I'd take it to a machine shop and get the head checked, valve guides checked and replaced if worn, new valve seals, etc. while you have it off.
On 1/19/06, Kevin <[EMAIL PROTECTED]> wrote: > On Thu, Jan 19, 2006 at 07:59:58PM -0500, frederick w moir wrote: > > Hi, All. > > I'm planning on doing the head gasket (to music wearing funny blue > > clothes) on my '87 190DT this weekend and I've a few question to ask about > > what i may find:- > > 1. Turbo oil supply, is it just remove and replace? 'o' rings? No suitable > > o-rings in gasket set or midget gaskets either. > > 2. Assuming that the head has not been grossly overheated, may the head be > > just cleaned, checked for cracks and flatness and re-installed? > > 3. Anyone with pearls of wisdom please respond. (I know I'm asking for it.) > > Assuming a 602 is like a 603, whatever seal was on the turbo oil supply I > was able to reuse. The head on a 602 is more durable, so the likelihood of > fatal cracks is pretty low. There might be some cracks, but the head will > probably still pass a pressure test. Examine the head gasket upon removal, > and see if it was a gasket failure that caused the problem. > > Also assuming a 602 is like a 603, you'll need a pin puller to pull the > pins that hold the timing chain rail to the head. I made one with a M6-1.0 > bolt about two inches long, a handful of flat washers (four to six, I think), > a 3/4" long nipple (from the plumbing section), and a nut that threaded onto > the bolt. This was obviously cheaper than buying the correct tool. > > Speaking of tools, you're going to need an XZN (triple square) driver to get > the head bolts off. If you reuse the head bolts, you'll need a dial gauge/ > verneer calipers to measure the maximum allowable stretch. > > Again assuming the 602 is like a 603, the head will come off with the header > and turbo attached. While the head is aluminum, it isn't exactly light with > the exhaust manifold and turbo attached. > > Above all, do NOT do this without the procedure for removing the cam. The > cam is hollow, and will snap if you remove the bolts holding the cam down > in the wrong order. > > If Brian Toscano is still lurking around, he did this about a year and a > half ago on a friend's 190Dt. > > Good luck. > > K > > _______________________________________ > http://www.striplin.net > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://striplin.net/mailman/listinfo/mercedes_striplin.net > -- OK Don, KD5NRO Norman, OK '90 300D 243K, Rattled '87 300SDL 290K, Limo Lite, or blue car '81 240D 173K, Gramps, or yellow car '78 450SLC 67K, brown car '97 Ply Grand Voyager 78K Van Go
