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Old 07-27-2021, 06:22 AM   #13
blue62
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Join Date: Aug 2018
Location: Woodland Wa
Posts: 1,309
Quote:
Originally Posted by xhifer View Post
We feel stupid but lucky. It ended up being the cap... We put on the "04" updated cap and no more hissing sound and no coolant loss.
If you have any doubts before the trip get the system pressure tested.
If there are any issues a pressure test will tell you.
It is a very simple test.
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