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+--- Thread: What is this thing? (/showthread.php?tid=3643)
Pages: 1 2
What is this thing? - Ryan Wright - 03-05-2008 04:25
Huge thank you to everyone for your responses on this. I am going to
tighten this down this weekend and see if that solves it; if not, at
least now I know how to find a new one to replace it. Appreciate your
help!!
-Ryan
'86 PT-40 8V92
On Mon, Mar 3, 2008 at 10:00 AM, msksann <msksan@...> wrote:
>
> Just to correct my previous post, I have found 2 Pressure Protection
> Valves, (I do not have the bulk oil fill), and they are used in the
> Ridewell air spring suspension system, not the air brake system. I am
> unsure if they regulate the air pressure, or protect it from air loss,
> or perhaps either or both, depending on how the ports are connected(?)
> The specs say that the valve opens at 65psi, and closes at 45psi.
> I started another thread under 'Pressure Protection Valves', to share
> my expirence with the forum, and perhaps clear this up.
> I do believe the diaphragm material is hardening and failing...
What is this thing? - Ryan Wright - 03-13-2008 07:53
Update on this: Big thanks to Michael for the part number (Haldex
KN31000). NAPA took one look at my existing valve and said they'd
never seen such a thing and don't carry it. After giving them the
Haldex part number they changed their minds and my new one will be
here tomorrow morning. :-)
-Ryan
'86 PT-40 8V92
On Mon, Mar 3, 2008 at 7:26 AM, msksann <msksan@...> wrote:
>
> Ryan:
> It is a Pressure Protection Valve. There should be some part numbers
> located on the 'cap', which, in this picture, is located underneath.
> It is probably the same ones used between the air tank and the spring
> brakes. Those are Midland part #N15759C (N157590) BB part #0522508.
> This has been replaced by the Haldex KN31000, available at napa for
> aprox $38. Or online for less:
> http://tinyurl.com/24ngm4