Hey, everyone. I just joined and this is my first post. I've got a 2004 Sienna LE, 3.3L that has developed a coolant leak. It's coming from a plate just to the left of the oil filter. I'm going to be flushing the coolant as soon as the weather warms up and I'm wondering what the heck this plate is. I'm thinking I can just take it loose, clean the surfaces and use high temp RTV as a gasket. Anyone have different advice? See the photo below.