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Subaru B9 Tribeca F6-3.0L DOHC (2006)03 · Maintenance
03 · Maintenance

Coolant: Specifications (page 2 of 3)

Make
Subaru
Model
B9 Tribeca F6-
Engine
3.0L DOHC
Year
2006
Section
Fluids › Coolant
MaintenanceSpecifications · page 2 of 3
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Coolant: Testing and Inspection

Engine Coolant

INSPECTION

RELATIONSHIP OF SUBARU COOLANT CONCENTRATION AND FREEZING TEMPERATURE
The concentration and safe operating temperature of SUBARU coolant is shown in the diagram. Measuring the temperature and specific gravity of the
coolant will provide this information.
[Example]
If the coolant temperature is 25°C (77°F) and its specific gravity is 1.054, the concentration is 35% (point A), the safe operating temperature is -14°C
(7°F)
 (point B), and the freezing temperature is -20°C (-4°F) (point C).

PROCEDURE TO ADJUST THE CONCENTRATION OF THE COOLANT
To adjust the concentration of coolant according to temperature, find the proper fluid concentration in the above diagram and replace the necessary
amount of coolant with an undiluted solution of SUBARU Genuine Coolant (concentration 50%). The amount of engine coolant that should be
replaced can be determined using the diagram.
[Example]
Assume that the engine coolant concentration must be increased from 25% to 40%. Find point A, where the 25% line of engine coolant concentration
intersects with the 40% curve of the necessary engine coolant concentration, and read the scale on the vertical axis of the graph at height A. The
quantity of coolant to be drained is 2.12;(2.2 US qt, 1.8 Imp qt). Drain 2.1 2(2.2 US qt, 1.8 Imp qt) of coolant from the cooling system and add 2.1
2(2.2 US qt, 1.8 Imp qt)
 of the undiluted solution of SUBARU coolant.
If a coolant concentration of 50% is needed, drain all the coolant and refill with the undiluted solution only.

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Parts & tools for this job For 2006 Subaru B9 3.0L

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