Using POR20 on a new Exhaust - Trans Cooler Hose sizes - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-30-2007, 03:28 AM   #1
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Default Using POR20 on a new Exhaust - Trans Cooler Hose sizes

Hello
I have to replace the exhaust on my 93 SSE and I was wondering if painting the new exhaust with POR20 is recommended to prevent from rusting.
I will replace from the DP back. Anyone have any experience using the POR20 on the exhaust parts?

Also I have to replace the trans cooler rubber hoses. Does anyone know the size of the hoses? I went to Autozone and they only sell the hose by the foot but they need the diameter size.
When I replace the hoses, will all the trans fluid come out or just some? What kind of trans fluid does my car need?

Thank you.
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Old 09-30-2007, 11:27 AM   #2
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No need to treat the exhaust. It should only mildly surface rust on the outside. It'* mandrel-bent stainless steel.

Measure your lines. Or take one off and take it with you. There were 2 different coolers available in the 92-95'*, and there'* no way to know for sure yours is original without you taking pics. If you do that, you might as well measure.

Use any name-brand trans fluid. NOT synthetic. Especially on a trans with high miles.
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