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Vacuum modulator leaking
Hello folks,
I have a problem with ATF leaking by my vacuum modulator, ALL OVER THE FLOOR  . It all started with a MAF, problem and you folks sent me to the guy to fix that. THANKS. My damn vacuum lines were original and hence bad replaced them. My tyranny wasn't shifting correctly. I pulled the vacuum modulator and reran the main vacuum back to the modulator. Good vacuum know. The modulator works fine as per my mini vac. I assume the plastic rod floats and is not supposed to be glued the diaphragm on the modulator. I have had this bastard in and out 3 times and she leaks like a beach. I have replaced the o ring twice. Maybe I'm not putting the o ring on correctly. I pull it up to the neck on the modulator and reseat the modulator. Every time I pull the modulator looking for the leak, the O ring has come off of the modulator. This damn o ring has to be the source of my leak. What is going on here. I know I'm a dumb **** but that does not fix my problem. HELP!!!!!
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08-14-2017, 01:14 PM
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Join Date: Mar 2010
Location: Texas
Posts: 2,135
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Make sure you have the correct O ring and that it hasn't been damaged. I needed to replace a modulator without getting a new O ring and using the old O ring. It leaked. I found a near match for the O ring in my supply, installed it and it leaked.
I ordered the correct O ring, installed it and it did not leak. I'm a slow learner, I guess.
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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08-15-2017, 07:22 AM
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I have an assortment of O rings, I replaced it twice. I think it looks ok, but what the hell do I know. I have it off again, forth attempt. If you are a slow learner, I must be autistic, retarded and brain damaged. I tried ordering a new modulator, Pelican, Parts Geeks, Amazon. You can not get one. Gaurdin Porsche ordered me one from the part # on the modulator out of Germany. I never did figure out what they sent me, but it damn sure wasn't a modulator. Sent it back. Thanks for your input, I was thinking maybe I had reversed it when I put it back in, but it is not possible. Any idea where to order the O ring.
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08-15-2017, 11:43 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,135
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Roger can get you the O ring and the modulator
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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08-16-2017, 10:33 AM
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Roger? where thou Roger? The Porsche guys out of Vegas are ordering the o ring out of Germany. They are getting me the two hex bolts as well, I have had this in out so many times, the heads are beginning to wallow out. Forgive me folks, I don't know all the Gurus yet. Thanks for your advise.
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08-22-2017, 06:41 AM
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Location: Texas
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Roger=Roger at 928 Rus
__________________
John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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08-22-2017, 07:09 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,135
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P930man,
Do you know about the yearly 928 GTG in Marble Falls the first weekend in November? I will be expecting you there. 
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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08-22-2017, 07:22 AM
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I will try to make it my friend.
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08-22-2017, 02:36 PM
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Roger=Roger at 928 Rus This is too creptic for this Texan. Is this a member, can I PM him or what????
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08-22-2017, 02:40 PM
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Registered
Join Date: Mar 2010
Location: Texas
Posts: 2,135
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Roger is Roger Tyson, the owner of 928sRus located in Double Oak, Texas. You can email him or Google him and call him. He is a wealth of knowledge and a heckuva nice guy. I gave you his email. Substitute in the @ for "at".
I try not to steer business away from this site since it IS technically a competitor for Pelican and they actually do own and fund this site, but I don't think they will mind that you get the correct O ring.
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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08-23-2017, 07:31 AM
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