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Hilux mk5 trubbles

 
 
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boydownie
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Joined: 17 Feb 2013
Odometer: 32




PostPosted: Fri Nov 22, 2013 9:51 pm    Post subject: Hilux mk5 trubbles Reply with quote

has anyone ever come across a hilux that screems at you for using the turbo
and feels like it could giv so much more (holding back)
had a look at turbo itself and no play in bering and it spins freely
wast gate is free
But there is a unit on exhaust between turbo and the cat (tis is where the noise is coming from does any one no what this valve is or have any idear what my problem is

Please help pulling my hair out well what little is left !!!
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ali-lee
Just got MTs


Joined: 16 Feb 2010
Odometer: 147
Location: carnwath


1990 Toyota Hilux

PostPosted: Sat Dec 07, 2013 3:53 pm    Post subject: Reply with quote

it might be that unit on the exhaust. its a butterfly valve related to high idle button and EGR system i think, and it has a ring of small holes round the plate (must be to regulate the flow) but if this was stuck round and the turbo spooled up it would indeed whistle like a proverbial banchee
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boydownie
Gate Opener


Joined: 17 Feb 2013
Odometer: 32




PostPosted: Sat Dec 07, 2013 3:58 pm    Post subject: proverbial banchee Reply with quote

proverbial banchee sounds like a very good description !!!

is any way of testing this I.E removing vacuum pipes ect ???
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ali-lee
Just got MTs


Joined: 16 Feb 2010
Odometer: 147
Location: carnwath


1990 Toyota Hilux

PostPosted: Sat Dec 07, 2013 4:28 pm    Post subject: Reply with quote

from cold if you pop the bonnet, start her up, press the high idle button and keep watching the valve on the exhaust the wee arm coming from the diaphragm actuator should move out to close the valve then with the idle button off it should return. if i mind right mine took about 20-30 secs to move out after pressing the button, before i removed the thing that is
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boydownie
Gate Opener


Joined: 17 Feb 2013
Odometer: 32




PostPosted: Sat Dec 07, 2013 4:35 pm    Post subject: proverbial banchee Reply with quote

Removal was this the problem you had ??? or why did you remove it and did you get better performance???
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ali-lee
Just got MTs


Joined: 16 Feb 2010
Odometer: 147
Location: carnwath


1990 Toyota Hilux

PostPosted: Sat Dec 07, 2013 5:38 pm    Post subject: Reply with quote

i took mine out because its a restrictive thing, along with the cat. made a fair difference
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boydownie
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Joined: 17 Feb 2013
Odometer: 32




PostPosted: Sat Dec 14, 2013 5:32 pm    Post subject: banchi! Reply with quote

been thinking of tacking cat and valve thing out and suddenly thought about MOT!!! how does it get on with n cat ???
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