I just noticed this when checking all my fluids the other day. This is after sitting all night, -22 degrees Celsius outside, slightly warmer in the non heated garage. I noticed it a few days ago though and it was only minus 10. Was not visible when I tried to show my friend who's a licensed mechanic, on our lunch break. Truck was warm as we'd been driving it for work.
Edit: forgot to mention it was flushed less than a year ago about 20,000kms ago. Was original fluid from 2005 before that. No issues with the brakes or abs ever so far. 2005 Silverado with 218k miles.
Edit: forgot to mention it was flushed less than a year ago about 20,000kms ago. Was original fluid from 2005 before that. No issues with the brakes or abs ever so far. 2005 Silverado with 218k miles.
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