Matrix trouble

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Paul-GlzV

Member +
replaced my matrix with a second hand unit little over a month ago an it's just blown again i also replaced thermo stat at same time. any ideas whats causing the matrix to blow??

all help/advice much appreciated
 
dac69er

dac69er

Super Moderator
if it was second hand you may have just been unlucky and it was on its way out.

is your rad cap working ok? if its not letting off the excess pressure in the system then a weak point will leak.
 
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Paul-GlzV

Member +
i don't know mate it's abit weird goin so soon 1 afta another in abut 6 weeks!! surely it can't be coincidence?

rad cap is fine
 
dac69er

dac69er

Super Moderator
if the rad cap is working then it should stop the system over-pressurising.

i think it is just coincidence mate. if you still have your old matrix it might be worth getting it re-cored. that way you will know it is 100%
 
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Paul-GlzV

Member +
bypassed the matrix there an now my water temp gauge ain't goin up? bled the system but still nothing an fan not coming on? maybe why the matrix blew in the 1st place? i didn't notice the temp when matrix blew last night just turned it off an towed home incase i caused more damage drivin it?

just checked all fuses and nothin is blown?
 
Last edited:
Aidan@EP-styling

Aidan@EP-styling

Trader
Paul-GlzV said:
bypassed the matrix there an now my water temp gauge ain't goin up? bled the system but still nothing an fan not coming on? maybe why the matrix blew in the 1st place? i didn't notice the temp when matrix blew last night just turned it off an towed home incase i caused more damage drivin it?

just checked all fuses and nothin is blown?
Click to expand...

Is the water circulating? Check the water hose coming from the thermostat housing and see if it is getting hot or squeeze it to feel if there i water inside
 
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Paul-GlzV

Member +
would tak the skin off your hand aidan, thermo is definately opening

just bridged two wires from fan to battery an fans working fine so i'm thinkin water temp sensor which is why temp gauge ain't workin an fan not comin on when it should???
 
Aidan@EP-styling

Aidan@EP-styling

Trader
Paul-GlzV said:
would tak the skin off your hand aidan, thermo is definately opening

just bridged two wires from fan to battery an fans working fine so i'm thinkin water temp sensor which is why temp gauge ain't workin an fan not comin on when it should???
Click to expand...

Yea that would be it. IIRC its the green sensor coming out pointed towards the firewall
 
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Paul-GlzV

Member +
it would mak sense wouldn't it?

i'll order one from toyota 2mora see how i get on

will be down as soon as i can for that matrix aidan, thanx again
 
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Paul-GlzV

Member +
small update fitted a new thermo housin from toyota as the threads for my bleed nut was abit run and also fitted new water temp gauge sensor and water fan control sensor flushed the system an is all good just to get matrix off aidan an all back to normal. thanx for help lads rep all round
 
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