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Cold weather oil leak?
Something odd happened a few weeks ago. Never experienced this before, but this is my first 3400, so thought I would ask even though I'm a little embarrassed to.
We had a cold snap, teens during the night and mid 30'sF during the day. After a 50 mile round trip to work and back, the oil level on the dipstick would drop almost "hole to hole". After a warmup to the 40's and 50's the oil level stays the same.
A few months ago had the oil pressure sending unit replaced that was leaking oil. Afterwards no loss of oil.
I know metal contracts during cold temps, but I have never even heard of this on any kind of motor and I know temps in the teens are not that severe.
Any thoughts?
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