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  #16  
Old 08-07-2015, 06:53 AM
jay_bob's Avatar
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Join Date: Oct 2011
Location: Columbia, SC
Posts: 3,887
That version 240D does have one tie into the vacuum system on the climate control.

Green hose leaves the engine bay and goes to a vacuum solenoid under the dash. When the A/C temperature wheel is rolled to MAX an electrical contact closes and switches on the solenoid. This moves a vacuum pod that closes the recirculating door.

Perhaps when you switched on the AC it really did precipitate the problem.

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The OM 642/722.9 powered family
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)
2008 ML320 CDI (Older son’s DD)
2008 E320 Bluetec (Younger son's DD)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech
----------
gone but living on
1983 240D (body to greazzer, engine to t walgamuth)
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  #17  
Old 08-07-2015, 10:11 AM
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Join Date: Sep 2001
Location: central Texas
Posts: 17,281
Quote:
Originally Posted by subman60 View Post
Yes I feel lucky. I'm still going to change the fluid. ..... Is there a prefered fluid to use in these old transmissions?
No telling how seldom it was changed out over the life of the car... and given there almost no way to cost effectively get them repaired... not going to hurt to change the fluid and filter out now...

Yes, there are preferred fluids...
in the Archives using the search function will give you all sides of the suggestions...
I do not know because my car is manual trans... and I use Redline due to JimSmith's and other's suggestions for syncho gear protection.. or at least lack of corrosion which some manual trans fluids may cause.
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  #18  
Old 08-08-2015, 02:28 AM
Zacharias's Avatar
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Join Date: Apr 2010
Location: West Quebec
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Quote:
Originally Posted by subman60 View Post
Is there a prefered fluid to use in these old transmissions?
At least where I live (Canada), the main choices are Mobil (conventional), or Valvoline MaxLife or Mobil 1 (both synthetics, with the Mobil 1 being the most pricey).

The MaxLife is available at Walmart and priced reasonably for a synthetic product.

I would avoid off-brand stuff (the Walmart house brand, for example).
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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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  #19  
Old 08-09-2015, 01:12 PM
Zacharias's Avatar
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Join Date: Apr 2010
Location: West Quebec
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Just a few notes, as by chance I had my ATF changed yesterday. Was at my wrench for motor mounts so figured why not throw that in.

There is no drain plug on these older transmissions. You drain by unbolting the pan so wear gloves unless you like the stink of used ATF on your skin (it makes me retch, literally).

A second pair of hands, or something else to brace the pan in place as you are undoing the bolts, is a big bonus. Make sure you have the drain pan in place (not that easy when you are working right over the splash area).

Anyway, there was a significant improvement on my shifting afterward.
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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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  #20  
Old 08-09-2015, 01:45 PM
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Join Date: Sep 2001
Location: central Texas
Posts: 17,281
The stink of used ATF can't be any worse than the stink of used 90 wt hypoid gear lube from the rear end... just terrible.... and if you get it on any clothing it will be there forever... no matter what.... even the commercial red rag cleaning tricks... hot TSP and Tide will not remove that stain..... avoid at all costs....

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