L36 PCV valve o-ring sizes - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-06-2006, 01:51 AM   #1
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Default L36 PCV valve o-ring sizes

I picked up a new Delco PCV valve today and wanted to buy replacement o-rings, but they're only available as part of a kit from the dealer. I'd rather not spend $18 when all I need is the o-rings.

Does anyone know what size o-rings are used on the PCV valve and housing?

95 Series II

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Woosch
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Old 09-06-2006, 03:00 AM   #2
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I'm unsure of ths size but you may be able to go to a autoparts store get the o-ring for next to nothing.
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Old 09-06-2006, 04:58 AM   #3
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PCV o-ring size that my 96 L36 uses.

Small o-ring that goes around the PCV valve is a 116 or I.D. x 15/16 O.D. x 3/32 Thick

Large o-ring that is orange from GM is a 218 or 1 I.D. x 1 O.D. x 1/8 Thick.

The AC Delco or GM PCV valve replacement kit makes things easy.
Part # 89017274 comes with valve, o-rings, and new improved style plastic top.
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