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Radiator caps

4788 Views 8 Replies 7 Participants Last post by  paris1
Our VQ40 has 2 radiator looking caps.
The one on the radiator is just a cap with a rubber seal.
The overflow has the internal spring/relief valve.
I've never seen that before. I didnt think the overflow would be part of the pressurised system.
Are my caps on correctly?
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if they leak they are not on tight enough,yes there are 2
1 - 1 of 9 Posts
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