6066 (1960-1966) GMC Truck Club

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-   -   Crankcase Ventilation Filter (https://6066gmcclub.com/showthread.php?t=50215)

Budrkup November 21st, 2017 11:21 PM

Crankcase Ventilation Filter
 
I was wondering if anyone had good part number for the crankcase ventilation filter or what substitution you’ve used? Also where it can purchased? Thanks


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snazzypig November 22nd, 2017 03:05 AM

Re: Crankcase Ventilation Filter
 
NAPA 2718. I bought one locally a few months ago.
Nice truck!

AZKen November 22nd, 2017 03:06 AM

Re: Crankcase Ventilation Filter
 
Don't forget our search function.

From Aphaynes:
http://www.fleetfilter.com/filter/42718.html
http://www.napaonline.com/napa/en/p/FIL2718/
http://www.amazon.com/WIX-Filters-42.../dp/B001FEWCA6

jmfurgason December 23rd, 2019 04:30 PM

Re: Crankcase Ventilation Filter
 
just bought crankcase vent filter @ OReilys 305E V6 . How do you get the top off cannister to replace filter? Is it two pieces ? screw off cap or pull off? what tool is needed ? hard to get to. Thanks JM

snazzypig December 23rd, 2019 06:24 PM

Re: Crankcase Ventilation Filter
 
It's a one piece screw off cover with shallow coarse threads. I have removed a couple with the engine out.
With the engine in, it can be a difficult job. Maybe a chain wrench or a small diameter oil filter tool. Possibly you could attach a hose clamp and rotate it off carefully. Maybe by hand if you're strong and dexterous. Someone else may have a better idea. Best of luck.

jmfurgason December 23rd, 2019 09:33 PM

Re: Crankcase Ventilation Filter
 
Thanks will keep trying ! JM

LEWISMATKIN December 24th, 2019 02:31 AM

Re: Crankcase Ventilation Filter
 
soak the housing with a powerful penetrating oil to loosen up the housing. then use a strap-type oil filter wrench to loosen the top of the filter to spin it off.

tbucketnut December 24th, 2019 04:28 AM

Re: Crankcase Ventilation Filter
 
Good info, I'm going to attempt mine over the break.

jmfurgason January 12th, 2020 09:35 PM

Re: Crankcase Ventilation Filter
 
Remove valve cover first and crankcase vent filter unscrewed no tool needed. Did not see pcv valves under valve covers , is there one on each head,
? not there ?

tbucketnut January 12th, 2020 11:01 PM

Re: Crankcase Ventilation Filter
 
1 Attachment(s)
Check out the pic the brass plug is where it goes, it should have a pipe thread on the pcv. My 1964 305E engine has one under each valve cover.
Thanks,
Steve

snazzypig January 13th, 2020 02:41 AM

Re: Crankcase Ventilation Filter
 
My understanding is that the 63 (305D) didn't have pcv valves in the heads. Please correct me if I'm wrong.

tbucketnut January 13th, 2020 01:22 PM

Re: Crankcase Ventilation Filter
 
1 Attachment(s)
Out of the 62 manual it says the 305D engines had breather caps on the valvecover and a road draft tube, so no pcvs.
I believe it was said on other motors with pcv those engines will have a fresh air filter and canister located on the block behind the drivers side head, same place as to where the road draft tube is on 305D engines.

snazzypig January 13th, 2020 05:50 PM

Re: Crankcase Ventilation Filter
 
Thanks for clarifying that Steve.

jmfurgason January 13th, 2020 06:14 PM

Re: Crankcase Ventilation Filter
 
Not sure the 305E applies the same ventilation as 305D ?? won 63 305E there is a filter behind driver side crankcase no other have I found ?? JM:signthankspin:

LEWISMATKIN January 14th, 2020 01:12 AM

Re: Crankcase Ventilation Filter
 
63 is the first year for a positive crankcase ventilation system. In that system, there are 2 pcv valves, one under each cover, and a crankcase ventilation filter in a housing located behind the left cylinder head. The part number for the pcv valves AC/Delco type CV623C, and the filter is Napa/WIX 2718/42718. I hope this is of some assistance in your search.

Cordially,

Lewis Ellis Matkin, Jr.
Ridge Manor, Florida
1965 1002 GMC V6-305E (soon to be 401M)

jmfurgason January 25th, 2020 04:07 PM

Re: Crankcase Ventilation Filter
 
Thanks guys, all parts are there, pictures were big help. jm


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