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Collapsed Motor Mount/Vibration

Old 12-27-2011, 11:34 PM
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This thread us about engine mounts (Yes, a car is powered by an engine, not a motor. If you don't comprehend the difference then maybe try looking it up).

Why are you replying to a gas cap comment from 7 months ago?
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Old 12-28-2011, 09:57 AM
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Originally Posted by TeamRX8 View Post
This thread us about engine mounts (Yes, a car is powered by an engine, not a motor. If you don't comprehend the difference then maybe try looking it up).

Why are you replying to a gas cap comment from 7 months ago?
I was going through my email thread notifications and saw that comment and wanted to point out that the gas cap is cheap so just replace it instead of dealing with cels.
No need to lecture me....

On topic, are there other mounts/things that can cause drive line slop other than the engine mounts?
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Old 12-28-2011, 10:29 AM
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Man, I can see myself screwing this up. Can I order a set of these on www.teamrx8.com?
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Old 12-28-2011, 10:32 AM
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Originally Posted by 9krpmrx8 View Post
Man, I can see myself screwing this up. Can I order a set of these on www.teamrx8.com?
Mine are better... they come with a used italian thong...
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Old 12-28-2011, 10:38 AM
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TX

Originally Posted by bse50 View Post
Mine are better... they come with a used italian thong...
I was Italy and France long enough and I saw enough mankini's and saggy ***** to last me a lifetime
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Old 12-28-2011, 10:49 AM
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Ok.. i tried :p
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Old 12-30-2011, 06:26 AM
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Originally Posted by 9krpmrx8 View Post
Man, I can see myself screwing this up. Can I order a set of these on www.teamrx8.com?


send me the mounts and I will take care of the rest
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Old 12-30-2011, 06:38 AM
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Originally Posted by BReal-10EC View Post
I was going through my email thread notifications and saw that comment and wanted to point out that the gas cap is cheap so just replace it instead of dealing with cels.
No need to lecture me....

On topic, are there other mounts/things that can cause drive line slop other than the engine mounts?
like you lectured him? I was only replying to a comment I saw too, you know ...

The diff mounts also need to be addressed. The entire engine/trans/driveshaft-PPF/diff assembly are carried by the engine and diff mounts

and if you are racing or serious performance you would also want to replace the rear subframe rubber bushings with solid bushings to prevent the entire rear suspension and rear drivetrain assembly from shifting around under high loading. This is a fairly major job. Dropping the subframe is not too difficult. Getting the six OE bushings out is beyond most home mechanics. Especially the two forward ones because they are more less sealed on the top side, which prevents you from using that end to drive them out the bottom.
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Old 12-30-2011, 10:41 AM
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Originally Posted by TeamRX8 View Post
This thread us about engine mounts (Yes, a car is powered by an engine, not a motor. If you don't comprehend the difference then maybe try looking it up).

Why are you replying to a gas cap comment from 7 months ago?

http://www.thefreedictionary.com/engine
http://www.thefreedictionary.com/motor


An engine is a motor by definition.

But if someone said the motor in my car died it would be fair to ask, which motor? Blower motor, the engine, the window motor...? While if they said my engine died, one would reply "Those are under warranty for 100k miles you know"
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Old 12-30-2011, 11:16 AM
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dictionary's take on social conventions no matter how incorrect they may be, you can look up the word "ain't" too


http://www.beedictionary.com/common-...ngine_vs_motor


.

Last edited by TeamRX8; 12-30-2011 at 11:19 AM.
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Old 12-31-2011, 10:15 AM
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Originally Posted by TeamRX8 View Post
like you lectured him? I was only replying to a comment I saw too, you know ...
I lectured him? I can never tell who is being sarcastic in these forum texts.

The diff mounts also need to be addressed. The entire engine/trans/driveshaft-PPF/diff assembly are carried by the engine and diff mounts

and if you are racing or serious performance you would also want to replace the rear subframe rubber bushings with solid bushings to prevent the entire rear suspension and rear drivetrain assembly from shifting around under high loading. This is a fairly major job. Dropping the subframe is not too difficult. Getting the six OE bushings out is beyond most home mechanics. Especially the two forward ones because they are more less sealed on the top side, which prevents you from using that end to drive them out the bottom.
Thanks for the info.

Ok, well I have noticeably more drivetrain slop when going on and off the throttle at speed than I used to.
I also get this vibration at slower speeds that almost feels like a bad u-joint or bent wheel in an old truck- but I don't always get that vibration/shimmy feel.

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Old 02-22-2012, 05:08 PM
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Ok so I've had this excessive metal on metal rattling sound that occurs every time I go into reverse or drive from a stop, and every so often at idle the whole car will vibrate, but mainly on the passenger side.

