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What did you do with your GMT400 today...or yesterday....

No, I didn't even think about the egg trick. yesterday evening after dropping some black pepper and topping it off it seemed to hold and from the looks of it, it stopped leaking almost right away! I will know for sure after work today, I have been normally getting a small puddle within a few minutes of parking in the driveway. it will usually leak until the pressure dissipates on the cooling system. I spotted the leak a couple weeks ago coming from the water jacket area on the passenger side top of the timing cover against the block near where the turbo oil line connects on the block.

What I'm afraid of is me tearing it down only to find that the timing cover aluminum housing in that area is rotted away and will be in need of a replacement cover. When I do get to the point of repairing or replacing the engine, I will need to look for another timing cover to have available. I know the one on the 6.2 I have is not the same since it doesn't have to port for the crank sensor.
 
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