COOLANT FAN

  • Tiny
  • tommyhat
  • 2000 Mercedes Benz S430
  • V8
  • 2WD
  • automatic
  • 145,000 miles

2000 s430 mercedes I replaced the coolant fan and still not going on but I tested it and it does work but not in car, does it need to be reset is their any fuses or relays? Thanks

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Sunday, August 7th, 2011 AT 12:32 AM

4 Replies

  • Tiny
  • rasmataz
  • Member

Check and test the coolant temperature sensor and fan relay

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Sunday, August 7th, 2011 AT 12:37 AM
  • Tiny
  • tommyhat
  • Member

Where is the fan relay loacated?

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Sunday, August 7th, 2011 AT 12:40 AM
  • Tiny
  • tommyhat
  • Member

Also I am not getting power to the fan plug

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Sunday, August 7th, 2011 AT 12:53 AM
  • Tiny
  • rivermikerat
  • Member

The coolant temperature sensor is located on the front of the engine at a 45 degree diagonal toward the front from the oil filler cap. My resources don't mention a fan relay, but that doesn't mean there isn't one. Relays are typically large square components similar to the picture I have attached. They are also usually located in a relay center under the hood. On Mercedes there are two: One by the bulkhead at the rear of the engine compartment and one up front by the battery, just behind the driver side headlight assembly.

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Saturday, September 17th, 2011 AT 8:44 PM

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