Re: Relay clicking sound every 4 seconds from passenger side interior - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Relay clicking sound every 4 seconds from passenger side interior
Posted by dedec [Email] (more from dedec) on Fri, 18 Jan 2019 13:36:07
In Reply to: Relay clicking sound every 4 seconds from passenger side interior, Ian D Whelan, Fri, 18 Jan 2019 08:30:39
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Hi Ian,
One of my experiences when our OG9-3 convertible had a clicking sound on more or less the same location you described:
The clicking sound might come from one of the two automatic climate control stepper motors. These stepper motors control the temperature valve (from cold to hot) and the air direction (feet, screen etc) from the acc. For an impression how one of these stepper motors looks like, see Saab part 4365466.
Another possible clicking sound can be caused by the cabin temperature sensor from the acc, see also Saab part 4364295.
I cleaned and lubricated the stepper motors (beware, two very tiny screws) and also the cabin temperature sensor (easy to clean) and the clicking sound issue was solved for our Saab :)
Best,
Dennis
->Posting last edited on Fri, 18 Jan 2019 13:36:46.
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