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trailx
X-TRAIL HOLIC
Date Registered: 10-2005
Location: way west of Mareeba FNQ
TOTAL POSTS: 1233
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Re: High pitched whistle - ? vacuum leak, manifold ?
I haven't spoken to them since lunch time, I figure they've probably been tearing their hair out all afternoon. Will see what tomorrow brings, and keep you up to date.
Interesting sound isn't it!
Last edited by trailx, 4/Jan/2010, 5:36 pm
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Julie X-231(c)
2005 ST Manual Platinum
Yokohama GO12, towbar, roof rack, luggage pod, bonnet protector, weathershields L&R, floormats
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4/Jan/2010, 5:26 pm
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cooch t31
X-TRAIL HOLIC
Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re: High pitched whistle - ? vacuum leak, manifold ?
Very interesting sound Julie.
Sounds more like a warning buzzer of some sort.
--- Tony X-891c
HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1
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5/Jan/2010, 5:16 am
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trailx
X-TRAIL HOLIC
Date Registered: 10-2005
Location: way west of Mareeba FNQ
TOTAL POSTS: 1233
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Re: High pitched whistle - ? vacuum leak, manifold ?
Picked the car up this morning. They had been completely unable to reproduce the sound at all, and said they had never ever heard a sound like it before.
The only thing they did find was a couple of the bolts at the manifold were able to be tightened up a quarter turn and a half turn.
The more I think about Tony's suggestion of a warning buzzer the more I wonder about it. Initially I'd thought it must have been the new serpentine belt loose, and reported it to NRMA as one of the belts. But when the tech was there, I remember I kept thinking it was more of an electronic kind of noise. I hate most electronic sounds, so of course I always pick up on them.
.... A bit later - I have just listened to the vid again a few times, and can see it could have been something to do with the bolts not being quite tight enough at the gasket.
Oh well, who knows what it could have been.
Then again, I'd often noticed the sounds of cicadas when driving in close bushland areas and wondered if it was my car - then opened the windows and realised it was cicadas. Maybe one hopped into the engine at the rest area near Grafton..... 
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Julie X-231(c)
2005 ST Manual Platinum
Yokohama GO12, towbar, roof rack, luggage pod, bonnet protector, weathershields L&R, floormats
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5/Jan/2010, 12:10 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: High pitched whistle - ? vacuum leak, manifold ?
Hi Julie,
Did they open the lower manifold and inspect it properly?
I doubt it's an electronic noise. The ECU would have registered a fault if that was the case.
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5/Jan/2010, 12:14 pm
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trailx
X-TRAIL HOLIC
Date Registered: 10-2005
Location: way west of Mareeba FNQ
TOTAL POSTS: 1233
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Re: High pitched whistle - ? vacuum leak, manifold ?
No, as far as I understand, they didn't open anything, and they just tightened the bolts. Unfortunately I'm not much good at remembering mechanical information.
The irony of this exercise is, although I knew that my exy was just out of the model range that were finding loose butterfly screws there was always that niggle in the back of my thoughts, and I now have another niggle to replace it. Without pulling pulling it apart and reassembling it again I will always be wondering. I brought the exy down to Armidale to have the work done because they knew immediately what I wanted without having to try and explain it (as happened with other dealers), and had already done three other exies. Guess I will never know, and just hope that everything is okay. Of course, the noise could have been something completely unrelated to the work I'd had done.
Last edited by trailx, 5/Jan/2010, 2:50 pm
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Julie X-231(c)
2005 ST Manual Platinum
Yokohama GO12, towbar, roof rack, luggage pod, bonnet protector, weathershields L&R, floormats
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5/Jan/2010, 12:47 pm
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cooch t31
X-TRAIL HOLIC
Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re: High pitched whistle - ? vacuum leak, manifold ?
Maybe it was a cicada trying to get out of your engine bay Julie.
--- Tony X-891c
HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1
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5/Jan/2010, 4:47 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: High pitched whistle - ? vacuum leak, manifold ?
God knows what else that horse was chewing on LOL 
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5/Jan/2010, 6:20 pm
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