My factory manual shows a brake vacuum line filter behind the engine(twd front of the car. First, I cannot seem to find it and second does it ever need cleaned or replaced if it is actually there.

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Bill Shenefelt

Bill - Are you looking at a 88 ? The filter was not used the 88 cars. (maybe other?)

For all but the 88's:

From my build thread:

Picked up a new brake booster filter - according to the Big Fiero Book, a common source of vacuum leaks due to heat cycling near the exhaust manifold.

Mine was original - here is the new one.



Fiero2m8

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86 LT1-4T60 Nitrous Roadster~84 Indy Northstar-Porsche Hatchback