Here’s how to check and evaluate the condition of your power steering fluid. Checking the steering fluid is not a difficult task, it’s making sure you use the correct fluid and not overfilling the reservoir.

Locate the reservoir for the power steering pump.

Power steering reservoir

The reservoir only holds what needs to be supplied to provide power assist when turning the wheel. Some power steering systems use automatic transmission fluid.

Power steering using ATF

Some take synthetic base oil or power steering fluid.

Reservoir using standard fluid
Reservoir using special fluid

Check the owner’s manual or ask your local parts supplier what type of fluid your vehicle takes.

Checking dipstick for level

Power steering reservoirs have a level indicator built into the dipstick which is part of the cap. Always check the fluid with the engine off and cold. (Warm fluid has an expansion rate that increases slightly when warmed up, this will raise and over fill the fluid level)

Note:

Make sure you use the recommended fluid. If the wrong fluid is mixed you could experience steering failure or cause pressure seals to leak creating a big expense to repair.

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