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Old 09-16-2014, 04:36 PM   #1
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Snapping sound problem

My 2012 Itasca Meridian 40U makes a snapping sound under two circumstances:

1. When driving the coach, there is an intermittent snapping sound emanating from the exterior wall area near the driver's seat. It is almost always present when I first start driving the coach. It is a 3-4 level on a 10 pt. loudness scale.

2. When parked on hot days - high temp above 80 degrees - we hear a loud single SNAP (level 7-8) around 6pm when the temperature starts to drop. The sound appears to be coming from the front roof area on the driver's side.

I have checked the roof, slide, and driver's seat area, and can find nothing amiss. The coach runs well and all components seem to be operating normally.

Any ideas about this? Our biggest concern is that this is a warning of something preparing to break or malfunction.

Rob & Laura
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Old 09-16-2014, 05:16 PM   #2
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The slapping sound could be the MDC shades on the driver side window. Ours are not installed so that the Velcro on the back of the shade corresponds with the medal frame of the window, causing a slap/snap sound. I need to install more Velcro to pad the shade bottom so it doesn't slap the metal frame. The snap in the evening is likely just normal metal/structural contraction as the temps drop and the sun is not shining directly on you unit.
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Old 09-16-2014, 05:25 PM   #3
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Rob and Laura, Glad you're aboard. Sorry I can't help with your question. Best of luck on a solution. Enjoy your adventures and be safe.
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Old 09-17-2014, 04:47 PM   #4
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Thanks for the suggestion. I did check the MCD shades previously, and unfortunately they were not the source of the snapping noise. It would have been an easy fix. It also would not explain the loud SNAP sound around 6-7 pm when the coach is stationary. Any other ideas?
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Old 09-17-2014, 05:32 PM   #5
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The evening Loud Snap is in all likely hood just the unit cooling off and contracting.
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Old 09-17-2014, 07:43 PM   #6
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There was a time that the LP gas tank has a heat shield and temperature changes would flex the metal panel causing a loud noise under the driver.
Workhorse chassis' under the passenger seat would get a loud noise when the leaf spring would snap on the rear mounting for spring ,they had a kit of plastic shims to fix that one.
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