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Re: What is this hose that is about to break on my car?
It's part of your crankcase ventilation system. It allows fresh filtered air into the valve cover. The hose at the back end of the valve cover is connected to your intake manifold. So engine fumes are sucked out the back hose and into the engine to burn, and fresh air enters from the fron those.
Yes, you can simply clean it and tape it up.
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Dad's taxi:
'88 XJ - 190K and going strong.
K&N, Ford Injectors, No other mods
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