How to adjust the wastegate arm length in 1.6HDi (TDCi), non VNT turbo

How to adjust the length of the turbo wastegate arm in the 1.6HDi, the same with 1.6 TDCi non-VNT turbos. This includes the 75bhp and the 92bhp. The 110bhp and more are no this fixed geometry turbo.
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The wastegate on the 1.6HDi turbo (non variable geometry type) is there to relieve pressure when the turbo gets spinning above a certain point and/or generates boost above certain threshold. The wastegate in 1.6HDi engines (non variable geometry type, 90bhp) is generally in the opened position (engine off). Once the engine start running the vacuum pump creates vacuum and through the turbo boost solenoid pulls the diaphragm in the wastegate, which in turn pulls the rod to the actual wastegate inside the turbo. Therefore, the wastegate gets closed and the turbo starts spinning.
The length is very simple, you need to see half of the bolt, the left-hand side of the bolt through the hole of the wastegate.
The car is a Peugeot Partner 1.6HDi 2007 (9HXC engine, 92bhp), same as a Citroen Berlingo M59.
If you want to test if the wastegate is actually working, here is a video: • Simple way to test tur...
That particular turbo, the non-VNT fixed geometry has the following part numbers:
TD025S2-06T4
P/N 9682881380
S/N 078253120
MHI 49173-07506
#HDi #HDiWastegate #HDiTurbo
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