weird question
is there a correct way to install a dashpot.
i blew through it one way and air wouldn't go through.
flipped it over and blew in it... way air went through.
this is the dashpot in the engine compartment ..drivers side
confused in pittsburgh

um... vacuum pod?

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

ooops i think i mean dampener
green thingy hooks in between vacuum lines

I think we need a better description or a picture; and, what Vehicle you are speaking of. Sounds more like some sort of Check Valve.

On My Year and model the only Check Valves are in the Main Vacuum line going between the Brake Booster and the Vacuum Pump and down by the Fire Wall where the Locking System Vacuum Lines connect.
There is another Check Valve but it is screwed into the Vacuum Pump Housing.

The later model had a more extensive Vacuum System with a Vacuum Amplifier and other Vacuum Components I don't know about as I had not paid attention to the diagrams I had seen.

Dashpots on Gasoline Engines where there as a means of momentarily delaying the return of the Throttle. Anyway that is what I remember about them.

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84 300D, 82 Volvo 244Gl Diesel

deisel911 thats the one im referring to.
i have an 82 300d

Diesel911 mentioned several choices... and you just said... "thats the one" ... so, still not helpful in determining what you need to know.
basically, nearly everything under the hood of a 82 300D is going to be vacuum... no pressure.
the "green things" in the vacuum lines, are restrictions to limit vacuum flow for certain vacuum consumers...

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

its the "down by the Fire Wall where the Locking System Vacuum "
:0
sorry it was late my brain was dead. its green in color, round with a port on each end.
i noticed if you blow through it on one side air goes through. if its flipped around you cannot blow through it. what is the correct way to install it inline. . should it be installed so the side you can blow air through is right side up..or does that end go toward the block.

I don't have a 300D but I would assume the part that you cannot blow through is connected to the interior lock system and the part that you can blow through connects to the vacuum source.

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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video - http://tinyurl.com/ptd2tge

The vacuum dashpot in the vacuum line going to the transmission is designed to dampen the vacuum input to the modulator.

Remember the vacuum goes to the front always because that's where the vacuum pump is. The line from the transmission goes up and to the dashpot, and to the VCV (vacuum control valve). From there you already know the answer - if you blow through the orifice facing the transmission line, it should not have resistance. Or vice versa, if you blow through the orifice facing the white VCV component, it should have resistance.

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http://farm8.staticflickr.com/7271/7...144c3fc1dc.jpg

thanx beige