Good stuff Jim, that's a gold star keeper. Harry
On Thu, Feb 28, 2008 at 9:21 AM, <[EMAIL PROTECTED]> wrote: > > Brian, > > > > the whole open area in the transmission will physically only hold about 2 > 1/2 quarts.? since your leak is probably at the torque converter seal, air > is getting in where the oil is leaking out.? This lets the torque converter > drain down into the trans case, which it normally doesn't accomplish for > some time.? The torque converter holds about 2 1/2 quarts so about half of > that could find it's way back to the trans case fairly quickly! > > Given the above scenario is true, you could actually be aggravating > (feeding) the leak by filling the trans to the full mark, which doesn't > leave enough space??for the oil to drain down.? The level in the trans case > would?get high enough that it leaks out the tq seal, even with the engine > off!? Is that the case?? Does the oil continue to drip, long after the > engine is shut off? > > I am sorry to answer your question with more questions, but here is one > more.? Have you checked the vacuum line to the transmission modulator for > signs of oil?? a cracked modulator diaphragm can let trans fluid get sucked > into the engine, agravating your fluid loss. > > Marshall (RIP) has many times said to never fill in the oil to more than > halfway between the add and the full lines.? He was mainly talking about > engine oil, but I have seen automatic transmissions, filled to the correct > hot level, blow oil out the vent on a hard run up a long hill, or more > likely, due to aeration of the fluid, caused by something as simple as a > loose filter.? We are, after all, dealing? with a well used transmission, > and quirky things can happen. > > I would start by never adding more than 1/2 quart when the dipstick gets > down to the add mark.? Lucas makes an additive for automatics which may > swell that leaking seal.?? Try to observe the drip rate with fluid at > different levels, with the engine off. > > Finally, never park with the front of the car down hill! > > Jim in Phoenx > > > -----Original Message----- > From: Zoltan Finks <[EMAIL PROTECTED]> > To: Mercedes Discussion List <mercedes@okiebenz.com> > Sent: Thu, 28 Feb 2008 5:46 am > Subject: [MBZ] ATF Level Question > > > > > Just checked the ATF earlier this evening on the 87 190D and found once > again that the stick is dry. I assure you this pains me. But I'm learning > just how often I have to add fluid to the leaky tranny. Heaven forefend > the > wife would ever check it. > And I pulled the dipstick again a few minutes ago with engine off and > cooled > down. I found that the fluid level is just a bit above the full line. This > all makes sense, but it reminded me of when I was dealing with the seller > out in California. He, a plastic surgeon (so not a totally stupid man) was > so sure that the trans fluid should be checked with the engine off. And > when > I showed him that the dipstick was dry with engine running, he said "yes, > that's how it should be. When you shut it off and check it, the level is > right." I proceeded to show him in the manual where it states that the > trans > fluid should be checked with engine running and trans in "park". > > Question is: If the fluid level is just above the full line (the highest > of > the two marks on the dipstick) with the engine off and cool, how low is > the > transmission on fluid? > > The reason I ask this is that it is very difficult to achieve a clear > reading on that dipstick. One side will have something approaching a clear > reading, and the other side will have fluid running half way up the stick. > I > suppose checking the dipstick after adding fluid contributes to this > problem, but even when I don't do that, it's still really hard to get a > clear reading. > > Thanks, > Brian > 87 190D > 83 240D > _______________________________________ > http://www.okiebenz.com > 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://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ > http://www.okiebenz.com > 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://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com 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://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
