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Old 21st December 2015, 01:52 PM
goldsax goldsax is offline
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Default Hella bellows: A004538 availability

i have called our friends at A8 parts and else where re. the bellows that aid in changing the manifold length. no joy
Audi want mega bucks for it.
i only noticed while doing an oil change that the link between the bellow and link arm had fractured and could not be joined again.
i thought i would ask members if they know where to get a reasonably priced one before i am committed to being fleeced
cheers raj
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Old 21st December 2015, 02:51 PM
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have you checked that the manifold flaps will move? the arms to the bellows sometimes break when they seize and you'd need to sort seized manifold flaps too before putting on any new arms?
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Old 21st December 2015, 02:59 PM
goldsax goldsax is offline
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thanks for the reply
ohhhhh. i had previously read about these manifolds sticking.
being lazy here( i should check for previous threads on the subject), but is there a quick method of checking?
suck on the tubing?
thanks again raj
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Old 21st December 2015, 03:03 PM
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Quote:
Originally Posted by goldsax View Post
thanks for the reply
ohhhhh. i had previously read about these manifolds sticking.
being lazy here( i should check for previous threads on the subject), but is there a quick method of checking?
suck on the tubing?
thanks again raj
if the plastic arms that the bellows have broken away from are turnable by hand then they are probably ok, but if not then they need investigating. Mine has got "sticky" at the ends and I got my mechanic to do a refurb procedure in-situ that I found HERE ON AUDIWORLD
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Audi A8 D2 3.7 Quattro Sport 1999 FL - Melange
2nd Place Winner - A8-Freunde Annual German Meet 2012 at Edersee
20" x 9" Bentley GTC Wheels with 385mm W12 Front Discs & Bentley Caliper Covers, Front Lowered on Coilovers, Xenons, Combined DRLs and LED Foglights to modified OEM front fog lamp position, Alcantara/Leather, Full Black Alcantara headlining + pillars and blind shelf, Bespoke Flat Bottomed Sports Steering Wheel, Dark Myrtle Wood, Autodim Mirrors, Bose, Blinds, Digital TV, Ski Hatch, Modified rear exhaust section for extra V8 Burble
Audi S8 D2 Final Edition 2002, Avus Silver with Red Leather Interior
Tiptronic with Sport mode button, Sony rear entertainment package, Bose sound system, Audi Navigation Plus, 20 inch Final Edition alloys, Full Cat Back Stainless Milltek exhaust, giving a great V8 burble
Audi A8L D2 4.2 Petrol with LPG - Ebony Black
Audi A8L D4 FL 4.0T Petrol twin turbo - Havana Black
Audi A2 1.6 FSi Sport - Dolphin Grey with Votex body kit and Red Leather Interior
and some other A8's A8L's and Mercs
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  #5  
Old 21st December 2015, 03:31 PM
goldsax goldsax is offline
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many thanks for the link..
after reading the tread...
looks like both side are stuck.
mrrrrrrrr.
xmas job


also still on the look out for a bellow A004 538
cheers raj
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Old 21st December 2015, 03:53 PM
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Mine have been broken and stuck for 2 years, to be honest I cannot tell any difference.
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Old 21st December 2015, 05:30 PM
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Once you get the manifold flaps unstuck, if you only need the little plastic arms, don't bother paying Audi for the extremely expensive bellow+arm set if your bellow is fine.
Just get 8mm ball tie rod/track rod ends from ebay, they should work just fine.
I got mine from RS components stainless steel, but its overkill. And even that was only £10.

http://www.ebay.co.uk/itm/GO-KART-KA...8hDkLCem_XD0Qw

Just make sure its a 8mm ball so it will fit the ball on the bellows, its not clear from the ebay description. They should have 8mm ones its a very common size.
The only fabrication you might need to do is to cut or file down the male rod end's thread down to size if its too long. Compare to one original plastic link to make sure length is the same.

Last edited by Goran; 21st December 2015 at 05:33 PM.
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  #8  
Old 21st December 2015, 09:38 PM
goldsax goldsax is offline
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checked the engine and both the arms cannot be turned. meaning that both flaps are jammed ….
odd that i only accidentally noticed that the arm was detached form the bellows as i have never felt the car underpowered.
my trip to work involves about 20 miles of very twisty country lanes and overtaking/kickdown power has always been very ample. so as Manny has mentioned do i fix it? possibly yes after viewing the repair link.
goran, unfortunately its the male clip part from the bellows that has broke.
cheers raj
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  #9  
Old 22nd December 2015, 02:51 PM
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Then you should be in for a little treat when its fixed. Yours is a S8 (I believe) so the difference should be noticeable.
Of course S8 has a lot of power anyway, but every extra helps

Damn I didn't realise the ball at the bellows end can break, I though that part was steel?
Is there no room to drill a hole and attach a new 8mm ball?

Like this but cheaper.

http://www.ebay.co.uk/itm/Maverick-B...AAAOSwDNdViv0P

unless the whole metal section broke off from the bellow?


Last edited by Goran; 22nd December 2015 at 03:00 PM.
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