Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2595
Mine lost 50 and 30mm on the front last night over 15hr so a new valve block is on order.
28th Dec 2020 10:23 am
pjm-84
Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2595
New valve block has cured the issue.
Prior to changing I could hear the old valve block "gurgling" (once the engine was switched off) as the air was bypassing the seal. I've yet to take it apart as I'm waiting for the vacuum tester to arrive.
3rd Jan 2021 4:44 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14142
That’s great news it’s sorted out the issue
Please let us know how u get on with the vacuum tester , found it such an extremely handy tool to have
5th Jan 2021 9:45 pm
pjm-84
Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2595
Well I'm not sure if I'm doing it right. But here goes.
Sealed off the inlet and the rh side and put the vacuum on the lh side feed. (dropping most on this side). Can visibly see the gauge dropping (slow; maybe 0.5bar in a minute). So I thought maybe its a pipe connection. Placed Air valve block in water (no leaks). Gauge still drops. Cant believe it would lose so much so quickly although I am working the opposite way to the valve.
Car no longer drops on the front. The rear is now noticable again (over 3 or 4 days) so will order a rear air valve block
9th Jan 2021 3:55 pm
pjm-84
Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2595
Edit.... thought it was vacuum but having had a screwdriver fly across the garage at 3bar I now realise its not!
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