I'm replacing the radiator on my 03 CTS and I've run into a problem. The transmission cooler line on the passenger side has a fitting that screws into radiator. All of the replacement radiators I've seen have a quick connect fitting on that side that wont accept the fitting that's on my cooler line. Has anybody dealt with this issue? Is there an adaptor that would tie the two different type fittings together? Thanks in advance for any help and advice.