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OK, thanks, I'll check overflow bottle and the pipes to and from it. The coolant use is getting worse. Today it took about a litre: overflow bottle was empty. I filled the system 4 days/200km ago. So far:
-pressure test OK
-new radiator, t/stat, and cap
-no milkshake in the oil
-runs beautifully.
Has anyone used Bars Leak?
edit: there's clear advice on the forum against this, so i won't use it.
The carpet on the passenger side is dry.
I guess the next thing is a test for exhaust gases in the coolant.
I believe some of that advice was from here:
https://www.aussiemagna.com/forums/sh...ad.php?t=88978
I'll check the coolant reservoir and its tubing next. Does anyone have any tips on how to get to these items?
Thanks.
It turns out the coolant reservoir and tubing are dead easy to get to from underneath. But on careful checking, there's no evidence of a leak. Both look perfect.
Did you remove the tubing from inside the overflow bottle and clean it out?
No I didn't. Good Idea, I'll do that.
Thanks.
On removing the tube from the radiator neck, I can easily blow thru the tube into the overflow bottle, so it's not clogged.
I'm left with water getting into combustion chambers, via either a leaking head gasket or the LPG converter.
It still uses about 500mls coolant every second day. So far:
-new radiator, hoses, cap, thermostat;
-overflow bottle and tube to it are fine;
-no leak onto passenger side carpet;
-no milkshake in oil;
-cylinder head test (for carbon monoxide in coolant) is negative; test solution instantly turned yellow on exposure to exhaust, so a good positive control for the test;
-gas converter has been bypassed, so running on petrol only;
-no coolant leaks are evident on pressure test.
The engine runs beautifully.
It had a new water pump about 18 months ago when the timing belt was done. I guess the next thing is to use the UV coolant dye. Any suggestions? if anyone know where these things can leak coolant, please advise. it used to go years without using a drop.
The magna right now is giving me the sh1ts. The back seat got stuck in down position, and while I fixed that, it now makes a shriek, like fingernails on a blackboard, over every bump. I put oil on the LHS hinge which fixed the problem for about a minute.
it would be a pity to get rid of it over these minor issues.
If the car isn't leaking coolant, it is burning it.
Also, simply touching the carpet won't help you, you need to lift it to check the insulation is dry.
My 400,000klm old KL burnt coolant for a little bit due to a stuck thermostat ****ing the head gasket. It ran quite well until it didnt.
I would also check the centre of the V as the tubing in the middle has 2 seals that can leak.