Radiator repair questions - MVAgusta.net
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post #1 of 38 (permalink) Old 11-11-2016, 05:48 PM Thread Starter
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Radiator repair questions

Redoing a so called professional radiator repair that was done in epoxy of some type, Questions are what pressure should I test rad to and will leaving cooling system dry for possibly a few weeks ( bike sits in bedroom) cause any issues like drying pump seals etc and what is the best product to use in Australia, brand availability varies in other countries.
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post #2 of 38 (permalink) Old 11-12-2016, 02:01 AM
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Quote:
Originally Posted by cus View Post
Redoing a so called professional radiator repair that was done in epoxy of some type, Questions are what pressure should I test rad to and will leaving cooling system dry for possibly a few weeks ( bike sits in bedroom) cause any issues like drying pump seals etc and what is the best product to use in Australia, brand availability varies in other countries.
Thanks Guys
Cus,13psi is ample pressure to check for leaks.There should be coolant in the engine block and water pump area unless you drained the whole system.Water pumps should not be left dry.You can remove it and sit it in a container of water.Auto accessory stores sell radiator sealant products that you add to the cooling system to ensure a good seal to the radiator if you want to make sure of no further leaks.


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post #3 of 38 (permalink) Old 11-12-2016, 02:38 AM Thread Starter
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Thanks Mitch.
I`ve drained and flushed the whole system but can put some coolant back in to fill up water pump and tape up openings so it doesn`t stink the room out. Thought about leak stop additives but didn`t know if they might have some detrimental long term affects. Any particular one you would recommend ?
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post #4 of 38 (permalink) Old 11-12-2016, 03:32 AM
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Cus I use a sealant powder I buy from a supplier,it is amazing,mixes with coolant,can seal small head gasket leaks.Just leave it in the cooling system forever,it detects any leaks and seals instantly.Give me your address and I will post you one free of charge.


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post #5 of 38 (permalink) Old 11-12-2016, 04:28 AM Thread Starter
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PM sent Mate, Thankyou very much.
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post #6 of 38 (permalink) Old 11-12-2016, 02:56 PM
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PM sent Mate, Thankyou very much.
Got it Mark.Will post tomorrow.
Instructions are-
Warm engine to operating temperature.
Sprinkle powder slowly into radiator/expansion tank.(Use whole satchet)
Fit pressure cap and run motor for at least 10 minutes (important)
The seal tab (as they call it)mixes with coolant and will seal any minor leaks as long as the coolant is not drained.
Hope this helps you mate.


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Last edited by mitchy; 11-12-2016 at 03:11 PM.
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post #7 of 38 (permalink) Old 11-13-2016, 06:57 AM
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Mitch, I'm curious: The seal powder must then react when it touches air and reduces in temperature as it passes through a leak.

What happens when you want to drain the system for some maintenance activity?

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post #8 of 38 (permalink) Old 11-13-2016, 01:54 PM
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Your right Chuck,it searches for air,then congeals and seals the leak.When you change the coolant in the future another seal tab is required.

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Last edited by mitchy; 11-13-2016 at 02:02 PM.
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post #9 of 38 (permalink) Old 11-13-2016, 05:34 PM
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I think the question is when air enters the system during draining what happens to the product? Does it congeal wherever it meets air in the system and congeal inside the cooling system? How do you get it rinsed out before it congeals?

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post #10 of 38 (permalink) Old 11-14-2016, 03:08 AM
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Getting technical now,google Seal Tab and have a read.


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