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ted von Kampen
Joined: 14 Oct 2016 Posts: 183 Location: Scottsbluff, Nebraska
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Posted: Sun Oct 20, 2019 5:36 am Post subject: Engine vibration damper system |
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I have a 1981 Porsche 924. While I have a few rattles, etc to figure out, I noticed on the parts listing that there is a vibration damper system shown. It has a bracket that goes to the engine and a small shock absorber type system that attaches to the frame or somewhere.
My question
Did all years use that system and if so where is it located on a 1981 NA 2 liter?
Thanks,
Ted |
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porsche_reg
Joined: 19 Jun 2016 Posts: 62 Location: Boise, Idaho
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Posted: Thu Oct 24, 2019 1:10 am Post subject: |
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ted - I don't know a direct answer for you, however I can tell you my '79 na had it. I had stiffer mounts installed and didn't reinstall the vibration system. I don't recall exactly why not, but I know the bushings weren't easy to find or generally available, so that played a part. It's not my daily driver, so I don't mind the rough feel w/o it and the stiffer mounts.
Have you checked the link below to locate the location of the mount?
http://www.autoatlanta.com/porsche-parts/924.php _________________ Prev: '81 BMW 320i
'05 997.1 C2
Current: '79 924 n/a (family owned since new)
'12 Subaru Outback |
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ted von Kampen
Joined: 14 Oct 2016 Posts: 183 Location: Scottsbluff, Nebraska
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Posted: Thu Oct 24, 2019 2:07 am Post subject: engine vibration damper |
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Thanks for the reply. I looked at that picture on the link. That is what I had to look at before. My problem is I cannot find it. Where exactly is it mounted?
Car is put away right now but I need to take it out again so can look more.
Thanks,
TEd |
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porsche_reg
Joined: 19 Jun 2016 Posts: 62 Location: Boise, Idaho
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Posted: Thu Oct 24, 2019 10:29 pm Post subject: |
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oh, I see. The diagram is somewhat limited on where exactly it's mounted. My car is in a condo parking garage, don't go down there much... but next time I do I'll see if I can get a pic of where mine would have been mounted. I think I can visually observe it. Should have some time this weekend to get this done. _________________ Prev: '81 BMW 320i
'05 997.1 C2
Current: '79 924 n/a (family owned since new)
'12 Subaru Outback |
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davidschmalz
Joined: 26 Jan 2019 Posts: 13 Location: Los Angeles
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Posted: Fri Oct 25, 2019 12:35 am Post subject: |
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The vibration damper is located somewhat between the oil filter and alternator apparently only on 2.0L NA cars. Check out this photo and description from 924.org:
"The vibration damper below (13 through 17) is only on 924 and not the 931. So there is a very good possibility that you can get by without! Specially if you can't get it for less than the roughly $250 list!!!"
My car has one, but it is missing some bushings and appears to be useless. I did install the Vibra Technics Street motor mounts a year ago and am quite happy with the results. The car is still a shaky, rattling beast, but at least it no longer feels like the engine is going to oscillate right out of the chassis! _________________ 1979 Porsche 924 NA Petrol Blue
1982 Vanagon GL Air Cooled Monaco Blue over Kurilian Blue |
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porsche_reg
Joined: 19 Jun 2016 Posts: 62 Location: Boise, Idaho
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Posted: Sun Oct 27, 2019 7:30 am Post subject: |
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yeah, there it is, nice job. I also went with the Vibra-Technics street mounts and am happy with results. Again, did not add the vibration damper back in. _________________ Prev: '81 BMW 320i
'05 997.1 C2
Current: '79 924 n/a (family owned since new)
'12 Subaru Outback |
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gerben1986
Joined: 13 Mar 2008 Posts: 232 Location: The Netherlands
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Posted: Tue Oct 29, 2019 7:44 am Post subject: |
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I have never seen this damper on a 924. So I think it wasn't on the 1980+ models. _________________ 911SC - 1980 |
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stan_5150
Joined: 01 Sep 2006 Posts: 31 Location: Minnesota
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Posted: Tue Sep 12, 2023 11:00 pm Post subject: |
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Trying to get my crossmember off....how do you access the dampner for removal? Thanks in advance. _________________ 1978 924 N/A |
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Mclaren924
Joined: 13 Oct 2021 Posts: 171 Location: California
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Posted: Wed Sep 13, 2023 3:28 pm Post subject: |
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it's a little bolt on the bottom of cross member inside that concave portion, that or unbolt the bracket from behind the alternator. If I remember, its a pain to get that lower nut off if it's seized on as it will just spin with the shaft on other side. Getting behind to that bracket is a EEFing B word to get at though. _________________ 1980 931 "Salt" Bucket wannabe racer (not started)
1979 924 "Pepper" Restoration (almost done)
1980 924 "Donnie" (Parts car)-DEAD
1977 924 Slicktop "Pennie" Bucket turned Silver Spoon |
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stan_5150
Joined: 01 Sep 2006 Posts: 31 Location: Minnesota
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Posted: Fri Sep 15, 2023 5:03 am Post subject: |
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Mclaren924 wrote: | it's a little bolt on the bottom of cross member inside that concave portion, that or unbolt the bracket from behind the alternator. If I remember, its a pain to get that lower nut off if it's seized on as it will just spin with the shaft on other side. Getting behind to that bracket is a EEFing B word to get at though. |
Yes - that's the issue that I'm trying to work thru. Looks like its behind the oil filter which I need to remove anyway so wondering it that provides better access. Any other help is welcome. Thanks! _________________ 1978 924 N/A |
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Mclaren924
Joined: 13 Oct 2021 Posts: 171 Location: California
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Posted: Fri Sep 15, 2023 8:27 am Post subject: |
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yup, pull the oil filter. If still hard to get at pull the alternator too. Good luck _________________ 1980 931 "Salt" Bucket wannabe racer (not started)
1979 924 "Pepper" Restoration (almost done)
1980 924 "Donnie" (Parts car)-DEAD
1977 924 Slicktop "Pennie" Bucket turned Silver Spoon |
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