Engine Fan Issue

Ryann

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www.customcomputa.co.uk
Hello All,

Firstly, does the engine fan need to go to a certain temperature before it comes on?

My engine fan doesnt seem to come on even when it reaches 80 on the temperature gauge. I only had the fan go about 8 months ago. This can't happen twice in a year, for no reason. I hardly ever drive.

Please advise.
 

television

Always remembered RIP
Joined
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Your Mercedes
2002 SL500, 216 CL500, all fully loaded
Is your car a 215 please
 

television

Always remembered RIP
Joined
Mar 14, 2005
Messages
164,073
Reaction score
377
Age
89
Location
Daventry
Your Mercedes
2002 SL500, 216 CL500, all fully loaded
You have 2 fans.

The engine fan is a visco type that cuts in to full speed at 80ºC the electric fans in the rad do not come on until 100ºC


With the visco fan, though they go round all of the time they do not speed up until the 80 c has been reached and you can hear the click when it speeds up
 


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