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Driving member
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Vacuum advance unit?
Okay after thinking I had my problem solved a few months ago it has popped up again.
Searching through the catalog I found this heading: Is your Porsche not running the way it should? Does it bog down when you attempt to leave the stoplight? Your Vacuum unit may have given up. Fix it yourself with one of our Genuine Factory Parts. After an extensive search I found that the vacuum advance unit sounds like it could be the culprit. However the part shown in the catalog lists for a 911 turbo Not to mention I cannot find this part on or near my distributor. Is this a part used on the carrera or not? The symtoms are exactly as described. I just need some help locating the part on my engine.
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Jerry '86 coupe gone but not forgotten Unlike women, a race car is an inanimate object. Therefore it must, eventually, respond to reason. |
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Moderator
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No n/a '84 -89 3.2 Carrera uses any sort of vacuum for distributor advance.
All of that is taken care of by the DME maps, i.e. it's done electronically
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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Driving member
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Hmm, well for some reason mine isn't being taken care of.
It doesn't happen every time but when I try to pull away from a dead stop it almost stalls and you can hear a distinct sucking sound like the vacuum system is sucking air. I have went over the engine top to bottom and cannot find a vacuum leak any place. I am getting almost frustrated enough to take it to a shop but I am sure I can fix it if led in the right direction.
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Jerry '86 coupe gone but not forgotten Unlike women, a race car is an inanimate object. Therefore it must, eventually, respond to reason. |
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Moderator
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There are several potential sources for vac. leaks
Here are some of the likely suspects ![]() In addition all the manifold and other intake tract seals are suspect
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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Driving member
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Thanks Bill, that really narrows it down
![]() Well I am hoping someone has had the same problem and can at least narrow it down. I have tried all the spraying carb cleaner etc to find it but to no avail. I just do not want to start replacing parts just to narrow it down. I hate that.
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Jerry '86 coupe gone but not forgotten Unlike women, a race car is an inanimate object. Therefore it must, eventually, respond to reason. |
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Driving member
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Anyone, Bueller
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Jerry '86 coupe gone but not forgotten Unlike women, a race car is an inanimate object. Therefore it must, eventually, respond to reason. |
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