Air pump
May 30, 2002 | 05:27 PM
Thread Starter
Instructor
Joined: Sep 2000
Posts: 173
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From: IRB FL
Air pump
What's an air pump?
Mechanic says my air pump is making noise and I can hear a soft whirring type sound in the engine area.
May 30, 2002 | 05:34 PM
Burning Brakes
Joined: Jan 2002
Posts: 893
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From: Liberal Kansas
Re: Air pump (tikiltd)
It s on the drivers side of the engine bay by the alternator. If I am correct it is used to pump air into the exhaust to get everything up to temp. A-lot of people get rid of the air system myself included
May 30, 2002 | 06:43 PM
Pro
Joined: Jan 2001
Posts: 681
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From: Newton (Wichita Area) Kansas
Re: Air pump (Rob90)
That is where it's at but I think it's really for making sure there's enough O2 in the exhaust to make CO2 instead of CO.
May 30, 2002 | 11:51 PM
Thread Starter
Instructor
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From: IRB FL
Re: Air pump (jmr302)
cool. more?
May 31, 2002 | 12:07 AM
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From: Outer Banks NC FIRST IN FLIGHT
Re: Air pump (tikiltd)
That noise is normal for the pump. I should last only for a few minutes untill the engine warms up.
May 31, 2002 | 12:31 AM
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From: Athens AL
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Re: Air pump (Kizmo)
might as well just get rid of it, put a pulley in or gut it
May 31, 2002 | 09:34 AM
Pro
Joined: Apr 2002
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From: Outer Banks NC FIRST IN FLIGHT
Re: Air pump (vader86)
Quote:
might as well just get rid of it, put a pulley in or gut it
It can't be replaced by a pulley, it's electrical. You can disconnect it though, it's only active at startup.
[Modified by Kizmo, 1:35 PM 5/31/2002]
May 31, 2002 | 09:54 AM
Safety Car
Joined: Feb 2002
Posts: 4,212
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From: Sun City West Az
Re: Air pump (Kizmo)
It works in open loop to divert air via the exhaust manifolds to the cats to get them up to temp. quicker. It runs for a max of 4 minutes or until the system goes into closed loop. Hopes this helps.
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May 31, 2002 | 12:54 PM
Team Owner
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From: Athens AL
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Re: Air pump (Kizmo)
Quote:
might as well just get rid of it, put a pulley in or gut it
It can't be replaced by a pulley, it's electrical. You can disconnect it though, it's only active at startup.
these air pump eliminator kits only put a small pulley in there
May 31, 2002 | 12:55 PM
Team Owner
Joined: Mar 2000
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From: Boston, MA
See air pump above alternator....
See air pump gone and replaced with eliminator...
May 31, 2002 | 02:51 PM
Team Owner
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From: CT
Re: (scorp508)
Another one for you...well worded there scorp
May 31, 2002 | 08:24 PM
Pro
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From: Outer Banks NC FIRST IN FLIGHT
Re: (scorp508)
Oop's sorry, the air pump on an LT1 is different, my mistake. :conehead