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Page 316
SPECIFICATIONS
FLYWHEEL AND HOUSING
Dowel Pin Hole, Flywheel Housing (round pin, LH)
0.6259–0.6263 in.
15.8979–15.9080 mm
Dowel Pin Hole, Flywheel Housing (blade pin, RH)
0.6831–0.6835 in.
17.3507–17.3609 mm
Dowel Pin Diameter (round pin, LH)
0.6251–0.6253 in.
15.8775–15.8826 mm
Dowel Pin Diameter (blade pin, RH)
0.6251–0.6253 in.
15.8775–15.8826 mm
Cylinder Block End
0.6251–0.6253 in.
15.8775–15.8826 mm
Flywheel Housing End
0.6820–0.6825 in.
17.3228–17.3355 mm
Crankshaft Seal Mounting Bore
6.748–6.752 in.
171.3992–171.5008 mm
Starter Motor Mounting Bore
3.625–3.629 in.
92.075–92.117 mm
Transmission Mounting Face Axial Runout
0.008 in. TIR (Max)*
0.203 mm TIR (Max)*
Transmission Pilot Bore Radial Runout
0.010 in. TIR (Max)*
0.254 mm TIR (Max)*
Rear Seal Bore Radial Runout (See “NOTE 9 — REAR
SEAL BORE RADIAL RUNOUT” on page 328.)
0.009 in. TIR (Max)*
0.2329 mm TIR (Max)*
* Note: Must be held relative to main bearing bores. Check runout with an alignment bar installed through the cylinder block
main bearing bores.
FUEL SUPPLY PUMP
Pump Gear End Play (steel gear)
0.008 in. (Max)
0.203 mm (Max)
Pump Gear End Play (plastic gear)
0.019 in. (Max)
0.483 mm (Max)
IDLER GEAR
Gear Journal Clearance
0.0022–0.0045 in.
0.056–0.114 mm
Gear End Play
0.003–0.009 in.
0.076–0.228 mm
JACOBS ENGINE BRAKE
Slave Piston Lash Adjustment
0.015 in.
0.381 mm
OIL PUMP
Gear to Cover End Clearance
0.0035–0.0060 in.
0.089–0.152 mm
Oil Pump OD to Cavity Clearance
0.003–0.0045 in.
0.076–0.114 mm
Oil Pump Gear Backlash (Inside Pump)
0.018–0.035 in.
0.457–0.889 mm
Oil Pump Drive Gear to Driven Gear Backlash
0.008–0.016 in.
0.203–0.406 mm
Relief Valve Spring (free length)
6.4 in.
162.6 mm
Relief Valve Spring Pressure
(compressed to 5.56 in./14.12 cm)
63 lbs.
28.6 kg
Relief Valve Opening Pressure
90–115 psi
621–793 kPa
PISTON
Top Extension Above/Below Cyl. Block Deck at TDC
+0.020 to
−
0.002 in.
+0.508 to
−
0.051 mm
Wrist Pin Bore
2.2501–2.2509 in.
57.153–57.173 mm
Wrist Pin Length
3.820–3.825 in.
97.028–97.155 mm
Wrist Pin-to-Piston/Bore Clearance
(The 2-piece piston crown had bushings prior to mid-1999,
and no bushings after that date. Both versions have the
same clearance specifications.)
0.0012–0.0021 in.
0.0297–0.0547 mm
Wrist Pin OD
2.24875–2.24895 in.
57.11825–57.12333 mm
Piston-to-Liner Clearance
(2-piece piston, 90 degrees from pin axis)
0.0030–0.0050 in.
0.0762–0.1270 mm
Tolerances Are Shown Low to High
Standard Size or Fit
Component
English
Metric
5_106_00.bk Page 316 Friday, August 4, 2000 11:17 AM
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