2005 Peugeot 407 2.0HDi Cooling fan not working

Peugeot 407 Problem
The Problem
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Roderick Kies

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Cooling fan not working
Mar 13, 2020 (3 weeks ago)
The cooling fan doesn't to cool radiator when water is hot, however it works when you switch the aircon on, the other problem is, the aircon pump heats the radiator since well they are both integrated on a single unit, this leads to water temperature to overheat,

Car details
Car: Peugeot 407
Variant: 2.0HDi
Model Year: 2005
Category: Electrics, ECU, Warnings & Lights
Engine & Drivetrain

Recalls: Peugeot 407 Recalls
More: Peugeot 407 Problems
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Replies and solutions
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whittingehame
Fixes: 12,290
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Mar 13, 2020 (3 weeks ago)
Fan coming on when switched to air con is normal . If you only have the one fan it should be two speed .Could be the fan unit which has integrated relay . As for " the aircon pump heats the radiator " news to me

https://www.buycarparts.co.uk/peugeot/407-sw-6e/28141/10437/radiator-fan
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