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[BruceT]

In relation to this thread started by me: http://www.omegaowners.com/forum/YaBB.pl?num=1213879820/3#

Well, how weird!

Was driving in Asda car park and the front screen was misting up slightly.

The blowe fan speed was on 0 and the air direction was on face. I changed the air direction dial to the defroster vents and hissssssed at me like air was been released, its only quiet. I thought weird, ill try it again.
Same thing, whenever I go from air posistion from front blowers to the defroster ones it hisses.

Air leak?

Where should I look?

[hotel21]

Check the face level vents are fully open or fully closed.  can make a similar noise if they are only open a slight crack.....

[BruceT]

Check the face level vents are fully open or fully closed.  can make a similar noise if they are only open a slight crack.....

All the vents are fully open

[Jimbob]

press and hold auto and off for 10 seconds to reset the servo's, may help

[BruceT]

press and hold auto and off for 10 seconds to reset the servo's, may help

Auto and Off?

I dont have climate, just normal Air con each side...

[Debs.]

Mine does that too; in particular when I switch from re-circ to fresh air intake (using the re-circ button).....I think it`s the sound of a vacuum servo being opened to atmosphere.....my previous aircon (non climate) Omega did it too.
Perfectly normal operation I thought.

[Marks DTM Calib]

If its a continuous hiss then the vac pipe assembly may have come off the back of the direction controls (can be disturbed when radios are hand fistedly fitted!).

A short hiss is down to the vac bing released at the back of the selector switch and is perfectly normal.

[BruceT]

If its a continuous hiss then the vac pipe assembly may have come off the back of the direction controls (can be disturbed when radios are hand fistedly fitted!).

A short hiss is down to the vac bing released at the back of the selector switch and is perfectly normal.

Its only short, like a mini dump valve!

Glad its normal!

Thank you!

[mike213735]

Post Hijack alert!

I am unable to get any air through to my face vents and found that it is a vacuum hose missing off the back of the position selector. Probably yanked off when the hands free kit was removed before I bought the car. I am unable to retrieve it through the back of the dash and when I took the glovebox out to try to find the other end, I was greeted with a mass of pipes and wires.
Does anyone know where the other end of the facial selector hose goes and what / where should I be looking. Then I could just run a new length of hose and get it sorted.

Thanks
Mike