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The mkiv Supra Owners Club

coolant change


hodge

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Im changing my coolant at the weekend. Ive bought 10ltrs of red forlife coolant. Do I just take off the bottom rad hose and let all the old coolant out reconnect the hose and then fill it up again or will the system require bleeding off. if so which is the best way to do so. Also when do i know when theres enough coolant in, is this just when the rediator is foll or will i start the carandf then keep filling it as it goes down whilst circulating.

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Hodge, i'd flush the rad and the block with a hose pipe. The Rad via the rad cap and the block by detaching the top rad hose (careful here - low hose pressure needed else you will get it coming back at you!) I also removed the expansion tank and cleaned this up a bit.

 

Once this has fully drained, then refill via the dettached top hose as well as the rad. When coolant is visible in the top of the rad and the top hose, then replace the top hose to the rad and top up the final bit of the rad. Start the Car with a bottle in the rad neck as per the link, and squeeze the top hose and top up as required until the level settles (a few minutes). Add some to the expansion tank and then monitor for a few days.........

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I think I better flush it as I bought the car off a proper scrote didnt take care of it at all. Cheapest was best he thought I think.

Ive spent a fortune getting it sorted but every penny has been worth it.

Anyway thanks for the help guys.

Ill let you know how I get on and if I manage to sort it without breaking something (very unlikly).

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I think I better flush it as I bought the car off a proper scrote didnt take care of it at all. Cheapest was best he thought I think.

Ive spent a fortune getting it sorted but every penny has been worth it.

Anyway thanks for the help guys.

Ill let you know how I get on and if I manage to sort it without breaking something (very unlikly).

 

I managed to change the whole radiator without breaking something, you'll be fine just changing the coolant ;)

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