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drewbie
11th October 2019, 18:19
Hi, I'm about to change my leaking 1.8T inlet manifold gasket using the improved Black Viton gasket on a plastic manifold. Once everything is cleaned up is it generally thought best to fit the gasket dry or would a coating of something like silicone grease be beneficial. Thanks.

trikey
11th October 2019, 19:09
I have always fitted them dry, just clean the face on the head and torque correctly and all will be well.

(And clean the jiggle valve before refitting the manifold)

planenut
11th October 2019, 19:39
I have always fitted them dry, just clean the face on the head and torque correctly and all will be well.

(And clean the jiggle valve before refitting the manifold)

As Trikey says.