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question about fixing the headlight vacuum tree

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Old Jan 19, 2010 | 06:26 PM
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Default question about fixing the headlight vacuum tree

i repaired one tree already with O rings and all, but apparently didnt do it correctly. the green port i can get upto about 10hg, but it wont hold vacuum. the red port will barely spike to 5hg and it drops off instantly.

ive got a 2nd tree here that im going to try again on, but ive got a question.

is the foam supposed to do anything other then keep crap out of the tree? im wondering if i have too thick of foam in it, and the foam is supposed to be able to compress and help seal off the system.

Last edited by another-user; Jan 19, 2010 at 06:30 PM.
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Old Jan 19, 2010 | 06:55 PM
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The foam is only a filter. As long as it is open cell foam and you can get air thru it you should be fine.
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Old Jan 19, 2010 | 07:02 PM
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thats what i thought. time to try the O rings again. maybe ill try glueing them on, and coating them in rtv silicon.
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