JohnCL

My 97 has started making the strange mooing noise mentioned in the SIDC FAQ on dump valve leaks, but it's only at low throttle pressure around 70-80mph. I presume this is the dump valve.
Is this easy to fix or does it need replacing and if so how much will it cost?
thanks,
John

Richard Curtis

Yup- its almost definitely the dump valve, the oem item is a crappy platic non-serviceable item.

I think the oem MY98 ones are supposed to be better with regards leaks.

Alternately replace with an much better quality (compared to oem) aftermarket item - you can get alloy forge ones quite cheaply secondhand on scoobynet.

If you want the Ptssshh noise go for a VTA type otherwise keep a re-circulating type.

very easy to replace by the way - just a couple of jubilee clips.


Rich

JohnCL

Thanks Rich, where is it located, I've been told it's inside and part of the intercooler in the MY97.
John

Butty

iTrader: (2)

John,
Follow the hose on the front right edge of the intercooler that does a right angles bend. It bends down under the intercooler and you'll see the dump valve on the end. Its a black plastic one with a similar sized hose returning to turbo and a thinner hose connecting to the manifold.

Nick
1997 Forester S/tb

Richard Curtis

John,

Butty is spot on - I got a MY97 and replaced it with a VTA type, see pic for alternate fitting to the recirculating type(twisting pipe around so it lays on top as shown).

If fitting a VTA type you get a bung to block up the other pipe thats under the intercooler.