Well the waste gate actuator has packed up on our car so it obviously needs replaving. The car is stock basicly no tune etc can it be replaced with an aftermarket one or will another stock 5 psi one have to go in

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Stock one

How do you know the actuator is stuffed?

Car has over posting issued and what sounds like a significant air leak from that side of the engine bay. Pretty much everything else has been checked

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Whats 'everything'?

Manifold leaks all piping plugs coils fuel filter air filter boost solenoid. That's about all I could come with to check

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Time for piks me thinks

Need pics

I assume you meant "over boosting"?

If it was over boosting there would be no air sound as the actuator would be stuck shut to produce over boost. If it was stuck open you would have some air noise but no boost.

Won't be an actuator I would think.

Edited January 8, 201313 yr by NickBA-XR6T

A split diaphragm in the actuator will cause an over boost, but I seriously doubt you would hear it.

I would be looking for leaks in the actuator lines.