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Author Subject: death rattle from disconnected aircon pump.
jimmyhackers

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Location: birmingham

Registered: 14 Jun 2011

Posts: 1,111

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Post #1
the aircon on my gti has never worked. had a pipe missing when i got it. ive pulled the rest off and now the only bit left is the air con pump itself.

i will be getting around to removing it. just a bit lacking on funds for the tensioner kit atm.

however.....around about 3k of revs+ the pump makes a horrible "metallic death rattle noise" it honestly sounds like a loose heat sheild or similar. i can turn the pump freely when the engines off and the bearings seem fine. more liek theres a loose/well worn rattly part inside.

my question is how likely is this to cause catastriophic failure/excess damage? worst i can see is it jams and i throws a belt or burns one out. or can it get worse than this?

is this another thing to add to my "priority list"?

cheers in advance

jim

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Posted 12th Jul 2013 at 12:42
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rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline
Post #2
surprised you've not engineered a hollow aircon pump which will still keep the roller but have no purpose! LOL

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Posted 12th Jul 2013 at 12:57
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #3
Worst case = fooked timing belt.

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Posted 12th Jul 2013 at 13:03
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

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Post #4
It has a vicious clutch on the pulley, so I'm guessing the bearings have started to go in this as you won't be turning the pump itself whilst the engine is running if the air-con system has no gas in it.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 12th Jul 2013 at 15:00
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buzzbrightyear

Seasoned Pro

Location: hiding all receipts for car

Registered: 09 Jul 2008

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Post #5
why did they have to make the pump vicious, why not gentle?

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Posted 12th Jul 2013 at 16:04
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eliotrw

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Location: Southwark

Registered: 18 Jul 2010

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Post #6
lmao.

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Posted 12th Jul 2013 at 16:57
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pebbles167

Seasoned Pro

Location: Melksham. Wiltshire.

Registered: 08 Dec 2009

Posts: 2,516

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Post #7
buzzbrightyear wrote:
why did they have to make the pump vicious, why not gentle?


Laugh my ass off I was wondering the same thing

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Posted 12th Jul 2013 at 17:07
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scotzman

Seasoned Pro

Location: Dundee

Registered: 24 Jun 2011

Posts: 1,408

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Post #8
buzzbrightyear wrote:
why did they have to make the pump vicious, why not gentle?


That's why no ones A/C works, the pump blows holes in the pipework.

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'90 1.6 205 GTi, '98 306 GTi-6
Posted 12th Jul 2013 at 17:46
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #9
Sorry, 'viscous' is what I meant. Yes Whistle

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Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 12th Jul 2013 at 18:19
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aaron6

Seasoned Pro

Location: On the sofa in maidstone

Registered: 16 May 2006

Posts: 5,840

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Post #10
Mine works...

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Posted 12th Jul 2013 at 20:48
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jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,111

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Post #11
welshpug! wrote:
Worst case = fooked timing belt.


i think the non aircon pulley kit will be a good buy after my mot repairs are complete

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the world is changed by people in sheds
Posted 13th Jul 2013 at 01:37
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jimmyhackers

Seasoned Pro

Location: birmingham

Registered: 14 Jun 2011

Posts: 1,111

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Post #12
in responce to rikkey. i did have "Pipe dreams" for pushing some high pressure steam through it.

steam supercharger effect.........of sorts :S more like steam direct power drive assistance.

a heat recover system is essentially aircon in reverse. so in theory, yes. in practice, not by a long shot.

so in theory if i got it to work (add some/minimal power through fan belt) in practice i dont think id want to or be able to safely add much power through a fan belt.

so im binning that idea right now.

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the world is changed by people in sheds
Posted 13th Jul 2013 at 01:48
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline
Post #13
jimmyhackers wrote:
in responce to rikkey. i did have "Pipe dreams" for pushing some high pressure steam through it.

steam supercharger effect.........of sorts :S more like steam direct power drive assistance.

a heat recover system is essentially aircon in reverse. so in theory, yes. in practice, not by a long shot.

so in theory if i got it to work (add some/minimal power through fan belt) in practice i dont think id want to or be able to safely add much power through a fan belt.

so im binning that idea right now.


Blink

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 13th Jul 2013 at 09:11
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