2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Radiator cap assembly?

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Old Feb 24, 2006 | 11:34 AM
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RoughRex's Avatar
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It's Radiation Therapy
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From: Nashville, TN
Radiator cap assembly?

Anyone know if the cap assembly from a 87-88 radiator will fit on the radiator out of a 86?

It looks like someone replaced the rad. in my 88 with one from a 86 but when the system builds pressure the tube that would have gone to the overflow on a 86 is cracked and leaks. I noticed that the 88 assembly requires an O-ring but I don't know if it's for the cap or for sealing the assembly to the rad.
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Old Feb 24, 2006 | 08:46 PM
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http://mazdatrix.com/b8.htm

Pan down to the radiator caps.............
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Old Mar 8, 2006 | 06:14 PM
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It's Radiation Therapy
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I ordered the cap assembly for an '88 and put it on last night. We'll say YES it does fit.....kinda. It takes a little forcing because it's slightly bigger than the assembly for the '86. But, it did go on and got a good seal with the new O-ring I put under it.
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