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Oil Cooler Question?


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Not a bad idea to check the oil cooler if you are having a temperature issue, especially if it has not been apart since new. If you have the old style round cooler they tend to plug up at the rear of the cooler near the filter pedestal. Most of this debris is leftover casting material from when the block was new. Mack had issues with that on early E-TECHs. I was told the cooler itself does not often go bad, if you take it apart, clean it and assemble with new O-rings & gaskets should be OK.

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