2005 Peugeot 407 2.0HDi
Cooling fan not working

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Roderick Kies
Driver
1 points

Problem added: Mar 13, 2020 (6 months 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
Replies and Fixes
Avatar
whittingehame
Legend
14,861 points

Mar 13, 2020 (6 months 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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