Oh, yeah, I’m not messing with the drain valve again, that’s for sure. Lower hose in the future.
-D > On May 21, 2019, at 10:41 PM, Curley McLain via Mercedes > <mercedes@okiebenz.com> wrote: > > Drain? Don't need no Steeeenking drain! Be a man! Pull off the lower > hose at the radiator. Drain is OK on the 111, but on 123+ where it is a > little plastic thing, Pull the hose! > > Dan Penoff via Mercedes wrote on 5/21/19 9:32 PM: >> Don’t know what it is about this vehicle… it seems to want to test me every >> time I touch it, and while everything seems to end well for the most part, >> it’s really frustrating. >> >> Got my Cardone caliper this afternoon, so I figured I would cool off the >> garage and put it on along with the new coolant reservoir. >> >> Go to drain the cooling system and can’t find the darned drain on the >> radiator. Weird. Get on the computer to find that there is a plastic petcock >> on the front left side of the radiator. OK, I can do that. >> >> Not. >> >> I find the petcock, but I can’t turn it. It’s a plastic tab that you turn to >> unscrew the valve out to open it, and it’s in a really tight space in the >> front behind the bumper. I finally get a crescent wrench on it and carefully >> turn, fully expecting it to snap off. It doesn’t. Relief! But there’s barely >> a trickle of coolant coming out of the drain. I turn some more, and more >> coolant comes out, but it’s hardly anything of significance. And yes, I had >> taken the cap off of the reservoir prior to opening the drain. >> >> I turn it a few more times alternating between a monkey wrench and a >> crescent wrench to turn it. Coolant is coming out now, but not a big gush. >> Hmm. >> >> So I work on replacing the coolant reservoir. Not bad, a few hoses were >> reluctant to come off, but I got them off without damage eventually. >> Installed the new reservoir, not a big deal. >> >> I move to the right rear to do the caliper. I break the hose fitting first, >> and it comes loose without issue (thank you, Kroil!!!) Get the caliper bolts >> out no problem. Disconnect the wear indicator connector. Remove the caliper >> and unscrew it from the hose. Screw the hose into the new caliper and mount >> the caliper back on the backing plate. Tighten hose. It’s got a bit of >> tension on it, so I soaked the hard line fitting where it meets the hose in >> anticipation for breaking this union and rotating the hose to relieve some >> of the tension on it. >> >> Nope, not going to tempt Fate tonight. >> >> Get the rear caliper all tightened down and hook up my power bleeder. I >> really wanted to bleed the whole brake system, as the fluid looked terrible, >> but I had barely half a liter on the shelf so I didn’t want to run out. >> Something for the next parts run. Bled out the caliper and put everything >> back in place. Back to the cooling system. >> >> So now it’s time to close the valve on the radiator and fill the system up >> with some water for now. I’ll run it with straight water in it for a few >> miles, then drain and flush it before filling with MB coolant. >> >> So I start turning the valve with my two wrenches, alternating them to get >> on the valve tab. I turn a lot. I turn more. I’m thinking that there is no >> way I unscrewed this valve that far. So I get into the area around the valve >> with a light and a mirror, and notice the valve is sticking out of the >> radiator quite a ways. It appeared that I was turning the valve but it was >> not engaging whatever means it used to move back into the radiator housing. >> Perhaps I unscrewed it too far? >> >> So I go at it again with my wrenches, applying pressure on the valve as I >> turn. After a few turns it appears to be moving into the housing. I finally >> get it to a point where it seems tight, and put some water in the coolant >> reservoir. Then I hear dripping…. >> >> Apparently the valve isn’t sealing or all the way closed. But I tightened it >> down as far as I dared since it was a plastic valve. I get on it with my >> crescent wrench and turn it again as hard as I dare without braking it. The >> dripping stops. I had moved it maybe 10-15 degrees, if that. But it seemed >> to be sealed. >> >> Whew! >> >> > > > _______________________________________ > http://www.okiebenz.com <http://www.okiebenz.com/> > > To search list archives http://www.okiebenz.com/archive/ > <http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > <http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
