[SoCal LS-L]

Originally Posted by redlightningsvx

Thanks for the advice John. I'll definatly clean the tank and hose tomorrow as the inside did look a tad dirty. As far as coolant i'm running Subaru long life coolant 50/50.

Quick trick for cleaning the reservoir tank. Its counterintuitive, but dump out the reservoir and add small gravel and rocks into it, enough to make it 1/4 to 1/3 full. Put in a little dish soap, a little water, and shake the hell out of it.

The coolant deposits are hard as hell to clean off the sides in there, but do this and it will scrub the insides clean and bright. Afterwards simply dump out the rocks, rinse the inside fully, and viola!