Help needed - identify where water pipes go to
Discussion
Guys,
After your help.
On the 400 / 450 SE SEAC - where does the pipe from the bottom of the expansion tank go - is it the top of the rad ?
The over flow pipe from the swan neck - does it go to the expansion tank or the overflow tank ?
The remaining pipe on the front of the expansion tank - where does it go to ?

After your help.
On the 400 / 450 SE SEAC - where does the pipe from the bottom of the expansion tank go - is it the top of the rad ?
The over flow pipe from the swan neck - does it go to the expansion tank or the overflow tank ?
The remaining pipe on the front of the expansion tank - where does it go to ?

The bottom on on mine goes to the top right of the rad looking at it from the back.
The pipe close to the filler cap went to the swan neck
The pipe lower down came off some where from the manifolds area.... I think it was the top of the pump perhaps? Have to dig out the car to check but I have a new ally tank now.
I have a piccy of a 350 setup here
Edit. Mine was a mad plumbers convention bastid child before the rebuild though so not original me thinks.
Edit 2. Thinking about it my pipe that went to the swan neck would have been above the air in the main tank when cold.
The pipe close to the filler cap went to the swan neck
The pipe lower down came off some where from the manifolds area.... I think it was the top of the pump perhaps? Have to dig out the car to check but I have a new ally tank now.
I have a piccy of a 350 setup here
Edit. Mine was a mad plumbers convention bastid child before the rebuild though so not original me thinks.
Edit 2. Thinking about it my pipe that went to the swan neck would have been above the air in the main tank when cold.
Edited by jmorgan on Friday 25th November 17:05
I think Jeff's pic pretty well resembles how my 390 was set up before I bypassed the throttle body heater. The T-piece shown going into the heater hose is just above the thermostat housing on my car - it was a plastic item that didn't like the heat and snapped; I replaced it with a union of my own creation (it's an unequal T due to the hose diameters differing, maybe you could use a 22-15mm copper fitting).
jmorgan said:
Did not mean to infer that it is the same. Mine are somewhat different, just for a bit of info on what may be done.
Mine is somewhat simpler than when I first bought it.
Jeff Mine is somewhat simpler than when I first bought it.
Your diagram helped me with my 350i when I needed it so thanks for that!
The problem is typical TVR and there owners!
People and TVR have change things if they think it works better
(May not and in fact most times doesn't) and they don't recorded the changes! So what you get is different views and ideas etc!
Take the "Bible"

the water diragram is a basic view from a parts list. But it doesn't cover all the models!Personally keep it original, that's how it was made so (the old saying) "if it's not broke leave it alone"
This applies to most things on the car! As when you come to part with your pride and joy if it's original you will get a better price!!!!!!

Andy
Edited by Mr Tank on Saturday 26th November 10:02
Ah, to clarify, mine was a transplant and a poor one at that as was no where near original in its form when I bought it. It was on the slippery slope to doom when it went into the garage for the rebuild due to a poor job not in my ownership. It came out somewhat simpler. When it went in there were joins between this pipe and that pipe and pipes going here there and everywhere and it looked like an accident in the yard at polypipe. Given the symptoms I think there were attempts to cure the issue but the cause was much more serious.
Edit.
Cobblers. Not seeing the point am I. Ignore me, god knows what mine is.
Edit.
Cobblers. Not seeing the point am I. Ignore me, god knows what mine is.
Edited by jmorgan on Saturday 26th November 10:16
Mr Tank said:
Jeff
Your diagram helped me with my 350i when I needed it so thanks for that!
The problem is typical TVR and there owners!
People and TVR have change things if they think it works better
(May not and in fact most times doesn't) and they don't recorded the changes!
So what you get is different views and ideas etc!
Take the "Bible"
the water diragram is a basic view from a parts list. But it doesn't cover all the models!
Personally keep it original, that's how it was made so (the old saying) "if it's not broke leave it alone"
This applies to most things on the car! As when you come to part with your pride and joy if it's original you will get a better price!!!!!!
Andy
There's no such thing as a standard Wedge. The OP's post shows this admirably. Your diagram helped me with my 350i when I needed it so thanks for that!
The problem is typical TVR and there owners!
People and TVR have change things if they think it works better
(May not and in fact most times doesn't) and they don't recorded the changes! So what you get is different views and ideas etc!
Take the "Bible"

the water diragram is a basic view from a parts list. But it doesn't cover all the models!Personally keep it original, that's how it was made so (the old saying) "if it's not broke leave it alone"
This applies to most things on the car! As when you come to part with your pride and joy if it's original you will get a better price!!!!!!

Andy
Edited by Mr Tank on Saturday 26th November 10:02
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