Flat Idler Pulley And Automatic Belt Tensioner; Water Supply Housing; Water Inlet Elbow, Water Outlet Tube, And Thermostat - Navistar INTERNATIONAL DT 466 Service Manual

Flat Idler Pulley and Automatic Belt Tensioner

Figure 213 Flat idler pulley and automatic belt
tensioner
1. Flat idler pulley assembly mounting bolt, M10 x 80
2. Automatic belt tensioner assembly mounting bolt,
M10 x 80
1. Remove flat idler pulley mounting bolt (M10 x 80)
and assembly from the water supply housing.
2. Remove automatic belt tensioner mounting bolt
(M10 x 80) and assembly from the front cover
assembly.

Water Supply Housing

Figure 214 Water supply housing bolts
1. Bolt, M10 x 25 (4)
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FRONT COVER AND RELATED COMPONENTS
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
1. Support water supply housing and remove four
water supply housing bolts (M10 x 25).
Figure 215 Water supply housing and coolant
port seal
2. Tap water supply housing with a hammer to
break coolant seal. Remove housing and discard
coolant port seal.
Water Inlet Elbow, Water Outlet Tube, and
Thermostat
1. Remove three hex flange bolts (M8 x 30) securing
water inlet elbow to front cover.
Figure 216 Water inlet elbow
EGES-265-2
165