rotifer II
A2OC Donor

Hello Mac,
The deposite was possibly a precipitate akin to limescale?
I was hoping for it to be a pink colour but it wasn't. This doesn't rule anything out.
Aluminum and another metal can cause galvanic corrosion but this small build up is most likely to be a deposite of some sort.
The alloy housing with a clean and even surface helps prevent leaks. The coolant pipe o-rings work well with a light covering of silicone grease.
All coolant pipes in this position on the engine are the same design AFIAK. (reference required)
Its a snug fit and the engine is very close to the pipe.



The deposite was possibly a precipitate akin to limescale?
I was hoping for it to be a pink colour but it wasn't. This doesn't rule anything out.
Aluminum and another metal can cause galvanic corrosion but this small build up is most likely to be a deposite of some sort.
The alloy housing with a clean and even surface helps prevent leaks. The coolant pipe o-rings work well with a light covering of silicone grease.
All coolant pipes in this position on the engine are the same design AFIAK. (reference required)
How close is the fit, between the coolant pipe and the engine housing?
Its a snug fit and the engine is very close to the pipe.



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