Td04 Users And Civic Rads?????

[Kelly]

hmmm... even if it doesnt need it, technically a skim of 1thou should be done always..

anyways, did u check for air in the system?, btw with 1.7bar on the td04L (using a civic rad) i never got water in the expansion bottle, with a stock rad cap...

you live in Malta tho where the laws of physic's dont count

 

[HYBRID]

you live in Malta tho where the laws of physic's dont count

bah lol

anyways can u answer my other question lol ??

 

[Kelly]

yeh checked for air

 

[sx_turbo]

do a leak test on the water system. or buy some dye that u put in the coolant and if it is the headgasket, it will change colour

@kon- aluminium heads shouldnt be skimmed unless its warped, there is no need if its not warped, has always been my understanding. (i may well be wrong)

also are you sure both mating surfaces of the head gasket were perfectly clean.

 

[Rory]

I never had any problems with my civic rad, with the ct20.
Only time i did was when the H/G was on its way out.
Even with the WEPR rad, i have no problems with water pushing, yet thats at 1.2 bar.

As a general rule i go by, if a head comes off, ill skim it, never had any problems yet.

 

[Nick@TD.co.uk]

Never skimmed the head as it wasn't needed, if it is completely flat then it doesnt need skimming, what torque has everyone torque there head's down to?

And im unsure why its doing it but its highly annoying.

~Nick

 

[59bhp]

might sound like an incredably stupid question but have you put too much coolant in?

 

[Rory]

Nick,

500kgcm + 90 degrees
or
36.165 lb/ft + 90 degrees
or
49.003Nm + 90 degrees

(Above is all the same, just diffirent units)

How did you check your head for flatness?

 

[Nick@TD.co.uk]

Nick,

500kgcm + 90 degrees
or
36.165 lb/ft + 90 degrees
or
49.003Nm + 90 degrees

(Above is all the same, just diffirent units)

How did you check your head for flatness?

Mine were torque'd to that setting so theres no problem there, im sure its a problem with the cooling system itself, and i will get to the bottom of it

 

[Ted]

i have td04 and civic rad. at track day few weeks ago it did this exact thing. not sure why. compression test was ok. i have a standard rad cap

 

[Nick@TD.co.uk]

i have td04 and civic rad. at track day few weeks ago it did this exact thing. not sure why. compression test was ok. i have a standard rad cap

Yeah its very annoying, although mine does it more often than yours by the sound of it, will let you know if i manage to find a cure.

 

[Monkfish]

Sounds to me like you're being plagued with the same problems I've had on the last couple of trackdays where the expansion tank would get full and the water just leak out over the wing. Obviously with there being a lack of water in the system, she got hotter, which made the water boil, pushing more out.

My problem is suspect HG failure. If my HG aint fucked, I'll be surprised. I've yet to get it checked, but it's not looking good. I've not had any overheating problems per se since fitting the new rad, but water does still get pushed into the expansion tank so I'd imagine if I kept pushing I'd get overheating.

 

[Jay]

A local fella was researching this. We noticed a little heat on the fuelling runs.

Not sure if he got to the bottom of it all but I recall two theories at the resulting tea-break whilst she cooled:

- Turbo was heating the cooling system.
- Headgasket wasn't up to the job.

I'll ask next time I see him/direct him to this thread.

 

[Nick@TD.co.uk]

Sounds to me like you're being plagued with the same problems I've had on the last couple of trackdays where the expansion tank would get full and the water just leak out over the wing. Obviously with there being a lack of water in the system, she got hotter, which made the water boil, pushing more out.

My problem is suspect HG failure. If my HG aint fucked, I'll be surprised. I've yet to get it checked, but it's not looking good. I've not had any overheating problems per se since fitting the new rad, but water does still get pushed into the expansion tank so I'd imagine if I kept pushing I'd get overheating.

Well ive been discussing it with ben_j and we both have similar problems, mine slightly worse than him but both the same, we have both got brand new speedvision headgaskets in so that can't be the problem, we both think the toyota cooling system cant cope with the bigger turbo's we run, its the design of the expansion tank that seems to be the problem as it doesnt allow enough coolant back into the radiator.

And yes monkfish mine does that and just fills the expansion bottle up and then runs down the wing and steams from under the bonnet.

I've ordered the biggest radiator i could get just now, going to get a genuine civic radiator cap as well and then move onto some other interesting things, i will of course pass all the information i find on to you guy's but ive gotta sort it by the new year as its going to be a track whore next year.

 

[Jay]

I hope he doesn't mind but I'll quote someone on this subject.

I personally don't agree with doubling the output of an engine and halving the size of the radiator!

On the vehicle I refer to he thought the turbo (being waterfed) was causing the cooling system to overload. This wasn't the case - from what I remember he removed the turbo from the loop (no waterfeed) and it made little or no difference.

Haven't heard from him in a while though so never got a conclusion.

 

[Nick@TD.co.uk]

I hope he doesn't mind but I'll quote someone on this subject.




On the vehicle I refer to he thought the turbo (being waterfed) was causing the cooling system to overload. This wasn't the case - from what I remember he removed the turbo from the loop (no waterfeed) and it made little or no difference.

Haven't heard from him in a while though so never got a conclusion.

Thanks Jay but considering ben_j is running a k24 on a full size radiator with the same problem its not a radiator issue imo, its something more than that.

 

[Jay]

Anyone considered a dying waterpump?

 

[Nick@TD.co.uk]

Anyone considered a dying waterpump?

Who know's jay could well be i havent checked mine.

Will have to try and find out, whats the price of a new one anyways?

~Nick

 

[Dub-Se7en]

exact same problem as i had and the reason i took it off the road, when we checked the engine out, headgasket was going, head was ok, block was warped! 3 thou in the middle.

CT9 @ 1 bar, standard rad. 1.3bar cap only delayed the problem.

if i drove the car 'normally' (ie little or no boost) then it wouldn't do it.

 

[Monkfish]

Making the radiator smaller doesn't always mean less cooling. Take mine for example, it's significantly smaller width ways, but it's now triple core so I've effectively doubled the cooling capacity of the rad. Infact, it's too efficient. In this cold weather (and with my fan running constantly) the top tanks are too hot to touch and the bottom ones are stone cold. I'm not sure how the Civic rads compare to our stock items, but I can't see them being all that hot (no pun intended ).

Borked pump is a possibility. I'm not sure what the best way to check that is. I would assume taping a bit of hosepipe to the bottom hose and putting it in a bucket is the best way to go, check see if it's sucking water up. Another theory I was given is a cracked block. I don't know if it's a common fault but it would pretty much signal flatline for the engine.