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Johnr352 Johnr352 is online now
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Join Date: Feb 2024
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I suggest that, if it's not been done, you replace both hard lines and the flex lines that connect to the cooler in the fender well. Take your time with the thermostat and the oil cooler threads. Double wrench, use some heat, lubricant etc. so you don't ruin the threads. They can be tight...

If you're really doing it, use this as an opportunity to replace the lines from the oil tank to the thermostat as well, that rubber can get pretty hard after 40 years and crack and such.
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'84 911 Targa
Old 10-29-2025, 12:34 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #16 (permalink)