Coolant expansion tank adapter- pressure test

Deca

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Folks- got some tiny coolant leak somewhere so got a loaner pressure test kit from Advance. The yellow ‘ford’ cap fits perfectly, but pressure isnt building when pumping.

when using the generic rubber expansion adapter pressure does build, but afraid to pump it to 21psi as it already popped out at 3:-)

anyone knows? Specific adapter required?

thanks

 

honeybadger

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Deca

Deca

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Thanks - 100bucks😒 does that one have the universal quick connector?

I see now that the Advance loaner doesnt block the overflow hole...
 
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Deca

Deca

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Got the stant 12043 adapter, but it is stripping the threads on this friggin plastic coolant tank- yours just screwed on smoothly? Also have the plastic tank still? Ty
 

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Got the stant 12043 adapter, but it is stripping the threads on this friggin plastic coolant tank- yours just screwed on smoothly? Also have the plastic tank still? Ty
I’m using a Mishimoto tank now, but it worked on my OEM before I replaced it.

Do you have pics of it stripping/not biting the threads?
 
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Deca

Deca

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The adapter being steel, it basically stripped/bit off small and thin threads/chips of plastic, like plastic hairs- don’t have any pics. Assume the adapter should screw on easily without any added pressure, right?
 

 
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