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Thread: How change coolant?

  1. #1


    Default How change coolant?

    Whats the best way to change your coolant?
    I have a SXR 700.
    Thanks.

  2. #2
    Senior Member Open Mod daman's Avatar
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    1-Remove exh pipes
    2-raise up the rear of the sled
    3-remove seat and rear bumper cover
    4-remove rear heat exchanger bleeder bolt
    5-remove rad cap
    6-remove drain bolt(sxr same),let drain till out,then i like
    to use a little shop air blowing through the rear bleeder bolt hole
    to force out any coolant remaining in the coolers.(have rad cap back on first)
    7-replace drain bolt.

    then you'll need to bleed the system next when refilling;
    (this procedure is the same on any redhead triple or '97 to '01 twin)

    Step 1,

    1.remove seat,and bumper cover
    2.lift up back of sled slightly higher than motor
    3.remove bleed bolt on rear heat exchanger
    4.Slowly add coolant in the hose(fill port ),allow the coolant
    to drain out the bleed hole until all air bubbles disappear, re-tighten bleed bolt set sled back down.

    Step 2,

    1. loosen/remove the bleed bolt on top of the thermostat housing(head)
    2. Add coolant and allow to flow out bleed hole until all air bubbles
    disappear.
    3.tighten bleed bolt, make sure system is full and cap is on.re-check
    coolant level.

    Step 3,

    Start the engine and run @ 2500 to 3000 rpm's till warmed up and
    coolant circulates good, check heat exchangers should be warm
    to the touch.after sitting over night and top off (a) if needed.


    if air is still expected repeat above steps..
    Last edited by daman; 02-17-2009 at 09:14 AM. Reason: added a better wright up for bleeding.
    BULLET PROOF;



    2001 SXR 700
    2001 Vmax DLX 500
    1994 Phazer II 500

  3. #3
    Senior Member Stock mdbauer62's Avatar
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    Hey Daman - Great instructions !! Couple quick questions though...

    1. What coolant type and brand do you recommend? (Green, Dexcool, extended life...) I ask because I heard that this can affect water pump life on some engines.
    2. What "mix" (50/50, 60/40, etc)
    3. In step 4 of Step 1, you say to "add coolant in the hose". By this do mean at the overflow bottle, because on my engine the rad cap is on the overflow bottle?
    4. In step 2 of step 2, am I also adding coolant at the Rad cap/overflow bottle opening?
    5. My seld does not have a bleeder on the thermostat housing, will I get the same effect by keeping the rad cap off my overflow bottle?

    Sorry for all the questions, but I hear it can be a b*%tch to get all the air out


    Note: I have a 02 Viper ER.

    Thanks !!!!!!!!
    Last edited by mdbauer62; 02-07-2009 at 12:39 PM.
    You know you met a real woman when she says she likes the smell of two-stroke smoke on a man

  4. #4
    Senior Member Open Mod daman's Avatar
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    Quote Originally Posted by mdbauer62
    Hey Daman - Great instructions !! Couple quick questions though...

    1. What coolant type and brand do you recommend? I Use Zerex G-05 it's a Ford & Chrysler coolant(NAPA) very very good stuff, low silicate formula.
    2. What "mix" (50/50, 60/40, etc)50/50
    3. In step 4 of Step 1, you say to "add coolant in the hose". By this do mean at the overflow bottle, or through the rad cap opening?yes either or depending on what type sled you have
    4. In step 2 of step 2, am I also adding coolant at the Rad cap opening?
    yes adding it too fill port as it's running out of bleed hole.

    Not: I have a 02 Viper ER.

    Thanks !!!!!!!!
    Replyed in red...
    BULLET PROOF;



    2001 SXR 700
    2001 Vmax DLX 500
    1994 Phazer II 500

  5. #5
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    If you are just changing the coolant i like to do it differently since you will never get it 100% out anyway.

    -Remove seat.
    -Remove rear rad hose.
    -Elevate the FRONT of the sled as high as you can.
    -This should drain most of the coolant out.
    _This way there is no removing pipes, and most importantly NO MESS in the engine compartment as coolant really does make a mess.

    FIll up and bleed using the bleeder bolt and your good to go!

    Hope this helps, this is what I usually do to remove and engine but will work great for just changing coolant.

  6. #6


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    thanks for info

  7. #7
    VIP Member shaggyzr2's Avatar
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    Make sure you flush it out with distilled water.

  8. #8


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    Use a powerful shop vac and blow the coolant out. Works great.

  9. #9
    VIP Member shaggyzr2's Avatar
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    I used an air compressor, blow into the bleeder hole in the rear heat exchanger.

  10. #10
    VIP Member A couple of bucks's Avatar
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    Dannyboy

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