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Thread: 2014 L77 How to lower engine coolant fan

  1. #1
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    2014 L77 How to lower engine coolant fan

    2014 L77 How to lower engine coolant fan turn on set points?
    I am currently using a 160 degree thermostat but the fans kick on at 200 or whatever the factory setting is.
    Thanks for your help.
    1986 GN Stand alone FAST XFI
    1968 Chevelle Turbo LQ4
    2014 Caprice 6.0 6L80

  2. #2
    Tuning Addict 5FDP's Avatar
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    There is a sticky thread on that.

    https://forum.hptuners.com/showthrea...ght=LS2%20fans
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
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    I guess the next question should be,
    Can I switch over to 2 bar software??
    1986 GN Stand alone FAST XFI
    1968 Chevelle Turbo LQ4
    2014 Caprice 6.0 6L80

  4. #4
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    Played with the first 3 cels
    set them to 30 35 40 and the temps have been steady between 176 and 181
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    Last edited by TURBOPOWERED68; 01-17-2021 at 06:07 AM.
    1986 GN Stand alone FAST XFI
    1968 Chevelle Turbo LQ4
    2014 Caprice 6.0 6L80

  5. #5
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    if the first cell is above the turn off value then it will just stay on once it enables the fans so will cool down to the thermostat temp, if u want proper control u will need the 2 bar if yours can do it

  6. #6
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    Quote Originally Posted by 07GTS View Post
    if the first cell is above the turn off value then it will just stay on once it enables the fans so will cool down to the thermostat temp, if u want proper control u will need the 2 bar if yours can do it
    Is this what you mean??
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    1986 GN Stand alone FAST XFI
    1968 Chevelle Turbo LQ4
    2014 Caprice 6.0 6L80

  7. #7
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    yes the 2 bar OS will allow u to lower the fan range to suit the 160 stat, the fan settings have to also suit the relay control settings on that page, the 0-1 and 1-2 and 2-1 and 1-0 have values that have to be exceeded by the desired v ect for them to turn on and then off as they should, there are a few things u have to redo if u apply that OS so it will all still work the map sensor data auto changes to 2 bar so u can change that back and the VE table needs to be populated for it to run so it has a bit involved