Throttle body check valve

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08-03-08, 07:05 PM

Hazard15301

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Throttle body check valve

Which way is the green and black check valve supposed to face. The arrow is currently pointing to the left (rear or the car).

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08-03-08, 09:37 PM

arghx

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is this the one for the double throttle system? the arrow should be pointing away from the TB. Think about it, you only want it to see vacuum. Vacuum is a pulling force (away from something).

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08-03-08, 09:43 PM

RotaryRocket88

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Flip it around. It should point away from the secondary throttle diaphram. Hook up a vacuum hand pump if you're unsure to be certain the diaphram reacts to vacuum.