antifreeze seeping through head bolts - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 8 (permalink) Old 12-28-2009, 01:27 AM Thread Starter
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antifreeze seeping through head bolts

please help me i have antifreeze seeping through the head bolts on my rmk 800. No seals are leaking i just replaced the O-rings do i need to put some kind of silicone on the bolts?
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post #2 of 8 (permalink) Old 12-29-2009, 05:37 PM
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we had the same problum with out xcr 40 when i blew it up i put blue rtv arround the head bolts when i put them in and dosent seep a bit
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post #3 of 8 (permalink) Old 12-29-2009, 05:49 PM
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+1 on zach's suggestion. There is some kind of sealant from the factory on the bolts to prevent seepage, RTV seems to work fine to replace it.

2007 Dragon RMK 700 155", 2008 RMK 600 155", 95 Prowler 550 2-up, Really OLD AC Cheetah

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post #4 of 8 (permalink) Old 12-29-2009, 06:10 PM
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Thread Sealant.
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post #5 of 8 (permalink) Old 01-03-2010, 07:18 PM Thread Starter
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thanks for the suggestions
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post #6 of 8 (permalink) Old 01-03-2010, 08:34 PM
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Should this be done on all top ends - or is that specific to this engine?
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post #7 of 8 (permalink) Old 01-04-2010, 08:37 AM
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I had the same problem with my dirtbike, it would leak out of every bold, then i needed reserve one day i touch the anti freeze, which was a little hot, so i went to the mechanic next door and he said blue lock tight and tighten it 15 lbs more torque then wat the spec is, the spec says 25 lbs. Since then it hasnt leaked.

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post #8 of 8 (permalink) Old 01-04-2010, 12:36 PM
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Quote:
Originally Posted by Renrip View Post
Should this be done on all top ends - or is that specific to this engine?
It's the same as a car engine. Bolts going into the water jacket should have sealant on them, or chances are pretty good they will leak.

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