uss2defiant
Full Access Member
Hi all,
I have a slow loss of coolant.
The level have gone down to the bottom of the 'cold' lettering.
I don't remember how long but I want to say about half a year.
I'm going to start with testing if it's a HG issue with a block test w/ the blue fluid.
Other tests I can think of are compression test and using UV dye in the coolant if the HG test comes back negative.
Has anyone used UV dye in their coolant system?
https://www.amazon.com/Interdynamics-375CS-Radiator-Coolant-Dye/dp/B002M4E0VC
Any other thoughts?
Thanks
I have a slow loss of coolant.
The level have gone down to the bottom of the 'cold' lettering.
I don't remember how long but I want to say about half a year.
I'm going to start with testing if it's a HG issue with a block test w/ the blue fluid.
- Pressure testing in the past have shown no leaks and the pressure has held for an hour.
- Water pump and thermostat are about 1-2 years old.
- Radiator cap seem fine. It was replaced about 5-6 years ago.
- System was flushed about 1-2 years ago. Hoses were fine so didn't replace them.
Other tests I can think of are compression test and using UV dye in the coolant if the HG test comes back negative.
Has anyone used UV dye in their coolant system?
https://www.amazon.com/Interdynamics-375CS-Radiator-Coolant-Dye/dp/B002M4E0VC
Any other thoughts?
Thanks
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