HOW TO CHANGE SPARK PLUGS?WHY WOULD YOU NEED TO ...

  • Tiny
  • Anonymous
  • 2011 Smart Car
  • 30,600 miles

How to change spark plugs?
Why would you need to change the brake fluid every 20,000 miles?

Monday, March 4th, 2013 AT 7:46 PM

1 Answer

  • Tiny
  • caradiodoc
  • Expert
  • 24,907 posts

Can't help with the spark plugs, but all manufacturers recommend replacing brake fluid periodically because it absorbs moisture from the air through the reservoir cap and rubber flex hoses. That moisture promotes corrosion of metal parts and it lowers the boiling point from well over 400 degrees to 212 degrees. That can result in one form of brake when; a soft and lower brake pedal due to that water vaporizing and forming air bubbles that can be compressed. All brake experts know the value in replacing brake fluid, but very few of us actually do it.

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Tuesday, March 5th, 2013 AT 9:17 AM

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