Subaru Outback manuals

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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 Synthetic oil

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

 Cooling system

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

 Cooling fan, hose and connections

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

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 Differential Gear Oil replacement

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.

 Treadwear

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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