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3.7
ENGINE
3
Cooling System
System Pressure Test
1. Remove radiator cap cover located in storage box.
2. Remove recovery bottle hose from coolant filler.
3. Connect a Mity Vac™ (PN 2870975) to radiator and
pressurize system to 10 PSI (68.9 kpa). The system must
retain 10 lbs of pressure for five minutes or longer. If
pressure loss is evident within five minutes, check radiator,
all cooling system hoses and clamps, or water pump seal.
Radiator Cap Pressure Test
1. Remove radiator cap and test using a cap tester
(commercially available).
2. The radiator cap relief pressure is 13 lbs (89.6 kpa).
WARNING
Never remove radiator cap when engine is warm or hot.
The cooling system is under pressure and serious burns
may result. Allow the engine and cooling system to cool
before servicing.
Radiator
Water Pump
Cylinder
Cylinder
Thermostat
FLOW
Head
Upper Hose
Radiator
Fan
Lower Hose
Filler Neck
Overflow Bottle
Top
Bottom
Radiator
Left Side
View
Radiator
Front
View