W114 Trans Vacuum Modulator - Mercedes-Benz Forum

 
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post #1 of 8 (permalink) Old 01-22-2012, 03:56 PM Thread Starter
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W114 Trans Vacuum Modulator

Couple of questions on this part.

(1) Should there be any trace of oil on the IN the banjo bolt going up to the intake?

(2) Where can I get a fair price on a replacement?

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post #2 of 8 (permalink) Old 01-22-2012, 06:05 PM
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No oil should be sucked up into the manifold. There is a break inside. The modulator diaphragm can me purchased at the dealer or through the Classic Center.

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

http://www.megamanual.com/index.html
http://www.bgsoflex.com/megasquirt.html
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post #3 of 8 (permalink) Old 01-22-2012, 06:40 PM Thread Starter
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Thank you Sir.

So I am assuming that once I unscrew the unit then ATF will spill out from the transmision.

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post #4 of 8 (permalink) Old 01-22-2012, 07:42 PM
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There will be some in there. Get the service manual for your car. MB has the CD's for these and others. I have the Ponton and Fintail CD's and there is a section on the auto trans that includes the overhaul procedures. The modulator can be unbolted and the diaphragm replaced without removing the trana from the car. Just don't change any adjustments.

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

http://www.megamanual.com/index.html
http://www.bgsoflex.com/megasquirt.html
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post #5 of 8 (permalink) Old 01-23-2012, 05:57 PM Thread Starter
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Thanks for the lead, I am picking up a new modulator as well as a CD from the Classic Center tomorrow.

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post #6 of 8 (permalink) Old 01-27-2012, 03:33 PM Thread Starter
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I'm 0 for 2.

It wasn't the modulator, no biggie but the manual won't load up on both my iMac and Windows NetBook.

Is it a crime to set fire to ones own car?

Quick "not having much luck" McSilver

PS: My Girlfriends Daughter took this pics when she went to pick up the aforementioned parts at the center.

https://picasaweb.google.com/OsiTech...eat=directlink

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post #7 of 8 (permalink) Old 01-27-2012, 06:02 PM
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Great pics.

As for the CD, all the PDF's are in there so you might create your own index.

If it's not the modulator, then what?

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

http://www.megamanual.com/index.html
http://www.bgsoflex.com/megasquirt.html
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post #8 of 8 (permalink) Old 01-27-2012, 06:57 PM
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If your CDs are anything like mine...

OPEN (not start) the PROGRAM folder,
and RUN the WEB FILE called MATRIX. (there are 2 of different 'types')

Of course, if you dont see matrix-ANYTHING, you dont have what I do,
and this wont be any help at all.

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