I am trying to order a new radiator for my 07 SRX4 4.6l v8. Well I have 2 options. The only thing from stopping me is if mine is the trailer package or not. I don't want to waste time and money ordering the wrong one. This is my first Cadillac. I have only owed bmws. So this has me feeling dumb...

My heater core is leaking and I’m trying to avoid replacing it entirely if possible. Someone mentioned using two tubes of Alumaseal would fix the problem but I wanted to ask around before I do something that damages my car permanently. Has anybody had success with radiator sealant? And if so...

I don't know much about cars or the correct terms for the parts so I apologise for that I'll try my best! I have a 2003 Cadillac DeVille. The radiator blew about 2 months ago. We replaced that. Last week I was driving and the transmission cooler line cracked and sprayed transmission fluid...