Thanks, Frank for that info.
When going down that steep hill, it did smell like the brakes were overheating.

I thought I was using DOT 5? At least the container says so, but maybe it was too old?
Does the fact the weather here has been exceptionally humid/rainy the past few months give the brake fluid more water to absorb?

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1991 300E 124.030 103.983KE 722358 03 412178
207K

1979 240D 123.123 250K (Project car)

2000 Ford Ranger, 187K

2015 Dodge Ram 1500 EcoDiesel 37K