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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso (B78) General Questions

Alternator belt and tensioners

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Author Post
Sat Jul 06 2019, 02:12am
Member No: #48933
Joined: Jul 17 2017
Location: UK
Does anyone have access to the service / parts manual for a 2014 Citroen C4 Picasso 1.6 HDi?

I'm looking to replace the alternator belt and tensioners but I want to make sure I get the right part numbers.

From what I can tell, the 1.6 has 2 tensioners (upper and lower).

I'm having problems with my stop start system at the moment.
The engine stops fine, but it does not fire back up again, instead it squeals then cuts out.

From what I can tell, the tensioners are not holding the belt tight enough, so the alternator isn't getting enough grip when trying to start the crank, so it's slipping and causing the squeal noise and stalling the engine.

The alternator appears fine because it's charging the battery and not giving any errors, and the car starts normally from a cold start.

I've found the parts diagram for a 1.6 DS which appears to use the same engine but I'm not certain.


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