Clubjazz - Honda Jazz & HR-V Forums

Honda Jazz Forums => Honda Jazz Mk3 2015-2020 => Topic started by: monkeydave on November 08, 2026, 07:34:49 PM

Title: tiny coolant weeping from hose on thermotat housing and also from gap in housing
Post by: monkeydave on November 08, 2026, 07:34:49 PM

has anyone else has this at 8 years old jazz very tiny amount of coolant not dripping just evaporating from hose or thermostat housing i think it has been happening for quite a while as noticed expansion tank level going down a couple of mm per 500 miles

Title: Re: tiny coolant weeping from hose on thermotat housing and also from gap in housing
Post by: paulhipw on November 09, 2026, 03:57:25 PM

Have you changed the thermostat recently or is it the original?

I have just changed mine but used some Blue Hylomar Universal Gasket Jointing Compound on the sealing face and have had no leaks.

Title: Re: tiny coolant weeping from hose on thermotat housing and also from gap in housing
Post by: monkeydave on November 09, 2026, 05:16:45 PM

Quote from: paulhipw on Today at 03:57:25 PM

Have you changed the thermostat recently or is it the original?

I have just changed mine but used some Blue Hylomar Universal Gasket Jointing Compound on the sealing face and have had no leaks.

it is all origional i want to change top and bottom hose and all 4 clamps with the thermostat and gasket and maybe even the radiator cap too as it is nearly at coolant change time at 8 years even with only 41k on the clock