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Old 09-11-2012, 06:47 PM   #1173
Some Guy From NY
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Join Date: Jul 2012
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Location: Brooklyn, NY
What I Drive: 2012 SGM Focus SEL sedan DCT

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It was posted in here and in another thread I believe, but if you have a RATTLE when going over bumps/potholes at lower speeds, IT IS NOT THE SUSPENSION.

It is the coolant reservoir rattling!

I had this annoying rattle for as long as I could remember AND WAS 110% POSITIVE IT WAS THE SUSPENSION...welp this weekend I finally saw a thread about sticking a sponge underneath the coolant reservoir and an AC line. Instead of a sponge I bought 1/2 inch thick pipe insulation. If I could have found an inch thick pipe insulation it would have been perfect, but instead I tucked extra material under the 1/2 inch pipe insulation so it fit snugly between the AC line and the bottom of the reservoir.

THE RATTLING HAS STOPPED COMPLETELY.
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