Silvia Club of NSW

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 Post subject: help? s15
PostPosted: Wed Jun 04, 2008 9:03 pm 
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T03 Hybrid

Joined: Wed May 02, 2007 8:31 pm
Posts: 182
Location: South West
Car: s15
hey guys today i noticed a weird noise when giving my car, at first thought i thought it was jus something loose rubbing against the car, but later in the day i saw that the car wasn't boosting properly when the car made that noise, and on comming home the car was back to normal. When it had the noise the car wouldn't even go past 0 on the boost gauge. Help what could be the problem. Thanks in advance.


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PostPosted: Thu Jun 05, 2008 12:07 am 
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Twin T66
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Joined: Tue Jan 23, 2007 7:15 pm
Posts: 1288
Car: 1990 Nissan Silvia
sounds either like

a boost leak
leaking gasket, either turbo or manifold related.

my guess, leaking gasket, at wich a certian temperature the gap is noticable to.

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PostPosted: Thu Jun 05, 2008 12:10 am 
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T03 Hybrid

Joined: Wed May 02, 2007 8:31 pm
Posts: 182
Location: South West
Car: s15
so you guessing a exhaust gasket or something of the nature


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PostPosted: Thu Jun 05, 2008 12:13 am 
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T03 Hybrid

Joined: Wed May 02, 2007 8:31 pm
Posts: 182
Location: South West
Car: s15
also another thing it happened in the arvo, but whilst driving home at night it was fine, boosting fine.


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PostPosted: Sat Jun 07, 2008 5:40 am 
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T28 Hybrid

Joined: Wed Mar 19, 2008 7:57 pm
Posts: 77
Car: 200sx 2001
check out the rubber joints on your intercooler piping, you may have blown a clamp lose...hmm but this doesnt realy explain y it boost normaly again later on, could be that your wastegate is sticking open sometimes.


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