Hello, I just picked up an E30 that has a built M20B25. It has a custom crankcase breather / catch can setup. Recently I noticed my coolant light came on and the car crept up over 212 F when normally its 165-172 when cruising and up to ~201 F on a hot day at a stoplight (in TX, 95 F weather.)
I checked the coolant level and it was suddenly quite low and I could see steam coming out of the crankcase breather with the engine on when I was trying to refill the coolant and bleed it from the bleed screw.
There is no steam coming from the exhaust that I could see, but there is just a little bit of water contamination under the oil fill cap and seems like a bit of oil in the coolant expansion tank. This is surely a blown head gasket, right?
I checked the coolant level and it was suddenly quite low and I could see steam coming out of the crankcase breather with the engine on when I was trying to refill the coolant and bleed it from the bleed screw.
There is no steam coming from the exhaust that I could see, but there is just a little bit of water contamination under the oil fill cap and seems like a bit of oil in the coolant expansion tank. This is surely a blown head gasket, right?
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