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Date:         Wed, 19 Feb 2003 14:35:48 -0800
Reply-To:     Mike Pedersen <mikeped@SHAW.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike Pedersen <mikeped@SHAW.CA>
Subject:      Re: type IV push rod tubes leaking in 914 (Viton)
Comments: To: Stan Wilder <wilden1@juno.com>
Content-type: text/plain; charset=iso-8859-1

This is a case where my transferable skills come in to help (well , not really...). Viton is a brand name owned by Dupont or Dow, (I forget which, and I think they merged anyways) There are at least 4 different groups of Viton, probably more. Viton can have carbon black or not. I've seen it light blue, pink, white, red-brown, and of course, black. The only way you can tell is by reading the label. There are lots of Viton-like o-rings out there. Viton is good for it's high temp resistance, long shelf life, and ability to deal with corrosive materials. How do I know all this stuff? Used to be a submarine mechanic. We had to staple the o-ring packaging on to our QA/QC work to ensure the proper o-ring was installed. Soooo...don't rely on color!

Mike

----- Original Message ----- From: "Stan Wilder" <wilden1@JUNO.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Wednesday, February 19, 2003 2:03 PM Subject: Re: type IV push rod tubes leaking in 914 (advice needed)

> OK ............. The Victor Reinz engine gasket sets I buy are green and > are labled Viton. > Is there any possibility you could be wrong? > All the Silicone main serals I buy are red. well burnt orange. > > Stan Wilder > > On Wed, 19 Feb 2003 15:46:03 -0500 "Vanagon man" <vgonman@msn.com> > writes: > > The reddish brown ones are the Viton. > > > > > > Adam P > > 81 Westy "The Brick " > > 70 Single Cab "Whitey" > > 74 Beetle "Ol Yeller" > > 73 Transporter (STILL at paint shop) > > 1988 Vanagon Wolfsburg > > 1976 Transporter (New CA bus) > > 1974 412 "Goldmember" > > Used Vanagon Parts for sale (mostly aircooled) > > ----- Original Message ----- > > From: "Stan Wilder" <wilden1@JUNO.COM> > > To: <vanagon@GERRY.VANAGON.COM> > > Sent: Wednesday, February 19, 2003 10:42 AM > > Subject: Re: type IV push rod tubes leaking in 914 (advice needed) > > > > > > > Remove > > > the following, valve covers, rocker arms, wire retainer,push > > > rodss,push-rodd tubes,push-rodd rock guards. > > > Clean the bores in the block (Berryman B12 works good). Clean the > > > push-rod tubes inside and out. > > > Install the new push-rod tube seals on the tubes (green = Viton) > > (reddish > > > brown = silicone) (black = neoprene) > > > Sealer isn't required but it doesn't hurt. > > > Lubricate the O rings very good, insert them thorough the head > > just > > > touching the port in the engine block. Use a small screwdriver to > > massage > > > the upper area of the Outer O ring so it will slip into the head. > > I use a > > > 15mm socket on an extension to give me some pressure towards the > > block > > > when pushing the seals in. > > > Adjust your valves after you get done with the seal job. Use new > > valve > > > cover gaskets. If the wire retainers are missing ---- get a pair. > > > First time around never having done the job and being careful, > > this job > > > should take a casual 2 hours. > > > Other Type IV hints and tips > > > http://williamwareagency.com/forsale/stanvan/0003.htm > > > Stan Wilder > > > > > > > > > On Wed, 19 Feb 2003 09:58:05 EST Roger Reynolds > > <Rogerspace2@AOL.COM> > > > writes: > > > > I'm doing a bit of work on my 914 and want to take care of the > > > > leaking push > > > > rod tubes. I have new o-rings and have read that I can use RTV > > > > silicone to > > > > help the o-rings seal. My question is: Do I simply have to > > remove > > > > the rocker > > > > arms, slide the push rods back far enough to get the old > > o-rings > > > > off, clean > > > > up the ends of the tubes, RTV the o-rings and reassemble > > > > everything? > > > > > > > > I have the car elevated enough to be able to work from the > > under > > > > side and it > > > > looks like there is not enough room to slide the tubes > > completely > > > > out of the > > > > heads but enough room to replace the o-rings. > > > > > > > > Thanks, > > > > Roger > > > > > > > > '89 Westy > > > > '73 914 > > > > '66 Beetle > > > > > > > > > > > > > > ________________________________________________________________ > > > Sign Up for Juno Platinum Internet Access Today > > > Only $9.95 per month! > > > Visit www.juno.com > > > > > > > > > ________________________________________________________________ > Sign Up for Juno Platinum Internet Access Today > Only $9.95 per month! > Visit www.juno.com


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