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Discussion Starter · #1 ·
Lately I’ve been noticing that my coolant reservoir is overflowing and I’ve seen online that seems to indicate a head gasket issue. I bought the kit that I need, and I am planning on replacing it. For what it’s worth, the overflow issue only seems to occur if I rev to higher RPMs and drive for longer than 30 minutes.

I did come across a few posts that suggested that perhaps it is not the head gasket but the water outlet gasket causing the issue. Since I have the gasket, I figure I may as well give it a shot to see if they’re right or not. I know I have to drain the coolant to replace the gasket but do I also need to drain the oil since it’s on the side of the cylinder head? And is that gasket only good for one use?
 
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