Water/coolant usage?

[boosted]

Your loosing fair bit of water mate ......what rad are using if original id be looking for darker patch on the rad particularly corner and bottom ....check the tray also. Hard to see if you still got he aircon condenser in there. Get her hot and look for steam vapours....

Also rad cap remove pipe on outside of little hole if its passing (rad cap) you\'ll have coolant in there..... top up with water for now whilst trying to identify leak but remember to add coolant before the winter.

If you fire up and buzzer goes off. hold rpm at 4000 and switch off....should not flood then.

[GrimR33per]

Had a look and can\'t find a drop of water anywhere?

Any ideas?

What coolant is the best one as I may need to top it up with that rather than water all the time.  The one I have looks yellow green?  

Thanks

[GrimR33per]

Yes it\'s a standard rad....  I\'m stumped...... Ive checked every pipe i can see, and undertray and cant see a drop anywhere.  It must be vapour?


Other than that i think the cars running ok.   Bludy quick too considering shes got standardish bhp...

[boosted]

I\'m thinking rad cap mate.....is it easy to compress the spring?  

you get blue or red so you must have blue coolant.

If rad cap dont sort suggest pressure test next.

There quick and lots of revs to play with!!:3gears-rh  ....i\'d stay out of boost for the mo though!

[GrimR33per]

There\'s only a spring on the ast ?   It\'s easy to compress but with abit of pressure..  

I\'ve asked pip if he has any replacement caps for sale I can try...  Thanks

[GrimR33per]

I think i may have found the problem.

As i compressed the AST spring i noticed alot of up and down movement from the inner circle/clasp on the top side.. Lifted the sticker and it has evidence of a vapour leak.. Its clean on one side as i wiped my thumb across it, and although you cant really tell on the picture, the underside of the sticker has tiny droplets on it

Could i really loose that much water as vapour? Could this be my problem?

Pics anyways..




Where can i get a replacement ast cap? Thanks

[Arnie_O]

cant see it mentioned here but i know with the RX8 i was advised not to use Tap water to top up with as its corrosive to aluminium, i would have thought this to be the same for the older rotary engines however i may get flames not for being a fool.

[GrimR33per]

Pip said it was ok to do so in small amounts...  plus its more bottled water ive used, lol..  once ive found my leak ill ask pip if its worth doing another coolant change..

i guess Ebay is the only place to get distilled?

[shaunwil]

Depends where you live in the UK, I\'ve always used tap water ! I live in a soft water area though.

Have you got a stock ast or after market one ?

Shaun

[GrimR33per]

Stock plastic one..  Thanks

[shaunwil]

They are classed as a weak point in the system.

Shaun

[Arnie_O]

Halfauds or any motor factors should stock distiller water and it shouldn\'t brake the bank

[GrimR33per]

Right, pip hasnt answered my emails so has anyone got a spare ast cap?

Would i loose alot of water if the ast was letting water/steam out the top?

This much after a 40ish mile drive.?  Thanks

[shaunwil]

Where about are you in the uk ? I can stick a full ast in the post.

Shaun

[GrimR33per]

In Blackpool mate, i work in preston also  Thanks mate

Do you reckon i could loose that much due to ast cap?