heater pipe circuit Heater off = no circulation Heater on =circulation TT Zed is one pipe to supply water to the turbo`s The other pipe is for water return from the turbo`s. Blocking the pipe ends with a kinked rubber hose ,Gives you turbo cooling. By not blocking the loop hose you bypass turbo water flow,the same as happens when the heater is on. If its a TT Zed kink the hose.:bash:
Just used EA Falcon U shape hose... as per tech... there is a KINK.... lol.... ummm so lets get this sorted now... If its a TT u cant have any KINKING? Mine is an NA and using the short EA falcooon hose there IS a KINK will it matter? I should have just got a really long hose and gone round the brake master nice kinkless bend back around to the other pipe? SO QUESTION is do i go by a 90 deg Copper bend /joiner ?:biggrin:
Refer cbzx posts above. Way I see it, kinked/blocked heater bypass hose will INCREASE flow the turbo's.
How about running a hose between the two hard pipes , so neither is blocked , but the heater core isn't being used. Flow to the turbos won't be affected will it ? Circulation should be free flowing through all the pipes right ? sorry if that question sounds dumb , but I'm doing my plenum pull etc atm and stock heater core pipes are rooted , can't get straight hoses I bought to connect without kinks , and theres no way I'm going to loop it around the bmc lol
Sweet . I have a nice U shaped fitting that should allow me to connect those hard pipes without kinks. Should be good till winter then , may need the heater back to de-fog the windscreen. Cheers
Chrispy is 100% correct with what he is saying. The Z has no coolant bypass when the heater is off so there is no flow through the outlets of the heater hard pipes. This does not affect flow through the rest of the cooling system. I think blanking caps is the neatest way to bypass the heater. A kinked hose is no good in any system as the hose will rupture, kinking a hose damages its braid and will weaken it. Also runnning the hose around he mastter cylinder is a sure way to have it rub through unless adequate sheathing is used. Either blanking caps or EA hose should be the only options when doing a bypass.
Whats a good way of blanking the hardpipe caps off ? I've never seen any in stores etc, do you have to custom make up a set ?
You can get rubber caps from autobarn etc. They are about $4 a pair, I think they are 5/8 dia from memory.
still not happy went and got a nylon 90deg bend and clamped it up to give me more margin movement between the two pipes..... still got kinks maybe ive joined the "U shape" hose in the wrong spot.... as ugly as it looks... the only proper way to do this is to run just under a metre of 19mm hose... loop it around the brake master and back into the other pipe... looks messy but better than a tight fit kinked hose... ive still got the u hose and 90deg bend in and when i push on it i can hear the water flowing through to front of the engine... can some one please state for TT and NA wether its ok for kinks in this part of the cooling system.? :biggrin: Cheers Frankie
It does not matter whether it is tt or na, the cooling system requires no flow out of the heater hard pipes to work correctly. It is not ok for kinks in any type of hose in any application, kinks WILL cause a rupture.
Yes - and I am VERY surprised that a couple of the most knowledgeable members on this forum take the opposite view. Blocking off the hard pipes is no different from driving your car around with your heater off. You still get water circulating through your throttle bodies on an NA and your throttle bodies and turbos on a TT (provided you haven't done the throttle body by-pass that is). Cheerz.
IF your worried, just install a ball valve in the heater core supply hose in the engine bay, then you can shut it of permanently LOL
That is basically what I just said, blocking the heater pipes or having no flow from them is the same scenario.
I used a piece of silicone hose to do my bypass and it was kinked for around 3-4 months wihout any signs of damage. I agree that it's not good, but I didn't have any problems. But IMO the bypass is to be done until you get it fixed.
Silicon hose almost always has a nomex braid which is alot more forgiving and stronger than rubber with its cotton braid.
im happy just finished my by pass by getting 2 wackey and wierd shaped camira / hilux hoses and making some custom join with a 90deg bend... no kinks and its hidden behind the motor... the long way but its done now.
