3S-GTE Losing water/Overheating. Suggestions to diagnose cause?

[midnight_purple_GA70]

try using red coolant with water wetter in it...

[TRDcelica90]

to stop[ boiling after you turn off the car a 1.3 rad cap does it with ease.. to cool down your coolant.. bypass the water oil cooler and set up an ATA oil cooler..

low temp thermo!! all these have worked way better than the stock system for me!!

[TH Performance]

yes, there are nice things you can do I did them all

[ACT blue 22]

just remember the simple principle of kiss keep it simple stupid. do the easy stuff first big stuff last. Simple things like fixing the slight hose leak and check the rad cap first then go from there.

red and green coolant only differ in the base in what there made from. green is glycol and red is organic. the glycol base won't corrode the head as long as the head has a good earth strap on it from head to body. Otherwise they pretty much do the same thing.

[TRD_021]

Thank you guys sounds like It might be time to open my engine up and replace the HG and I can check the condition of the engine as well.

For the guys that had the minor blown HG, were you able to test for it at all ? how did you know that was the issue?

Were you able to visually see signs of the blown head gasket when you opened it up?

signs of blown head gasket are, in the over flow bottle you'll see the coolant go milky, oil mixes the the coolant, sometimes you'll see coolant coming out of the exhaust.

[midnight_purple_GA70]

signs of blown head gasket are, in the over flow bottle you'll see the coolant go milky, oil mixes the the coolant, sometimes you'll see coolant coming out of the exhaust.

my 1g-gte showed none of these symptoms though...

[OnAll-FOUR]

signs of blown head gasket are, in the over flow bottle you'll see the coolant go milky, oil mixes the the coolant, sometimes you'll see coolant coming out of the exhaust.

And this is exactly why I'm starting small and working up from there because I have none of the tell tale signs of BHG.

It also went to the dyno day after the first time it lost water and pulled an extra 10kws, so it isn't down on power like you might expect. And there is no milkiness in the coolant or the oil.

[MWP]

signs of blown head gasket are, in the over flow bottle you'll see the coolant go milky, oil mixes the the coolant, sometimes you'll see coolant coming out of the exhaust.

I didnt see any of this either with my BHG.

It depends on how severe the blown head gasket is.

[midnight_purple_GA70]

I didnt see any of this either with my BHG.

It depends on how severe the blown head gasket is.

yeah i believe also if it is a blow or crack between a cylinder and a water gallery it wont show the tell tail milky signs etc...

[TRD_021]

I didnt see any of this either with my BHG.

It depends on how severe the blown head gasket is.

I've seen it on other car, like my old vl very common in the over flow bottle, in my old kc laser had a cracked head and coolant was pissing out of the exhaust lol.

but yeah i agreed it depends how severe the head gasket is.

[ACT blue 22]

As he stated in the first question its been happening for 3 months. now a blown head hasket would show some sort of problem over a period of 3 months.

[MWP]

As he stated in the first question its been happening for 3 months. now a blown head hasket would show some sort of problem over a period of 3 months.

What?
Do you think BHG's should follow a set of rules or something?

[OnAll-FOUR]

they seem to be a bugger of a thing to diagnose when they are small and thy don't give the tell tale signs.

MWP did you get a TK test done on yours when you were trying to find it?

[midnight_purple_GA70]

As he stated in the first question its been happening for 3 months. now a blown head hasket would show some sort of problem over a period of 3 months.

i drove my car around for about a year with overheating issues due to BHG... did not show the tell tale signs of it that whole time...

[MWP]

MWP did you get a TK test done on yours when you were trying to find it?

I didnt. Not that it could have tested positive anyway since the coolant wasnt bubbling at idle, or when revved in neutral.