Heater Problem.

67Rob · Mar 30, 2015

Heater has suddenly gone cold. As in blowing out cold air.
When I rev the engine or drive it blows out out hot but after a few minutes stationary it gradually gets colder til it's icy cold.

Any ideas?

biketeacherdave · Mar 30, 2015

yeah low water level in your coolant tank and or air lock

67Rob · Mar 30, 2015

Ok, another leak to look for then.

biketeacherdave · Mar 30, 2015

iv been chasing leaks on mine for weeks cooling system in tip top condition no overheating in the end i put rad seal in no more leaks cooling level stays up

67Rob · Mar 30, 2015

biketeacherdave said:
iv been chasing leaks on mine for weeks cooling system in tip top condition no overheating in the end i put rad seal in no more leaks cooling level stays up

I've used radseal before, good stuff.
Do I just top etc via the expansion tank? Sorry, but new to these cars...

biketeacherdave · Mar 30, 2015

yeah top up run with cap off to get any air out replace cap check level when cold n repeat

Datatek · Mar 30, 2015

Could be a duff stat.

Druim · Mar 30, 2015

biketeacherdave said:
iv been chasing leaks on mine for weeks cooling system in tip top condition no overheating in the end i put rad seal in no more leaks cooling level stays up

Better to find the problem, another P38 waiting to :rolly:

biketeacherdave · Mar 30, 2015

Druim said:
Better to find the problem, another P38 waiting to :rolly:

i really cant find any problem with it iv perfromed a sniff test i run uv dye in the anti freeze, so no head gasket issues, im sure i dont have a porous block all the plugs come out looking good n normal i didnt have a problem until i changed the top rad hose and T peice and drop hose its a **** part one and leaked almost instantly from the clips, clip replaced with decent types going to fit mikalor shortly to all hose and refit the original hoses with the metal T peice i previously fitted and fit a new stat that iv drilled a 3 mm hole into which aids cooling so they say and helps with the normal air locks these suffer

other than that all seems well the radseal has sealed it up no more leaks and holding water if the worse was to happen at least id fine the problem if it even exists

Druim · Mar 30, 2015

biketeacherdave said:
i really cant find any problem with it iv perfromed a sniff test i run uv dye in the anti freeze, so no head gasket issues, im sure i dont have a porous block all the plugs come out looking good n normal i didnt have a problem until i changed the top rad hose and T peice and drop hose its a **** part one and leaked almost instantly from the clips, clip replaced with decent types going to fit mikalor shortly to all hose and refit the original hoses with the metal T peice i previously fitted and fit a new stat that iv drilled a 3 mm hole into which aids cooling so they say and helps with the normal air locks these suffer

other than that all seems well the radseal has sealed it up no more leaks and holding water if the worse was to happen at least id fine the problem if it even exists

Yeah but, you didn't change the old leaking radiator

biketeacherdave · Mar 30, 2015

Druim said:
Yeah but, you didn't change the old leaking radiator

its not leaking never was it was leaking at the hoses

Heater Problem.

67Rob

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biketeacherdave

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67Rob

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biketeacherdave

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67Rob

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biketeacherdave

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Datatek

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Druim

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Druim

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biketeacherdave

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