I'm using 5/8" heater hose too - its perfect for the job.  Been in my '84
for 8 - 10 years now.

On Wed, Jul 23, 2008 at 1:02 PM, Mike <mbucchino@charter.net> wrote:

>  I reinforced the interior of the breather hose on my 2.1 with a spiral of
> .041" safety wire to prevent collapse under vacuum.  Works great!
>
> Mike B.
>
> ----- Original Message -----
> From: "Evan Mac Donald" <vanagon_dad@SBCGLOBAL.NET>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Wednesday, July 23, 2008 12:38 PM
> Subject: Re: Whats it called??
>
>
>  Yup. 5/8" heater hose. Stiff enough walls that it won't collapse under
>> vaccuum, and it is proof against hot oil and other type hydrocarbon vapors
>> it will come in caontact with. I even went so far, on my 1.9 (which is
>> slightly different), to replace most of the hose with a piece of steel
>> tube, and only used the rubber hose on the ends, at the breather tower,
>> and the intake manifold adapter. Has done well over the past 5 years of
>> daily driving...
>>
>> "by way of David Beierl <dbeierl@attglobal.net>"
>> <Ccsvanagon@WMCONNECT.COM> wrote:  In a message dated 7/22/2008 11:02:28
>> PM Central Daylight Time,
>> dbeierl@attglobal.net writes:
>>
>>
>>  Crankcase ventilation (black tower rising from engine, fattish black
>>> hose going forward, may have a small heater inserted in the hose)?
>>>
>>
>>
>> That's it. I want to put a new hose on it. Right now I am using a
>> piece of red heater hose.
>>
>> By the way, I forgot to mention this is an '87 Wolfburg edition Van.
>>
>> Any one know the part number for the hose?
>>
>> Thanx,
>>
>> Chris
>>
>> Snyder
>>
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27