Hi there, I have replaced the water pump twice now on this a 2007 Mazda 6 S 3.0L I have. I found bad coolant leak when I was replacing the AT mount one day. It was leaking from one of the necks that directs coolant to the thermostat housing. This part is made of plastic and I thought it I must have…

I once used black 2 part plastic epoxy to re-attach a broken plastic radiator inlet on my '96 Jeep Cherokee. It held for 2 years until I sold the Jeep. Use a name brand.

I used JB Weld to fix an external crack in the engine block of a 20R Toyota engine. Coolant had been leaking. I was careful to grind away to fresh metal and clean the area thoroughly. It never leaked again. Someone here posted that the fast-setting JB Weld is not as good as the standard stuff, which…

You can also look through the catalog of adhesive sealant made by Permatex. https://www.permatex.com/product-category/adhesives-sealants/sealants/

Thank you all for your suggestions!

[image] J-B ExtremeHeat™ J-B Weld™ ExtremeHeat™ is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks,... Price: $ 9.9…

Any "glue" or sealant that is resistant to coolant and high temps?

Maintenance/Repairs

Tester July 8, 2018, 8:45pm 7

Tester

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Any "glue" or sealant that is resistant to coolant and high temps?

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