JTD Vacuum Pipes - Alfa Romeo Forum
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JTD Vacuum Pipes

hi Guys,

Can anyone tell me the correct internal diameter of the vacuum pipes that lead from the Turbo acctuator, mounted on the rad of a 156 JTD that go to to the turbo ?

I want to change them to eliminate them from a possible overboost P1235 code problem. They seem ok but for the sake of a couple of small lengths want to make sure.

Are they 3mm or 4 mm ?


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I fitted 3mm to my 147(would think it's the same) they where a tight fit but rather that than loose!
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jtd , pipes , vacuum

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