Mechanics

OIL COOLER - DEALER STATES IT IS LEAKING

2003 Cadillac CTS • 6 cylinder 2WD Automatic • 1,200,000 miles

I have a 2003 cts that the oli cooler is leaking a small amount daily - it is an outside drip does the whole unit need to be replaced or just a hose or connections I cant find the sorce point I have to add a 16 oz every 6 weeks
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5mang
November 19, 2010.



It really matters where the leak is. If it is part of the steel cooler, it should be repairable. If it is one of the connections, you may have to replace the connector/o-ring.

Regardless, chances are it is repairable and doesn't need replaced.