Questions tagged [waste-gate]

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3
votes
3answers
2k views

Replace whole turbocharger or only the waste-gate actuator?

I have an Opel Astra H Caravan 2008 1.7 CDTI 81kW (type 0035/AHO). I started having some problems with the turbocharger. After reaching a certain velocity on the highway the car suddenly loses power ...
2
votes
1answer
2k views

What exactly is porting a wastegate and what situations would I want to do it in?

I've seen it mentioned that some people should port their wastegate on their turbocharged vehicles. Usually, this seems to be recommended in some situations where the car is overboosting past the ...
9
votes
2answers
35k views

What is the function of a blow-off valve vs a wastegate?

I am waiting for a 2013 STI and have been looking into upping the performance, but before I go down that road I would like to thoroughly understand the components in a forced induction vehicle. I've ...