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10-24-2001, 09:08 PM
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Registered Member
Join Date: Dec 2000
Posts: 168
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"Air Injector Check Valve" - Cat. tube...exhaust related
with the help on some users here, I am slowing narrowing down my "whirring" noise.
1995 GT - Question is, there are two Air Check Valves connected to the smog gear...One goes to the back of the heads, and the other is fixed on the end of the tube from the Catalytic converters. The valve going to the heads only flows air into the heads, not out, verified and okay... Which way should the other flow (the one welded onto the tube from the Cat's) ? I am guessing from the smog gear to the Cats, from engine to exhaust. Is this correct? So, If I feel exhaust pulses from this check valve with the engine at idle, that is bad, because air should be going out to the cats, and not into the engine from them? Might also cause the AIR Diverter to go bad too, putting reverse flow to it? |
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