2011 Vauxhall Zafira 1.7 cdti ecoflex Whistling noise when accelerating

Vauxhall Zafira Problem
The Problem

Whistling noise when accelerating
Nov 3, 2017 (2 years ago)
When accelerating in any gear the engine makes a high whistling sound until the car travels at a constant speed. Vacuum cleaner type of sound.
Noise not present in neutral, only when under load. Have checked pipes and they look ok.
Any ideas on where to start?

Car details
Car: Vauxhall Zafira
Variant: 1.7 cdti ecoflex
Model Year: 2011
Category: Running Rough, Starting & Power Loss

Recalls: Vauxhall Zafira Recalls
More: Vauxhall Zafira Problems
Replies and solutions
Fixes: 1,862
Nov 3, 2017 (2 years ago)
Kind of sound you get from a leaking induction system turbo noise.
could be a hose or a hose clip.
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