Parts for your 2018 Mitsubishi Outlander-Brake fluid

2018 Mitsubishi Outlander brake fluid — what it does and when to change it

Brake fluid absolutely is used on the 2018 Mitsubishi Outlander. Technical sources back this up: the Mitsubishi Motors 2018 Outlander Owner’s Manual for AU/NZ lists DOT 3 or DOT 4 glycol-based brake fluid in the specifications, the Factory Service Manual’s brake section details a hydraulic circuit with front and rear disc callipers and ABS/ASC modulators, and the reservoir cap under the bonnet is labelled with the required DOT rating. So, brake fluid is relevant and essential to safe stopping in this model.

In the Outlander, brake fluid transfers the force from the pedal to the callipers through a closed hydraulic system. It needs to resist boiling under heavy braking and fend off corrosion inside lines, callipers and the ABS unit. Even the Outlander PHEV variant relies on conventional hydraulic brakes alongside regenerative braking, so clean, correct-spec fluid still matters.

For ongoing servicing, it’s smart practice to replace the brake fluid every 24 months (or as specified in the owner’s manual), regardless of kilometres. Brake fluid is hygroscopic — it slowly absorbs moisture from the air — which lowers its boiling point and can corrode components over time. A typical workshop flush will use around a litre to push fresh fluid right through to each calliper.

• Use only DOT 3 or DOT 4 fluid as specified by Mitsubishi