Usage:
Timing Gears For Front Of Engine
(1) Gear for inlet camshaft:
(2) Gear for exhaust camshaft:
(3) Idler Gear for camshaft (in head):
Inside diameter of the bearing in the gear ... 2.1308 ± .0019 in.(54.122 ± 0.048 mm)
Diameter of the shaft for the gear ... 2.1268 ± .0005 in.(54.021 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
(4) Idler Gear:
Inside diameter of the bearing in the gear ... 3.2510 ± .0019 in.(82.575 ± 0.048 mm)
Diameter of the shaft for the gear ... 3.2470 ± .0005 in.(82.474 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
LOCATION OF TIMING MARKS
(5) Cluster Gear:
Inside diameter of the bearing in the gear ... 1.5065 ± .0019 in.(38.265 ± 0.048 mm)
Diameter of the shaft for the gear ... 1.5025 ± .0005 in.(38.164 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
NOTE: Timing mark (V mark) on tooth of crankshaft gear (6) must be in alignment with the timing mark (V mark) between the teeth on cluster gear (5) as shown.
(6) Crankshaft Gear.
(7) Idler Gear for the water pump:
Inside diameter of the bearing in the gear ... 2.0022 ± .0012 in.(50.856 ± 0.030 mm)
Diameter of the shaft for the gear ... 1.9975 ± .0005 in.(50.737 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0030 to .0064 in.(0.076 to 0.163 mm)
(8) Drive Gear for the water pump.
Timing Gears For The Rear Of The Engine
(9) Gear for inlet camshaft:
(10) Gear for exhaust camshaft:
(11) Idler Gear for camshaft (in head):
Inside diameter of the bearing in the gear ... 2.1308 ± .0019 in.(54.122 ± 0.048 mm)
Diameter of the shaft for the gear ... 2.1268 ± .0005 in.(54.021 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
(12) Drive gear for variable timing.
(13) Idler Gear:
Inside diameter of bearing in gear ... 3.2510 ± .0019 in.(82.575 ± 0.048 mm)
Diameter of the shaft for the gear ... 3.2470 ± .0005 in.(82.474 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
LOCATION OF TIMING MARKS
(14) Cluster Gear:
Inside diameter of the bearing in the gear ... 2.5000 ± .0019 in.(63.500 ± 0.048 mm)
Diameter of the shaft for the gear ... 2.4961 ± .0005 in.(63.401 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0015 to .0063 in.(0.038 to 0.160 mm)
NOTE: Timing mark (V mark) on tooth of crankshaft gear (15) must be in alignment with the timing mark (V mark) between the teeth on cluster gear (14) as shown.
(15) Crankshaft Gear.
(16) Idler Gear for the oil pump:
Inside diameter of the bearing in the gear ... 1.5015 ± .0019 in.(38.138 ± 0.048 mm)
Diameter of the shaft for the gear ... 1.4977 ± .0005 in.(38.042 ± 0.013 mm)
Clearance between the shaft and the bearing ... .0024 to .0052 in.(0.061 to 0.132 mm)
(17) Drive Gear for the oil pump.