Quote:
Originally Posted by INSIDIOUS
He did ask about warm cold ...
About the IM gasket The 5L gm's of that era had a corrosion issue with the gasket. I think the Olds 307 was the worst. I think they were aluminum? And that manifested in a coolant leak into the valley and cylinders. any coolant loss? IIRC the corrosion/leaks were usually at the rear on the driver side of the motor.
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Well, yes he did ask about it and I answered. The problem is about equally bad warm or cold.
Funny you should mention, there has been a persistent coolant issue that I cannot solve. I put in a new radiator a few years back, my mechanic found a couple of freeze plugs that were in bad shape and leaking, and yet there is still a slow leak. It never goes terminal, but I have to top the damn thing off. I have wondered a few times if I’m a nut job for keeping this running.
The only intake manifold gasket I’ve changed in my storied career was on one of my BMW E30 325i units. That was a tricky job, but it did the trick. It was going into loping at low rpm, I would be herky-jerking around turns.