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clarknova

Adjust Brake Bias

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My 2005 Fortwo Pure CDI has too much front brake bias. When I brake hard the front wheels lock up quickly, with some ABS action. What is the procedure to adjust brake bias to get a little more braking from the rears without always locking up the fronts?

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There is no brake proportioning valve on this car - it relies on ABS to meter out brake force. If you are having premature ABS engagement, look to your tires first, and front brake calipers next.

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+ reluctor rings

 

I think I would go with rings first but that is probably because I am lazy and tight, that is cheapest and easiest.

 

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What are the roads like? Snow covered, wet or dry? What tires are you running on the front., thin or wider...????   You will find these cars will lock up the fronts easily in wet, or snowy conditions simply due to the fact you have so little road contact patch. I have slid through a red light simply because i carried too much speed as I got close and it simply locked up the fronts and kept sliding.  Yep, felt like a fool kid who was experiencing their first snow fall.....after just getting their license.

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Check the rear brake adjusters and make sure they are complete and working.  A YouTube search will help with that.  Also bleed the brake system.  I’ve had both issues recently causing a low pedal and a lack of rear braking. 

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