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Broken Engine Mount and Sway Bar Bushings

Posted on 10/18/23 at 2:44 pm
Posted by The Hamburglar
McDonaldland
Member since Jan 2005
3296 posts
Posted on 10/18/23 at 2:44 pm
I looked for an automotive board and didn't see one, so posting this here.

Our mechanic is replacing the starter to our 2017 GMC Acadia and called and mentioned both the engine mount and the sway bar bushings are broken. The car was just in the shop a week ago getting an oil change, and neither of these things was apparently noticed at that time. The mechanic said they must not have looked. Question - I am not looking to dump money into this vehicle. Is replacing the enging mount and/or sway bar bushings a must, or can we survive a bit longer without addressing these. TIA
Posted by Spaceman Spiff
Savannah
Member since Sep 2012
17536 posts
Posted on 10/18/23 at 2:45 pm to
Outdoor board is good at this. Both are relatively easy to spot. Take a picture of them and post it.
This post was edited on 10/18/23 at 2:47 pm
Posted by Chad504boy
4 posts
Member since Feb 2005
166483 posts
Posted on 10/18/23 at 2:45 pm to
not to be an arse but i'm really not sure what type of answer your seeking here from someone who can't even see how bad it is or how much longer you're talking about keeping the vehicle.
Posted by eitek1
Member since Jun 2011
2140 posts
Posted on 10/18/23 at 2:50 pm to
I replaced the motor mounts on my trailblazer by myself in like 30 minutes. It's not that hard to do stuff like that.

You may be ok if the bushings are breaking down. I'd honestly be surprised if they are.

ETA... I just looked at what the motor mounts look like for that vehicle. 3 are the "can" type mount and their failure will be obvious because your vehicle will idle rough. The last mount is just a stabilizer and carries no weight. You can change that easy, or ignore UT


Get a pic if how bad they are. That will tell us more.

As a check of the motor mount. Park your vehicle, pop the hood and get someone to rev the motor while in park. Do you see excessive movement? If not, don't worry about it.

If it's making a bad clank noise when you go over bumps, it's your "stabillizing" links on your sway bar. You don't have to change those either...
This post was edited on 10/18/23 at 2:56 pm
Posted by BigBinBR
Baton Rouge
Member since Mar 2023
4307 posts
Posted on 10/18/23 at 2:52 pm to
They wouldn’t look at any of that during a normal oil change.

But your sway bar bushings aren’t super necessary. You may get some body roll, but you are fine.

The engine mount, it depends. How bad is it? What other issues are you having?
This post was edited on 10/18/23 at 2:53 pm
Posted by IamLSU02
Baton Rouge
Member since Feb 2013
107 posts
Posted on 10/18/23 at 2:55 pm to
Neither will leave you stranded or kill your wife. Depending on which motor mount it is, both should be fairly easy to change also. I imagine there are plenty of videos on youtube that will walk you through step by step, how to do both.
Posted by Mid Iowa Tiger
Undisclosed Secure Location
Member since Feb 2008
18723 posts
Posted on 10/18/23 at 3:25 pm to
Depends.

A broken motor mount - depending on location and how many others there are can be serious - torque from the engine revving can allow the motor to twist. If it twists enough shite can break bad.

Worn out sway bar bushings, again depending on how badly work, can allow a "death wobble" type situation or most likely your vehicle will handle like a wet rag - a lot of body roll in the turns and feed back in the steering wheel when on bumpy roads.

Of the two the motor mount would be my bigger worry - again depending on the location.

The good news is if you're at all handy you can fix both of these yourself with a little help from You Tube.
Posted by Jizzy08
Member since Aug 2008
11240 posts
Posted on 10/18/23 at 3:50 pm to
Typically GM bullshite. Had the same thing happen to a Tahoe I owned.
Posted by Impotent Waffle
Baton Rouge
Member since Sep 2007
9729 posts
Posted on 10/18/23 at 4:06 pm to
Do you notice a knock or thud when accelerating? How much longer are you planning to keep the vehicle?
Posted by Kracka
Lafayette, Louisiana
Member since Aug 2004
40855 posts
Posted on 10/18/23 at 4:14 pm to
quote:

GMC Acadia


absolute lemon vehicles. I can't count on one hand how many times we had to change the god damn broken engine mounts on the acadia we use to have. I do not miss that vehicle.
Posted by AndyCBR
Baton Rouge, LA
Member since Nov 2012
7556 posts
Posted on 10/18/23 at 4:32 pm to
I would get the broken stuff fixed or it’s liable to tear something else up as it continues to fail.

Acadia’s are not known to be great cars as you are finding out.

Get a Toyota next time.
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