Ford F85Z-6A642-AA Oil Cooler Assembly

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To replace the oil cooler, you need to disconnect the oil and coolant hoses from the cooler. On 2WD models, you use a 1/2-inch Allen wrench to remove the oil cooler housing from the oil filter adapter housing. On 4WD models, you remove a single bolt retaining the cooler to its bracket and two bolts holding the oil line assembly on the cooler. Then, you can pull the oil cooler from the adapter on the block.

If the oil cooler adapter also needs to be removed, you should remove the bolts holding it to the block. After that, clean the block and back of the oil cooler adapter, and then install the adapter to the block with a new gasket.