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Posted

Hey guys, i have some issues with the water plumbing in my ke30,

 

I put a 3kb in it and it used to have a 4k,. but it seems the water is not circulating properly

 

1. there is a hosetail on the back of the head that I have not seen before, where does this go??

currently I have connected it to the hold in the side of the head that would normally flow into the standard manifold ( am running side drafts so it would not connect into aftermarket manifold)

 

post-15818-0-49172900-1332136073_thumb.jpg

 

 

2. I have a custom thermostat housing that has the top hose outlet and one extra outlet that runs straight to the heater(in place of the red hose , the upper of the two pipes on the firewall. (not in above pic)

 

3. the purple line as above has been blanked off. and the green runs straight to the lower heater fitting on the firewall

 

also there seems to be some black water that has leaked onto the floor inside the cabin. but it is not oily.. just black..

 

so i don't know why water is not circulating but I can't find a diagram for the 3kb water lines

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Posted

Depends how much of the dash needs to come off to get to it, but you can pull it out and just jam a hose up it to see if it leaks, if it doesn't leak have a look at the hoses that join it to the rest of the cooling system and check for splits and stuff like that, but if water is getting into the cabin usually the heater box has a leak or the windscreen has a leak somewhere

Posted
whats the best way to do that

 

pull the green line off & attach a garden hose. Pull the 'other' (return) hose off at the firewall. Turn the heater to full hot & turn on the garden hose a bit... the will blow water & muck all over the back of the motor somewhere.

 

Then get inside with a torch and see if it is leaking. If not, it may still leak when hooked up to the engine as the hose is not putting it under pressure. All you can do is get the motor warm and climb under the dash with a torch to find the drip. It might be heater throwaway time...

 

How the 3K-B circulates water I'm afraid I don't know.

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