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Slight Radiator Leak


FLEXUS K
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hi guys

i,ve noticed my car has a very slight coolant leak which looks like its coming from the bottom left of the rad.

the sight glass takes about 2 weeks to drop.

has anybody used radweld or similar?

car is an is200sport on a x plate.

i,ve heard radweld can cause more harm than good.

wot is the price of a new rad or can they be repaired?

any advice would be appreciated.

cheers flexus k

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As Ormi says, Radweld will probably goose up your waterpump as well, get a patterned radiator off eBay for £100-£120. You'll need some fresh coolant as well.

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The only engines that radweld cannot be used on is the honda 2.7 V6 units, so it won't damage anything if used correctly. However, from experience, once the rad starts leaking, you are not far away from a big failure so I would agree with above and change the rad.

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Thanks for the advice guys.

i,ve got a couple of quotes today-

lexus £260

a1 radiators £130

are the copy radiators ok and is there any difference or fitting problems?

cheers again guys

ps i,ll buy the toyota ready mixed coolant.

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looks like it will be a new copy rad then.how come the core size is different though?

quite a big difference between 16mm and 27mm core.

i,ve been told there all the same apart from auto box ones which are a bit cheaper.

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Patterned rads have a 16mm thick core where as OEM Lexus one will have 27mm thick core- doesn't make a difference, as I've done 50k so far on a 16mm thick core radiator without any problems.

Get a patterned rad mate.

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