I've noticed if I rev it while taking off in drive, it will minimize the vibration noise greatly, so apparently it is a mount. Now I had the dealer diagnose a bad engine mount on the passenger side, but that one was replaced with the updated one a few years ago, the dealer says that one is bad.

I had the wheels off the other day and was comparing the driver side and passenger side, and they look the same, so how can you visually tell that mount is bad when no oil is leaking, and it doesn't appear to be collapsed? I want to replace this myself, but don't want to waste the money on a new one if the mount isn't the problem. Any help would be appreciated. Thanks.
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Old 02-23-2012, 11:57 AM
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Anyone? I'm hoping to get this fixed once and for all as it's EXTREMELY ANNOYING!
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Old 02-25-2012, 05:50 PM
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Bump. I'd like to order new mounts ASAP if they are indeed my problem.

So does a damaged mount have to be leaking oil for it to be bad? My dealer said the passenger side is bad, but no oil is leaking and it looks fine (I guess), so IDK what to really look for because nothing else is really obvious.

Is it true the mounts can just become soft overtime and cause the vibrations, although they look fine?
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Old 02-28-2012, 11:20 PM
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Ok guys... Ordered my new motor mount today and just trying to figure out how I'm going to replace it when it arrives?

So I hear everyone is using just a floor jack and some blocks of wood in between to lift the motor, but IDK if a floor jack will fit in my garage at my apartment complex? I also saw today at Kragen that they have trolley style jacks that seem to serve the same purpose, and are relatively cheap as well. Can a trolley jack with blocks of wood in between be used to the same effect as the floor jack?
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Old 02-28-2012, 11:51 PM
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between the flimsy motor mounts and flimsy differential mounts the drivetrain can twist so much that eventually the RH engine mount top will tear open from the excessive tension force. When you fill them with polyurethane per the DIY thread it removes a large amount of this motion and prevents that from reoccurring again.
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Old 02-29-2012, 12:29 AM
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Originally Posted by TeamRX8 View Post
between the flimsy motor mounts and flimsy differential mounts the drivetrain can twist so much that eventually the RH engine mount top will tear open from the excessive tension force. When you fill them with polyurethane per the DIY thread it removes a large amount of this motion and prevents that from reoccurring again.
Great to know. I plan to do the DIY at a later date when time permits due to me being in school ATM. I just wanna get it fixed for now, but may even fill this current bad mount, then get around to sourcing a driver side for cheap, filling it as well, then replacing the set.

What about the answer to my question regarding using a trolley jack to lift the motor?
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Old 02-29-2012, 03:29 AM
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You don't know anyone with a floor jack, even a small, cheapo one like what you mention? It only needs to lift several hundred pounds a few inches. Otherwise that should work with a piece of wood. I have a 12 x 12 x 3/4 piece of birch plywood that I use, but a 2x4 the width of the pan will work just as well. It does need to be large enough to spread the load over the pan bottom.
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Old 02-29-2012, 03:52 AM
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Originally Posted by TeamRX8 View Post
You don't know anyone with a floor jack, even a small, cheapo one like what you mention? It only needs to lift several hundred pounds a few inches. Otherwise that should work with a piece of wood. I have a 12 x 12 x 3/4 piece of birch plywood that I use, but a 2x4 the width of the pan will work just as well. It does need to be large enough to spread the load over the pan bottom.
I have a friend in the school car club that has one, but just wanna know if trolley kind will work just in case that's what he thinks "floor" jack means. Lol.

Thanks again for the help.
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Old 03-01-2012, 07:18 PM
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Old 07-15-2012, 10:29 PM
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Does anyone know where I can source 70a urethane to fill the mounts with? I drive my car fairly aggressively on the street, and figure 60a may be a little too soft, but 80a will probably be too hard since I'm planning to sell my car in the next 6 months. If 70a isn't available, how is the 60a holding up for you guys? I'm really sick of rpm dips from these crappy oem mounts that break all the time and want to fix this once and for all.
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Old 07-15-2012, 11:42 PM
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Originally Posted by Nopstnz8 View Post
Does anyone know where I can source 70a urethane to fill the mounts with? I drive my car fairly aggressively on the street, and figure 60a may be a little too soft, but 80a will probably be too hard since I'm planning to sell my car in the next 6 months. If 70a isn't available, how is the 60a holding up for you guys? I'm really sick of rpm dips from these crappy oem mounts that break all the time and want to fix this once and for all.

PMC™-770 Urethane Rubber - For Production and Industrial Applications | Reynolds Advanced Materials | Everything for Mold Making & Casting
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Old 07-16-2012, 12:24 AM
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^^Thanks dude!
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Old 07-16-2012, 01:10 PM
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Just had mounts replaced out-of-warranty...$800 with labor!!
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Old 07-16-2012, 04:24 PM
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Ouch. U got raped. Big time.

My mount is still holding well. It's been 4 years i think. Stock. Well I will swap it with a set made by team . Once and forall
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