3406E cooling fan relay

Discussion in 'Trucks [ Eighteen Wheelers ]' started by silver dollar, Jun 15, 2012.

  1. silver dollar

    silver dollar Medium Load Member

    481
    210
    Jan 31, 2009
    Central North Carolina
    0
    I'm hoping someone here can help me. I have a '97 Volvo WIA with Cat 3406E and the cooling fan quit kicking in; but works with the A/C. i need to find the cooling fan relay on this truck. Would it be mounted on the engine,or the firewall, or under the dash with other relays? Any help you can give to help shorten my search sure would be appreciated.
     
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  3. TURKER

    TURKER Medium Load Member

    344
    97
    Aug 11, 2009
    Raleigh NC
    0
    I had a pete 379 with same engine ,Relay was on the fire wall next to city horn. You can fallow the air line from fan clutch to Relay it has two wire and air line hooked to it.
     
  4. puncher

    puncher Medium Load Member

    540
    358
    Feb 12, 2010
    Tn.
    0
    Check the temperature switch in the head although most will be normaly open and would come on full time when signal is lost, the signal from the a/c comes from the trianary or bianary switch or high pressure switch.
     
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