- 0.3
(0.0039 -- 0.0079 -- 0.0118)
