Originally Posted by R100RT Mark
OK, took a look at the issue here. Shoes definitely seem to have some oil or grease contamination but there is no sign/evidence of where any oil or grease may have come from. Any thoughts?
IIRC there are a couple o rings where the brake shaft goes thru the final drive housing - I'd kinda assume some gear oil (or mist) has migrated across the shaft and settled out on the inside of the drum. Mixed with brake dust it's look like paste