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What are these ?

Old 02 August 2016, 12:51 AM
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gary77
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Default What are these ?

They are on the rear diff support cross member .




Any ideas
Old 02 August 2016, 01:04 AM
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Just found it on opposed forces. Dynamic damper . Need to find out what it does . Although judging by the state of them they probably do nothing
Old 02 August 2016, 08:09 AM
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Don Clark
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Originally Posted by gary77
Just found it on opposed forces. Dynamic damper . Need to find out what it does . Although judging by the state of them they probably do nothing
Service Bulletin #03-55-05
A countermeasure has been made to address noise coming from the rear differential area. The noise may make a high frequency "Hoo" (Harmonic) noise and is most noticeable with little to no throttle application (coasting or deceleration). The peak of the noise occurs at 63 mph (100 km/h). The noise may occur in any gear or engine speed; however it is most noticeable in 4th gear or 5th gear. Dynamic dampers were added to the rear differential member to eliminate the noise.
Some info here

http://www.bescaredracing.com/sti/ts...area_noise.pdf


http://www.toronto-subaru-club.com/f...-bulletin.html

Last edited by Don Clark; 02 August 2016 at 08:14 AM.
Old 02 August 2016, 08:13 AM
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gary77
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Thanks for that .
sounds like its worth replacing if there not rediculously expensive
Old 02 August 2016, 07:10 PM
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I cant find it for sale online anywhere . Main dealer only part maybe . Part number is 41322AC050 if anyone else is looking
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