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Coolant leaking from 22R head rear plate
I have coolant leaking out from under the lower bolt on the passenger side of the rear plate after replacing the HG. (This is the bolt that holds the air injection tubes to the rear plate.) The plate gasket is a high temperature type that looks like lead so I didn't think to put RTV on it when I installed the plate. The gasket is the same type as for the air injection tube flanges. But now that I know the middle of the plate is the coolant, I should have known.
I removed the valve cover, air injection tubes, rear engine hanger and ground wire, and coolant, vacuum, and fuel lines that were in the way. I also removed the evap cannister and tucked it down out of the way. (I think the evap cannister made a big difference. I should have removed it for the HG job.) It was then pretty easy to remove the rear plate. All this in about an hour.
I plan to dry off gasket and plate and put high temp RTV on both sides of the gasket before re-installing it. These are my questions before going forward:
1. Do I put the high temp RTV on the gasket or something else?
2. Do I need to remove the heater line that goes from below the intake manifold to the drivers side of the block? (I had to come in before I could investigate the clearance.)
3. Should I reuse the gaskets or am I asking for trouble? They were just on for a couple days. I only ran the engine a minute or two and the exhaust manifold barely got warm before I found the leak.
Does anyone have any suggestions or cautions to make this job easier and most successful?
To the guy who posted in February; how did your job go?
Thanks in advance for any advice.