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Old 10-06-2023, 01:45 PM
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Steve Shauger Steve Shauger is offline
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I'm not sure what has changed but have used synthetic fluid in various cars since 1978 without issue. I have a car which has silicone fluid since 2001 and zero leakage/issues.

I've heard stainless steel sleeves and the new seals are the issue. I believe most if not all rebuilders will not warranty due to leakage issues.
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Old 10-06-2023, 10:22 PM
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IIRC (been a while) the chemical make up of silicone fluid changed a while back causing a reaction to the (old and new) seals used in our old cars.

Maybe someone here has more definitive info on this?? - Bill W
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