How do you change the wastegate actuator??

[Stealthrida]

Hey guys how do you change the wastegate actuator??? I bought a new oem one but not sure how to change it.???

 

[awdtsi724]

there should be two bolt holding the wastegate on the turbo and the arm is connected by a little pin and bolt and it should come right off

 

[kenamond]

What he said *plus* don't forget to hook the vaccuum line back up to the WGA nipple.

The WGA will be bolted on the compressor side of the turbo. Go from the air filter box, past the MAS (black box with a plug), along the intake snorkel (accordion-looking part if it's stock) into the compressor inlet. The WGA will be above that and bolted to the same part. You'll have to pull the heat shield off of the exhaust manifold to get at the clip that holds the WGA arm to the lever on the turbine housing. The heat shield is that thin silver metal thing on your exhaust manifold with a picture of a hand pressed into its shape and with a few folded tabs holding a wire in them. Just pop the wire (front O2 sensor wires) out of the tabs and remove the few bolts holding that shield on. Then you'll be able to see the turbo more clearly.

The WGA will be preloaded when installed (the arm wants to extend more than it can), so after you bolt the new WGA to the compressor housing, you'll have to compress the arm into the WGA in order to get the end of the arm onto the pin on the lever.

 

[big_d]

Wont the wastegate be held slightly opened then?

 

[kenamond]

Wont the wastegate be held slightly opened then?

No, it'll be held closed. That's necessary in order to resist the backpressure in the exhaust manifold that's pushing on the WG flapper in the turbine housing.

 

[big_d]

Oh, I didn't know that. Thanks for that bit...big_d