rsmcmahon-

I'm not using water wetter but I did use some MMO to quiet a noisy lifter. I read later than this stuff can possibly dissolve gaskets and I'm wondering if this is true as my oil in coolant problem appeared soon after I used the MMO.

The weird thing is my expansion tank has old oil stuck to the inside top of it, and I'm wondering if this drips down when the tank gets hot.
Maybe I should try cleaning the tank out throroughly or get a new one and see what happens.

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1993 320TE M104
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past:

1983 230E W123 M102
1994 E300D S124 OM606 (x2)
1967 250SE W108 M129
1972 280se 3.5 W108 M116
1980 280SE W116 M110
1980 350SE W116 M116
1992 300E W124 M103
1994 E280 W124 M104
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"music and women I cannot but give way to, whatever my business" -Pepys