IS F (2008-2014) Discussion topics related to the IS F model

Leaking coolant overflow reservoir

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Old 02-09-16, 10:59 AM
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calteg
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Default Leaking coolant overflow reservoir

Anyone else experience a hairline crack on the coolant overflow reservoir?

I noticed a bunch of dried coolant during my last oil change, ended up tracking it to where the upper radiator hose meets the reservoir. It's leaking a few drops per week, but it's enough to be irritating. I was only able to catch it by feeling the underside of the hose.
Old 02-09-16, 12:31 PM
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ISFjimmy
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Is it not the little hose leaking? Could just be cracked at the end where its clamped. I believe that's how mine is leaking.
Old 02-09-16, 04:02 PM
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calteg
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Doubtful. I pulled the hose, clipped the last 1/4" off and reseated it.

I love that you actually ran a Grom down the quarter mile...little terrified that it takes a quarter mile and you're still not up to the speed limit though
Old 02-09-16, 08:43 PM
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k20trick
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where is it looking on a lot of lexus's even new ones I see crust build up of coolant right on the resevoir like there is a crack is that what your referring to?
Old 02-10-16, 08:09 PM
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ISFjimmy
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Originally Posted by calteg
Doubtful. I pulled the hose, clipped the last 1/4" off and reseated it.

I love that you actually ran a Grom down the quarter mile...little terrified that it takes a quarter mile and you're still not up to the speed limit though


Does it look like this?
Old 02-11-16, 09:35 AM
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calteg
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It wasn't that bad, but yes, it looked similar. I cleaned it when I pulled the hose. Now, every few days the underside of that hose is damp. It's strange, because most days it's dry.
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