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Old 08-30-2008   #2
Matt D.
Shit Rocket Pilot
 
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Join Date: Oct 2003
Location: Shoreview, MN
Drives: 2003 Evolution VIII
Posts: 7,752
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Re: No brakes while under boost

There is a check valve in the line going from the intake manifold to the brake booster that prevents the brake booster from seeing boost and only vacuum. Check that out, it's probably just dirty, but should be an cheap replacement.
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"If everything seems under control, you're just not going fast enough." -Mario Andretti


03 Mitsubishi Lancer Evolution VIII
Quote:
Originally Posted by Tachyon View Post
Every minute you spend in your Evo, not in boost, is a minute of your life you'll never get back.
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