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Old 03-24-2004, 09:40 PM   #1
skokie
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Vented Gas Cap

How can you tell (by looking at the gas cap) if it is vented?
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Old 03-24-2004, 09:45 PM   #2
JimKshortstep4x4
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Talking

Vented caps have a raised "bell" shaped part in the middle on the inside with a small hole in it. You can see the check valve through the hole. They are vented for vacuum, not pressure.

Jim
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