Sounds Like a Vacuum Cleaner - Land Rover Forums : Land Rover and Range Rover Forum
 
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post #1 of 8 (permalink) Old 01-03-2010, 06:56 PM Thread Starter
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Sounds Like a Vacuum Cleaner

I have a random noise usually at a stop, or at least I can hear it then. Coming from under the hood sounds like a vacuum cleaner running. Goes away and is very random. Any ideas? I have no dummy lights on and everything seems to be on good operational order.
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post #2 of 8 (permalink) Old 01-03-2010, 07:03 PM
..\;/...
 
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It's your secondary air for your 02censors
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post #3 of 8 (permalink) Old 01-03-2010, 07:16 PM
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+1 SAI, it will kick on when your exhaust temp is low, check all the hoses for a leak also. Should mostly kick on when you start your truck. There is a black plastic pump and a tin can looking thing (hooked up to the passenger head/exhaust manifold) that is your SAI system.

2002 DII 114,000 miles
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post #4 of 8 (permalink) Old 01-04-2010, 09:35 AM
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X3 check any connections for leaks if it is too loud.

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post #5 of 8 (permalink) Old 01-06-2010, 07:19 PM Thread Starter
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My secondary does seam loud, just put engine back together a few weeks ago. But this noise is seriously the same sound as a vacuum cleaner motor. Never heard it before in the 4 years I have had this truck it is very strange. No codes at the moment.. It will do it when the motor is hot.
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post #6 of 8 (permalink) Old 01-06-2010, 07:22 PM
..\;/...
 
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I wouldn't worry about it much I took mine off and plugged the hole
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post #7 of 8 (permalink) Old 01-06-2010, 07:28 PM
laments the death of industrial strength soup sporks \;/
 
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Quote:
Originally Posted by JAKD-UP View Post
I wouldn't worry about it much I took mine off and plugged the hole
you had sai? what year do you have, i forgot.

I am the White Rabbit
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post #8 of 8 (permalink) Old 01-06-2010, 07:32 PM
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02
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