Part 2: Another Test Volvo Hella UP28 Brake Vacuum Pump and Vacuum Switch.

New test and demo after changing hose arrangement to the vacuum switch to a NON-ORIGINAL arrangement. Volvo Hella UP28 vacuum pump and Volvo vacuum switch. MORE DETAILS in my page at: www.240turbo.c....
CAPTIONS ADDED (you might need to click the CC button. Basically here I'm demonstrating how tapping the brake pedal activates the pump to keep the booster charged with vacuum. The last problem with the ON-OFF-ON-OFF click-click-click seems to have been resolved. It's still very sensitive, but it seems to be working now.
Part 1 is here: • Part 1: Testing Volvo ...

[@5280EvoMR]

Can you link what switch you are using? I'm having the same issues you were. I'm using one on a swap I'm doing

[@dbarton]

It's in my page.

[@5280EvoMR]

I'm not seeing it, it looks like the stock style volvo valve correct?

[@dbarton]

@@5280EvoMR Yes. It's there in multiple locations. You aren't very good at looking. www.240turbo.com/volvo240bigbrakes.html#volvovacswitch