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  1. #1
    Join Date
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    Default How do you change the Thermostat?

    Has anyone changed out the Thermostat yet? Where is it under the hood and how hard is it to change out?
    2009 5.7L R/T All Black Challenger Loaded w/ K&N CAI, 15% Tint, Omega Alarm, Dynatech Headers, MBRP Exhaust, Diablo Predator Tuner.

  2. #2
    whylee is offline Senior Member
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    Default RE: How do you change the Thermostat?

    Very easy to change. Follow your top radiator hose from the radiator to where it connects to the motor. The hose is connected to a housing held on by 2 bolts. Just remove those 2 bolts and wahla, there is the Tstat. The new Tstat should have a rubber ring around it to seal the housing. Just remember to drain some coolant first because it will spill some out if you dont.
    http://www.dodgechallengerregistry.c...rysig_1738.png

    2009 Torred R/T 6 speed
    Techco Supercharger
    SRT spoiler, belly pan
    20" Torque Trust wheels
    Tinted windows
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  3. #3
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    Default RE: How do you change the Thermostat?

    here is a step by step video....very simple change!!
    http://media.putfile.com/Changing-the-LX-Thermostat

  4. #4
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    Default RE: How do you change the Thermostat?

    Thank you.
    2009 5.7L R/T All Black Challenger Loaded w/ K&N CAI, 15% Tint, Omega Alarm, Dynatech Headers, MBRP Exhaust, Diablo Predator Tuner.

  5. #5
    barry1309 is offline Member
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    Default RE: How do you change the Thermostat?

    Great directional video, I'll be changing it soon. However, on some other posts it was said that fan settings may need to be changed with a tuner, is that correct? I live in MD. and it gets cold, still a good idea to change out the thermostat? Thanks for a reply.

  6. #6
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    Default RE: How do you change the Thermostat?

    I did this mod on my 06 Daytona. I live in Maine.....no check engine lights / no codes! i did not have a tuner that would change fan settings, soooo..... it was only beneficial while driving (air flow through rad) or with the 25c fan mod used at the race track. But the car definitely had more power with the 180 stat. I raced an identical 06 Daytona (he had a stock stat ) and I was consistently 2-3 tenths quicker in the 1/4

  7. #7
    barry1309 is offline Member
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    Default RE: How do you change the Thermostat?

    You did the change on the Daytona, same effect on the Chally? No tuner, codes, engine light, etc?

  8. #8
    canadiancanuck's Avatar
    canadiancanuck is offline Senior Member
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    Calgary, Alberta Canada
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    Default RE: How do you change the Thermostat?

    I too have been looking at this minor mod. But I have been confused by the spuratic responses by differnet opinions, engine sizes etc.

    I live in Calgary, Alberta (Canada)

    it gets to -45 + then add windchill, but can get to +30C on a good day.
    I have the 3.5 Ltr SXT

    don't have a tune

    is this still a mod worth doing? if so does anyone have a perfered brand or is the stat a mopar peice.
    disappointed.... bought a lemon and all Chrysler did was hand me the strainer to make lemon aid.

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