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Auris hybrid engine bay rattle- fixed


TonyHSD
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Hi , 

been looking into a rattling noise coming from the air intake and finally got a time to fix it. 
The rattling noise was present only at certain rpm and conditions, mainly when driving slowly with empty Battery and engine is loaded to recharge the hybrid Battery and to propel the car. The issue here was that the air intake connector two plastic peace’s of duct had foam insulation perished and no longer dampen the vibrations as it’s not a tight fit. Got this thing removed with a screwdriver , then cleaned with a solvent and new draught seal installed. No more rattling and fitted tight. This parts foam has very good sticky side but the foam itself is not ideal imo, so you can buy something of higher quality. This part does get hot but not so extremely to catch fire but will keep an eye on just in case. Perhaps the oem one was fire retardant or something but for an diy fix this should be ok. 
 To check your air into for rattling noise just shake it and see if it is  rattling indeed. Car is quiet as mild wind blow😉👌

 

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Nice job, good find.

OCD Alert on such a clean engine bay 😁: Those rusty wire hose clips could do with a clean with some wire wool and a light coat of oil. Be careful with the plastic wire spacers between the wire rings as they can become brittle with age.

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3 hours ago, solero said:

Nice job, good find.

OCD Alert on such a clean engine bay 😁: Those rusty wire hose clips could do with a clean with some wire wool and a light coat of oil. Be careful with the plastic wire spacers between the wire rings as they can become brittle with age.

Thanks. 
Engine bay  usually gets jet washed every year., this year haven’t been done yet as no time so far but looks clean enough. These wire clips  I think I treated like that before but then from the rain and salt water on the motorways during winter everything wash and rust away. 😊👌

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I'm old school and it's refreshing to see "proper" hose clips. Whether, as  in Tony's car, wire type or Jubilee type worm clips. For both cooling water hoses and/or air intakes.

The majority now seem to prefer the more common spring type clips because it is alleged they offer a more uniform clamping force.

A good piece of detective work from Tony.👍

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