AST delete question
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AST delete question
Ok so I have a question that I couldn't find the answer too. When you delete the AST you need the new filler neck that is slightly taller. Is this just to make it the highest point in the system? Or am I missing something? Why is it necissary?
#6
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The only reason to change the rad cap neck out is to use the 2nd gen part that has the nipple for the overflow. That's it.
Been running for YEARS with no AST, zero cooling problems.
Dale
Been running for YEARS with no AST, zero cooling problems.
Dale
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#9
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No, the only time it has coolant flowing is when The system is venting. Coolant expands, pressure builds, lifts radiator cap, bypasses. Coolant cools down, contracts, sucks it back past the radiator cap. Just needs to be sealed. If just tapping and adding a fitting, make sure it doesn't stop the cap sealing the neck or interfering.
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kevintx7 (02-21-22)
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No, the only time it has coolant flowing is when The system is venting. Coolant expands, pressure builds, lifts radiator cap, bypasses. Coolant cools down, contracts, sucks it back past the radiator cap. Just needs to be sealed. If just tapping and adding a fitting, make sure it doesn't stop the cap sealing the neck or interfering.
would the mazda part number be different from the mazdatrix? I want these parts soon and mazdatrix would take to long
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