Skip to main content

Just was going over some spring time services and noticed my brake master is full, and a fairly clear 'golden' color.

The clutch master fluid, however, was very stained. I bought 12 oz of Valvoline synthetic (DOT 3, 4) and flushed it through the system. Clutch feels fine, most of the discoloration gone.

Are my seal disintegrating? Time for a precautionary new master/slave? Also, does this synthetic eat rubber? (Castrol LMA not available locally.)

Would rather be safe than sorry.
Original Post

Replies sorted oldest to newest

Discolored clutch hydraulic fluid seems to be carbon black from OEM brake hoses, rust in steel lines and varnish from heat & moisture over time. The copper connecting line in front may have a small catalytic effect, too- especially with water present. Changing both clutch & brakes to teflon-lined AN hoses & eliminating the stock copper line cleared up discolorations but I still change fluid in clutch & brakes each Spring.
Post
×
×
×
×
Link copied to your clipboard.
×