Subaru Outback (BR): Recommended grade and viscosity
CAUTION
Use only engine oil with the recommended grade and viscosity.
NOTE
Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity
provide better fuel economy. However, in hot weather, oil of higher viscosity is
required to properly lubricate the engine.
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You should use synthetic engine oil that meets the same requirements given for
conventional engine oil. When using synthetic oil, you must use oil of the same
classification, viscosity and grade s
WARNING
Never attempt to remove the radiator cap until the engine has been shut off and
has cooled down completely. Since the coolant is under pressure, you may suffer
serious burns from a spray
Your vehicle employs an electric cooling fan which is thermostatically controlled
to operate when the engine coolant reaches a specific temperature.
If the radiator cooling fan does not operate eve
SEE MORE:
A: INSPECTION
1) Remove the filler plug, and then check the gear oil. Replace the gear oil if it is contaminated, deteriorated or cloudy. <Ref. to DI-23, REPLACEMENT, Differential Gear Oil.>
2) Check that the gear oil level is within -5 mm (- 0.2 in) from the bottom of the filler plug hole.
The treadwear grade is a comparative rating based on the wear rate of the tire
when tested under controlled conditions on a specified government test course.
For example, a tire graded 150 would wear one and one-half (1- 1/2) times as
well on the government course as a tire graded 100. The rela
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