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Valve Cover Air Cleaner Breather Cleaning?

Started by EAM 17806, July 25, 2022, 10:39:56 AM

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EAM 17806

July 25, 2022, 10:39:56 AM Last Edit: July 25, 2022, 11:15:35 AM by EAM 17806
How should the "Valve Cover Air Cleaner Breather" located on the driver's side valve cover connected into the air cleaner filter element be cleaned on a 76 Cadillac Deville?  Should light silicone oil be sprayed into it after a thorough cleaner with thinner, distilled fluid, etc? Factory manual does not address this type of cleaning.  EAM
Ev Marabian

1976 Cadillac Coupe DeVille, 1989 Chevrolet Caprice Classic, 1990 Pontiac Bonneville and 1996 Buick Skylark

hornetball

#1
July 25, 2022, 10:50:03 AM
No.  Just clean it with solvent, let it dry and re-install.  It will quickly get oiled from normal engine vapors.

Cape Cod Fleetwood

#2
July 26, 2022, 06:54:13 AM
I just spray it out well with brake cleaner, shake it dry, reinstall.
There are 2 kinds of cars in the world, Cadillac and everything else....

The Present -1970 Fleetwood Brougham

The Past -
1996 Deville Concours
1987 Sedan De Ville "Commonwealth Edition"
1981 Coupe De Ville (8-6-4)
1976 Sedan De Ville
1975 Sedan De Ville

The Daily Driver and work slave -
2008 GMC Acadia SLT *options/all

fishnjim

#3
July 26, 2022, 09:02:26 AM
Doesn't hurt to clean dirty stuff.
No need for silly-cone oil.  Install dry as noted.
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