Since I laready tested four of the vacuum elements, I will move on to the other "easy" tests: check valve under the hood and the LR door element.
On Tue, Apr 28, 2009 at 9:32 AM, andrew strasfogel <[email protected]>wrote: > I am too anally challenged to do anything that is "painfully slow". Also, I > could check the lines (I do have a tester) but I have no idea where each of > them goes after it disappears under the seat! I suspect the leak may be in > an interconnecting line. > > > On Tue, Apr 28, 2009 at 9:22 AM, Rich Thomas < > [email protected]> wrote: > >> That would not necessarily be a "major" rupture. Remember the vac pump is >> pumping while the car is running, and the reservoir is reservoiring, enough >> to keep up with various demands (like brakes) so a small leak (like a 10 >> minute leak) would not overwhelm the pump. Could be a rubber connector is >> cracked or stretched a bit, a hose is loose, a hose is cracked (that plastic >> is kinda stiff and gets brittle), pinhole in a diaphragm, whatever. About >> the only way to track down a small leak like that would be to test each part >> of a circuit in sequence, pull a vacuum with your mityvac, then watch the >> gauge to see what it does over a few minutes. Painful and slow, but there >> you go. >> >> --R >> >> andrew strasfogel wrote: >> >>> I tried three separate driver's door lock elements and there was no >>> difference. >>> The hatch lock element was replaced recently so should be OK, and it is >>> a >>> royal PIA to change. >>> >>> I tested today and the locks held less than 10 minutes. The vacuum >>> reservoir is a possibility, but what sort of major rupture in the line >>> could >>> have no effect on how the car runs or how quickly it stops? I guess it >>> can't be under the hood, right? >>> >>> On Mon, Apr 27, 2009 at 7:12 PM, Rich Thomas < >>> [email protected]> wrote: >>> >>> >>> >>>> There is an egg crate looking thing back underneath that is the >>>> reservoir, >>>> it might be goobered or the line messed up. I think there is a vac >>>> element >>>> for the tailgate but I might be wrong on that. >>>> >>>> --R >>>> >>>> andrew strasfogel wrote: >>>> >>>> >>>> >>>>> The vacuum locks on my 1983 300TD had been sorted out and working >>>>> perfectly >>>>> - holding for 7+ days at a stretch, until two weeks ago. Now, although >>>>> the >>>>> car operates as always and shuts off quickly, the locking system poops >>>>> out: >>>>> in less than an hour, the doors wont all unlock or lock. I checked the >>>>> MB service manual but the section on TD wagons shows a different >>>>> configuration of lines under the RF and LF floor covers than in my >>>>> vehicle. >>>>> I have THREE upstream lines per side, not two as shown in the photos in >>>>> the >>>>> shop manual. I have no idea which of hte three goes where. :(( >>>>> >>>>> So I did what I usually do and removed three door panels nad checked >>>>> the >>>>> vacuum elements there and in the easily accessible fuel door locking >>>>> element. The only clue i could come up with was that the fuel door >>>>> locking >>>>> element was receiving a very weak locking and unlocking signal. Yet, >>>>> the >>>>> RR >>>>> door servo was fine. They were all perfectly fine! I could take off >>>>> the >>>>> LR >>>>> door panel, but I am prettty sure that it will be OK as well. All the >>>>> lines >>>>> on this car are a total mystery to me. I need a tutor. [end of >>>>> whine/rant]. >>>>> >>>>> Andrew >>>>> 1983 300TD, 321K miles >>>>> -------------- next part -------------- >>>>> An HTML attachment was scrubbed... >>>>> URL: < >>>>> >>>>> http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090427/9462a984/attachment.html >>>>> _______________________________________ >>>>> http://www.okiebenz.com >>>>> For new and used parts go to www.okiebenz.com >>>>> To search list archives http://www.okiebenz.com/archive/ >>>>> >>>>> To Unsubscribe or change delivery options go to: >>>>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>>> >>>>> >>>>> >>>>> >>>>> >>>> _______________________________________ >>>> http://www.okiebenz.com >>>> For new and used parts go to www.okiebenz.com >>>> To search list archives http://www.okiebenz.com/archive/ >>>> >>>> To Unsubscribe or change delivery options go to: >>>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>> >>>> >>>> >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL: < >>> http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090427/9fb558c2/attachment.html> >>> >>> _______________________________________ >>> http://www.okiebenz.com >>> For new and used parts go to www.okiebenz.com >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >>> >>> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: < >> http://okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20090428/5c243865/attachment.html> >> >> >> _______________________________________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > -------------- next part -------------- An HTML attachment was scrubbed... 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