# | monthly payment | Amount |
---|---|---|
1 | Today | €66.88 |
2 | In 1 month | €66.88 |
3 | In 2 months | €66.88 |
4 | In 3 months | €66.88 |
Or just log-in to select your favorite vehicle!
Fan - viscous coupling
The viscous coupling is a thermostatic device that's an integral part of your 4x4's cooling system. When the engine is cold or at normal operating temperature, the viscous coupling is partially disengaged. This saves power as the engine doesn’t have to drive the fan fully. However, if the engine temperature rises above the viscous coupling’s engagement setting, the fan fully engages. This draws more air through the vehicle's radiator, which helps maintain or lower the engine coolant temperature to an acceptable level.
Why Change the Viscous Coupling?
If you notice engine overheating at idle or in slow traffic, it might be a sign that the viscous coupling is failing to engage, preventing air from being drawn through the radiator.
Engine Running and Hot: Try stopping the viscous coupling with a piece of cardboard. If it’s constantly ventilating, causing engine power loss or increased fuel consumption, the viscous coupling might be stuck in a position that doesn't correspond to the temperature, meaning it’s not disengaging properly when the engine is cold.
Engine Off and Cold: Try spinning the fan. If you notice lukewarm heating or failing air conditioning, it could mean the viscous coupling isn’t regulating the radiator or air conditioning temperature properly according to the outside climate. Also, listen for any grinding noises while the engine is running, which could indicate worn bearings in the viscous coupling, causing play and noise in the engine's operation.
Regular checks and timely replacement of the viscous coupling can prevent these issues, ensuring your vehicle's cooling system operates efficiently.
-
2.5 Dci diesel 190 bhp 2010-> from 01/2010 and more recent
-
2.5 Dci diesel 174 bhp 2005->2010 from 01/2005 to 01/2010
-
D23 NP300 2.5 DCi RWD 163bhp (Market: GL) 2014-> from 12/2014 and more recent
-
D23 NP300 2.5 DCi AWD 163hp (Market: GL) 2015-> from 07/2014 and more recent
-
D23 NP300 2.5 DCi AWD 190bhp (Market: GL) 2014-> from 12/2014 and more recent
-
D40 Navara 2.5 DCi diesel 174 bhp 2005->2010 from 05/2005 to 01/2010
-
D40 Navara 2.5 DCi diesel 171hp 2005-> from 10/2006 to 01/2010
-
D40T Navara Thai 2.5 DCi diesel 144hp (outside Europe) 2007->2015 from 08/2007 to 03/2012
-
D40 Navara 2.5 DCi diesel 190 bhp 2010-> from 01/2010 and more recent
-
D40M Navara 2.5 DCi diesel 144hp 2005->2010 from 05/2005 to 01/2010
-
D40M Navara 2.5 DCi diesel 144hp 2010->2015 from 01/2010 to 12/2015
-
F24 2.5TD diesel <3.5t ST/WT 2006->2013 from 09/2006 to 12/2013