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post #1 of 4 (permalink) Old 08-24-2014, 03:40 PM Thread Starter
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Which Side Goes Up for Front Strut Bearing?

Okay, say you had a front strut bearing sitting in front of you for a 2009 Chevrolet Cobalt LT sedan. You don't have a factory strut assembly to compare it with (let's say you just had to assemble all the parts of a front strut assembly piece by piece). How would you know which side of the front strut bearing goes up when you install it on a strut assembly? Or does it not matter which side goes up?

Last edited by H3br3wHamm3r81; 08-24-2014 at 03:46 PM.
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post #2 of 4 (permalink) Old 08-25-2014, 05:56 AM
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I remember at one point I posted a thread on the same subject. I recall the outcome of the conversation being that it doesn't matter from a functionality perspective. I know that I haven't had any issues.

However, the aftermarket one is of a different design than the OEM. The OEM is essentially symmetrical (when sliced like a bagel). That one can be placed either way. The aftermarket one has a top piece, and the bottom piece that sits inside the top piece. If you're using that one, the black side (if I recall) is on top, because it won't allow debris to work its way inside the bearing, if that makes sense.

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post #3 of 4 (permalink) Old 08-25-2014, 06:24 AM
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The canapy side goes up, black side on a MOOG.

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post #4 of 4 (permalink) Old 08-28-2014, 02:22 AM Thread Starter
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Thanks for the responses.

These are GM parts (P/N 22712116), not aftermarket.

Here's some pics of new ones I just pulled out of their packaging. They're definitely not symmetrical as far as the halves are concerned.

I replaced the strut assemblies about a month ago. I think I overtightened one of them, as there seems to be some tension in the steering wheel when making a left turn, IIRC. In addition, I think, I think, that I did not flip the strut bearing on the driver's side. Meaning, I kept it the way it should be. However, I know I may have flipped the passenger side as I was not aware that both sides of the bearing were different. I had started with the passenger side strut assembly first. I guess I'll start with driver's side first this time and see what the position of the strut bearing is. That should be the right position.

You mentioned "canapy" side. Do you mean, "canopy"? Would that be the white section because it extends over the side more than the black section?

Last edited by H3br3wHamm3r81; 08-28-2014 at 02:29 AM.
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