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Posted

Hi, another question, sorry!

On my dt, i think i have an air lock. Ive filled the rad up an squeezed all the coolant pipes an the coolant level doesnt move.

Ive took the cap off an warmed it up to see if any bubbles come out with it not being pressurized, this work on an old mx bike we used too have.

But is there a bleed screw on the head or anything?

Sorry for the lack of knowlage and if i dont make sense just tell me! Hahaha

Any help will be apreciated! :P

thanks

  • Moderator

Bleed for the water is on the off side of the bike (right hand side) and is the bottom rear bolt of the water pump case Bottom left in this picture.

m-Elbe5grr0WGES3Tig7aXA.jpg

  • Author

Thank you so much mate! :)

  • Author

Just to be clean so i dont fudge it up..

(just undone it an got coolant sprayed in my face lol)

Do i take the rad cap off then undo the bleed screw as shown in the pic, how long do i keep it undine for? How will i know its bled?

Sorry for the silly questions. Ive built this all up myself soo far an i want to do it without going to a garage! :P

Cheers

  • Moderator

Cap off - it helps the water flow. You can empty the plastic water tank from the bottom of the tank. It is bled when the water stops. Don't forget to refill it with an anti freeze/summer coolant solution and water. Don't refill it with water only.

  • Author

Is this to bleed air bubbles out or to drain the system?

I can drain it i just need to get airbubbles/locks out my hoses

thanks

  • Moderator

I think theres some confusion here

oliver wants to bleed air from the 'airlocked system'

oliver just take of the rad cap and give the pipes a few pumping squeezes...that should do it

  • Moderator

Cap off to help it bleed.

Then drain bolt back in, Fluid in - leave the cap off. Start it and let it run. Keep an eye on the fluid and don't let it get too hot. Squeeze the rubber water pipes.

Don't let it get too hot so switch off and leave for a while and do the same again. When full cap on.

Never take the cap off when the engine it hot. You will hurt yourself badly as water runs under pressure to raise the boiling point of the fluid.

  • Moderator

I think theres some confusion here

Not unusual for me.

  • Author

Cheers for the help lads!

And half the time i confuse my self!, will give it ago later! :)

  • Author

Cheers for the help mate, will sort it tonight!

Will have another post up for help with my wiring next, no doubt hahah

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