Mitsubishi Electric Eclipse Informacje Techniczne Pobierz pdf (Strona 29)

I-8

ENGINE <NON-TURBO>

Cooling System

COOLING SYSTEM

The cooling system is of the water-cooled, forced

circulation type with the following features:

The water pump is mounted onto the front of

the cylinder block, and is driven by the cogged

side of the timing belt. The drive sprocket is

sintered metal. The pump body is made of die

cast aluminum; and a stamped-steel impeller

is used to pump coolant through the engine.

The thermostat housing is located on the left

front side of the engine. The thermostat is

mounted under the thermostat housing, and

the center element is offset from the center

of its diameter. Therefore, it can only be installed

one way. The thermostat has an air bleed (jiggle

pin) located in the flange, and an O-ring with

a locating dimple. the bleed faces upward. The

thermostat temperature rating is 90.5%

(195°F).

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Coolant enters the water pump, where it is

routed through the engine block and into the

cylinder head. Then, the coolant is routed from

cylinder head to both heater core and the radia-

tor (engine hot) or through bypass (engine cold)

to the water pump where the cycle starts over

again.

A small-size, high-performance radiator has

been adopted for better cooling efficiency and

less weight.

Reduction in size of the automatic transaxle

oil cooler had resulted in a lowered radiator

position, which has permitted the “slant nose”

design of the body.

The cooling fan control has been integrated

into the centralized control by the engine control

module for better cooling efficiency, better fuel

consumption, less noise, and better accelera-

tion.

COOLANT FLOW

Radiator

[

Water pump

Block

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Mitsubishi Electric Eclipse Informacje Techniczne Strona 29

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