TRUCK SERVICE MANUAL
ENGINE
New
New
Worn
Part or Location
Minimum
Maximum
Limit
Double Lubricating Oil Pump
Body, Filter Head and Cover
Idler Gear Bushing Inside Diameter
0.6165
0.6175
0.6185 -
[15.659]
[15.684]
[15.710]
Idler and Drive Shaft Outside Diameter
0.615
0.6155
0.6145
[ 15.62]
[15.634]
[15.608]
Single Scavenger Pump
Idler Gear Drive Shaft and
Cover Bushing Inside Diameter
0.6165
0.6175
0.6185
[15.659]
[15.684]
[15.710]
Idler and Drive Shaft Outside Diameter
0.615
0.6155
0.6145
[15.61]
[15.634]
[15.608]
Double Scavenger Pump
Idler Gear Drive Shaft and
Cover Bushing Inside Diameter
0.840
0.8405
0.841
[21.34]
[21.349]
[21.36]
Idler and Drive Shaft Outside Diameter
0.8375
0.838
0.837
[21.272]
[21.29]
[21.26]
Single Double Capacity Lubricating Oil Pump
Body and Cover Bushing Inside Diameter
0.8767
0.8777
0.879
[22.268]
[22.293]
[22.33]
Drive Shaft
0.8745
0.875
0.873
[22.212]
[22.22]
[22.17]
Idler Shaft Outside Diameter
0.8745
0.875
0.873
[22.212]
[22.22]
[22.17]
GROUP 8. COOLING SYSTEM
Water Pump
Impeller to Shaft Press-Fit
0.001
[0.03]
Impeller to Body Clearance
0.020
0.040
[0.51]
[1.02]
Fan Hub
End Clearance
0.003
0.010
[0.08]
[0.25]
Bearing to Shaft Press-Fit
0.000
0.001
[0.00]
[0.03]
Thermostats
Operating Range
Low
160 deg F
175 deg F.
[71 deg C]
[79 deg C]
Medium
175 deg F
185 deg F
[79 deg C]
[85 deg C]
High
180 deg F
195 deg F
[82 deg C]
[91 deg C]
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