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1994 Mercedes Benz SL500 runs hot

Tiny
BRUNOS
  • MEMBER
  • 1994 MERCEDES BENZ SL500
  • V8
  • 2WD
  • AUTOMATIC
  • 92,500 MILES
Radiator cooling fans will not come on (in traffic or long idles the car runs above normal temperature, hot). Cheked fans and relay fuses, OK. Do not know wich relay or sensor is for the fans. Please, help. Thank you
Friday, June 6th, 2008 AT 2:27 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
My software doesnt have the wiring diagram for the cooling fan, Mercedes is stingy like that. Does you Benz have a manual fan as well as the a/c fan? If it does look to seee if the fan clutch is leaking in the front, sounds like it isnt pulling enough air at low speeds and may need to be replaced
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Wednesday, June 11th, 2008 AT 7:52 AM
Tiny
BRUNOS
  • MEMBER
  • 3 POSTS
Yes my Benz has 2 AC electric cooling fans.
How do I check the radiator cooling fan clutch for leaks before I change it. Thank you for your help.
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Monday, June 16th, 2008 AT 7:00 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Easiest way is to use a mirror and look at the front (side facing radiator) of the fan clutch. If there is fluid coming from the center of it, you need to replace it.
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Tuesday, June 17th, 2008 AT 7:38 AM

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