Brake Fluid Change?

[magnum.jn]

Recently bought a civic, 80,000 kms on it. Only thing I know of that he did before he sold it was an oil change. I'm getting a tranmission fluid change though but would it be recommended to get a brake fluid change? What else would be a good idea, my mileage isn't as good as I hoped it to be. Rougly 400kms on a 50L tank. Thanks for your input.

[godwin]

Brake fluid absorbs moisture so you should change it every 2 years or so.

It depends what kind of oil you are using, changing to a thinner oil improves MPG. Your driving habit affects mileage more than anything.

[9thcivic]

I would do the brake fluid if your already going to do the transmission, then you don't have to do it another time.

[dn53]

As brake fluid ages it absorbs moisture. This lowers your brake fluids boiling point. It can lead to brake fade in extreme situations (your brakes failing) but the more common issue is air in the brake system. When the brake fluid gets to a point where it begins to boil, the moisture becomes steam, which ends up being air in your brake lines. You'll likely notice this as a spongey brake pedal. Like mentioned above, it should be attended to every 2 years or so.

What year is the civic btw? Check the tire pressures (should be 30-32psi depending on year--check the driverside door for the tire placard). the atf would be a good idea. Pop the engine air filter off and see if it needs to be changed (this one is easy enough to do yourself, if its an 06+ you don't even need any tools at all). The biggest thing you can do though is to change your driving habits. It made a huge difference for me. Imo your gas mileage isn't all that bad.
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[Phil@rise]

It also causes corrosion in your system leading to leaky master cylinders, seized calipers, wheel cylinders and line failure.