Possible to have heater matrix hoses the wrong way round?

[Parry_10]

Is this possible guys? the car is an na and the engine is a tt if that makes any difference. Ive looked at the two hoses going into the bulkhead and one of the rubber hoses is alot shorter than the other making it impossible to get them round the wrong way..?

[Delboy52]

These heater cores are the same as a regular radiator in the house or a water cooled computer. Shouldn't matter which way round the pipes go as long as they reach without pinching.

[hodge]

It makes no difference.

[James]

It's pretty difficult to get them 'wrong' due to the shape of them but shouldn't matter anyway

[Parry_10]

Ok just I've been told having them the wrong way round could cause the heater to only blow luke warm air but it doesn't seem possible to switch them over

[Dnk]

Mine has custom hoses on which got fitted on the opposite way to which they were

originally which i didn't know about.

I had the same luke warm heater afterwards and couldn't

figure out why, all was perfect on my car before, new matrix, fully bled through, lovely hot heater

etc.

 

I changed the heater control units checked just about everything there is to check, i even cut the

top matrix hose and fitted my own custom made bleed valve T piece, re bled the system

several times all no joy.

 

Then one day i was at Ibrars and we got chatting about this and that and i raised my heater issue with him, we

swapped the pipes over and bingo the heater was back to normal.

 

So theres either been a major coincidence or swapping the pipes did cure my heater problem.

 

Hence i mentioned it to Parry