LOOSE AIR FILTER HOUSING

1976 Porsche 911

Tiny

HOWARD GREEN

May, 7, 2010 AT 2:06 AM

Engine Performance problem
1976 Porsche 911 6 cyl Two Wheel Drive Manual 115000 miles

My Targa was difficult to start and then backfired a numbrer of times. On removing the air filter cover I found a vertical machine screw appears to be stripped and the whole filter housing is loose. The housing appears to be cracked at a seam on the left hand side. Does the machine screw secure the whole housing or does the housing need to be replaced?

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1 Answer

Tiny

cwporsche

June, 27, 2010 AT 12:42 PM

You will have to replace the intake housing but there is a aftermarket kit you install to keep this from happening again. Its a spring loaded flap that allows air to escape when the engine backfires due to a lean condition usually.

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