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PCV system cleanup...

Cliptin
in Old Gen.: 80's GL/DL/XT/Loyales...

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I just got a new OEM PCV valve and the rubber PCV hose for the right valve cover (it was split).

 

I'd like to clean up/out the other PCV hoses rather than buying new ones. Does anyone have suggestions for cleaning fluids to use as well as brushes or whatnot? How about suggestions for removing the hoses without spliting them or a way to recondition them to be soft again?

 

Also I have oil residue inside the "air tube" in between the MAF and the thottle body and some old residue in the MAF. Ideas for cleaning them?

I shouldn't bee expensive to replace them, because they probably will break. I just went to a nearby hose shop, and got 4 different 3 foot sections of hose for under $10

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