Having problems with your 1997 Cadillac Catera ?
Water in the oil pan - 1997 Cadillac Catera
Hello, If you also have oil in the coolant then you could have a oil cooler leaking, It is located under the intake manifold. If that's not it then it could be head gaskets.
Repair Help & Product Troubleshooting for 1997 Cadillac Catera
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