COOLING SYSTEM
INTRODUCTION
This section of the Service Manual describes the procedures necessary to service the 4TNV84 engine
coolant pump. This engine coolant pump is representative of the coolant pumps used on other TNV model
engines. For specific part detail, see the parts catalog for the engine you are working on.
COOLING SYSTEM DIAGRAM
(7)
1 – Cylinder Head
2 – Thermostat
3 – Engine Coolant Pump
4 – Radiator
* Not standard on all models.
8-6
(1)
(6)
Figure 8-1
(2)
(3)
L
F U L
L O W
(5)
5 – Coolant Recovery Tank
6 – Engine Oil Cooler*
7 – Cylinder Block
TNV DI Service Manual
Introduction
(4)
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