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Guest Message by DevFuse
 

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Checking Vacuum advance diaphragm....


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3 replies to this topic

#1 Ross

Ross

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Posted 18 January 2005 - 11:12 PM

Ok, so i know your supposed to use a vaccum pump of some kind but...i'm too cheap for that kind of thing.

Anyway, I had the hose off the other day, tried sucking on it, and it seemed there was a hole or something.
My question: Does this mean what i think it does (that its stuffed), or is there some difference between a advance diaphragm for a turbo and the na models?

Cheers.

#2 BobBrumby

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Posted 18 January 2005 - 11:34 PM

Yeh if your advance diaphram cant hold a vacuum its stuffed. They can be rebuilt tho. Turbos use a crank angle sensor which uses the ecu to work out the avance so yes there is a difference between them, its not there :)

#3 Ross

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Posted 19 January 2005 - 01:42 AM

Yeh if your advance diaphram cant hold a vacuum its stuffed. They can be rebuilt tho. Turbos use a crank angle sensor which uses the ecu to work out the avance so yes there is a difference between them, its not there :)


This is an e181t i'm talking about. Only late model ea82ts have crank angle sensors. The rest (all ea81s and ea82s up to 87ish) have vacuum advance/boost retard.

#4 BobBrumby

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Posted 19 January 2005 - 09:50 PM

well you learn u something everyday, heh maybe i aint as knollegable as i think i am :rolleyes:




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