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Old 07-25-2002, 16:47   #1 (permalink)
Soon to become: Jake_XR6
 
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Question Wooshing noise from inside AU dash

I have recently had my AU XR6 in at Courney & Patterson Ford to weld some cracks in the scuttle panel which were causing water to leak onto my feet during rain.

Since I got the car back there has been a wooshing noise from the dash associated with pressing the accelerator. It increases directly in reltion to the accelerator being pressed, and sounds simmilar to the heatr/fan being switched on.

The noise is usually not very loud, however at times it sounds like a leaf, or something starts rattling around in there - which is quite annoying. This can sometimes be heard even at idle.

Courtney & Patterson say that they can't hear anything, and it's probably just engine noise - which is bull sh!t.

Any help on the cause of the noise would be greatly ppreciated.

//Jake.
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Wheels: 17" Series 1 XR
Exhaust: VCT with no resonators & 3" mandrel from mufflers back, dump pipe
Pacemaker headers (Waste of money).
Air Intake: T-Series, K&N Filter.
Brakes: Calipers painted red, DBA slotted rotors & Lucas pads.
Windows: Tinted.
Gearstick: Shortened.
Fuel: Dual Fuel.
Dyno: 143 rwKw (Dynodynamics - shootout mode).
Heathcote: 15.87 @ 89.1 Mph.
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Old 07-25-2002, 17:52   #2 (permalink)
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Check for blower fitted to engine. Maybe they accidentally did more work than they were supposed to! he he he

Otherwise, maybe it's a vacuum line under the dash?
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Old 07-25-2002, 18:05   #3 (permalink)
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Don't know if this is it, but we recently had our Subaru Impreza serviced which included a cooling system flush. Now there is a sound coming from inside the dash when you accelerate which sounds like water running through a pipe, kind of a bubbling, trickling sound. Maybe there's air in the system or something.

Enough to p!ss you off that a near new car has cracks in it.
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Old 07-25-2002, 20:45   #4 (permalink)
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If it sounds like a leaf then it might be one, they can work thier little leafy way down to where the fan is & make noises that no - one else can hear. Another noise spot I have experienced is air bubbles moving around inside the heater box & lastely a vaccuum leak cos someone forgot to hook it up. Both the air bubbles & the vaccuum leak will corespond sorta nearly to throttle. An another thing does it make the noise when the heater+fan are turned off? My beady wittle brain is struggling to remember more but I CAN feel it struggling.
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Old 07-25-2002, 20:51   #5 (permalink)
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Yep, when the heater or fan are off - it still makes the noise.

From the advice above I would say it sounds most like a vacuum leak. Is this easy to fix? Are there downsides of it leaking other than the noise?
__________________
Wheels: 17" Series 1 XR
Exhaust: VCT with no resonators & 3" mandrel from mufflers back, dump pipe
Pacemaker headers (Waste of money).
Air Intake: T-Series, K&N Filter.
Brakes: Calipers painted red, DBA slotted rotors & Lucas pads.
Windows: Tinted.
Gearstick: Shortened.
Fuel: Dual Fuel.
Dyno: 143 rwKw (Dynodynamics - shootout mode).
Heathcote: 15.87 @ 89.1 Mph.
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Old 07-25-2002, 21:18   #6 (permalink)
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If my overworked nogin remembers proper the the easiest thing to do is remove the glove box or swing it all the way down. Then looking in behind where the glove box was you should see a bundle off vaccuum lines that use a common plug fitting, said plug is common for leaks after someone has touched it. How to fix? unplug then replug making sure to push hoses home. Of course I could be thinking of EL system so plug may not be there but it is still a good place to start. Also while you have the glove box out grab your trusty stethescope (doctor thingy) & listen for the noise using said doctor thingy, or if you don't have a dotor thingy use the big screwdriver in the ear trick. NOTE incorect usage of screwdriver can result in trip to people VET. If nothing shows up from all that,
1/wait for the car to be cold (engine wise)
2/ remove header tank cap
3/start up engine & allow to warm up
4/ once engine is warm ie thermostat open,, VERY carefully (cos of moving parts) squeeze your hoses (the ones on the car) rapidly a number of times, this should hopefully move any air in the sytem out of where it is trapped
5/top up coolant if neccessary
6/ refit header tank cap
7/ close bonnet & drive as per normal.

If none of that works............. turn up radio.
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Old 07-25-2002, 22:20   #7 (permalink)
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Thanks heaps, for all the help guys.

I appreciate it.
__________________
Wheels: 17" Series 1 XR
Exhaust: VCT with no resonators & 3" mandrel from mufflers back, dump pipe
Pacemaker headers (Waste of money).
Air Intake: T-Series, K&N Filter.
Brakes: Calipers painted red, DBA slotted rotors & Lucas pads.
Windows: Tinted.
Gearstick: Shortened.
Fuel: Dual Fuel.
Dyno: 143 rwKw (Dynodynamics - shootout mode).
Heathcote: 15.87 @ 89.1 Mph.
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Old 07-26-2002, 16:48   #8 (permalink)
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sounds like excessive engine noise entering cabin through firewall.check for missing/incorrect fitting gromets in engine bay on firewall.have also had worn/faulty steering column base plate allowing engine noise to enter cabin.

hope this helps.
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Old 07-02-2003, 17:23   #9 (permalink)
Soon to become: Jake_XR6
 
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Re: Wooshing noise from inside AU dash

Quote:
Originally Posted by DSK_EF
have also had worn/faulty steering column base plate allowing engine noise to enter cabin.

hope this helps.

Well after putting up with this noise for almost a year now, trying in vain to find out the source, I have had another go.

This time I have isolated the source of the noise as engine noise entering the cabin where the steering column goes through the firewall. By wrapping heaps of rags and stuff around the column & base plate I almost eliminated the noise altogether!

I will try to tighten all bolts around the steering column base plate, and possibly fabricate some sort of sound deadening gromet. I wonder whether there is infact a grommet missing.

Has anyone got any suggestions/ideas ?

Bloody Ford Service Centre is useless! I have had nothing but problems since I let them work on my car - never again!

I'll post the results.

Jake.
__________________
Wheels: 17" Series 1 XR
Exhaust: VCT with no resonators & 3" mandrel from mufflers back, dump pipe
Pacemaker headers (Waste of money).
Air Intake: T-Series, K&N Filter.
Brakes: Calipers painted red, DBA slotted rotors & Lucas pads.
Windows: Tinted.
Gearstick: Shortened.
Fuel: Dual Fuel.
Dyno: 143 rwKw (Dynodynamics - shootout mode).
Heathcote: 15.87 @ 89.1 Mph.
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Old 07-02-2003, 18:45   #10 (permalink)
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I have a similar problem with my AU XR6, it started about two months ago and seems to change note when i adjust the heater/ blower directional switch.I find it worst on demist and the noise seems to be coming from behind the centre console. Sometimes if I move the switch and the return it to its original position the wooshing stops,,,,wierd.
The noise is still there with fan on or off and lasts about 5 seconds after the motor is turned off, which suggests to me that the fan or the heater core is the source of the noise,,,,,dunno.
Good luck
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