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Boost pressure not holding normal

3K views 15 replies 9 participants last post by  ewp 
The hole work can be done in 2-3h if you never done it before.
I changed that 2 times on my 2.0l Boxster. Porsche has upgrated the valve in early 2022. There is a new version with a new part number - i don´t know.
Once you got the roof in service position all other work is easy. To get the metal cover out without damaging the trunk cover is another strory.

The valve sits under the air filter Box. But to remove the air filter housing is the trick. It has no screws just clicked in with plastic gormets. You have to give it a hard pull with an anoying sound when it comes lose.
Than you can access the valve.
 
Nah, just have the old one.
Bought the valves by a googled part shop, i took the cheapest one.
Runs 1 1/2 years than it wants to be changed again. This is why i took 2 valves, to have one in spare.
 
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