A further, more detailed cleaning video can be found here https://www.youtube.com/watch?v=dkPuEmwP4oQ
Although this is on a Volvo Euro3 163 D5, this valve is on millions of cars from many manufacturers.
Improve turbo response and cure overboost with this simple fix.
Boost before was 20 psi with uneven delivery.
Boost after is 17 psi max with improved low down response.
Post time: Jun-13-2017