How-To: Filled firm mounts for ~$5! NO JOKE (DIY)

nodestiny
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How-To: Filled firm mounts for ~$5! NO JOKE (DIY)

Post by nodestiny » Tue Jan 03, 2006 5:31 pm

Hey guys!

Last night, had the old motor mount to my wifes 1st gen out, and decided to give the Hot Glue fill a try (was an extra mount, why not?). Tin foil circle (to make sure duct tape didnt get too damaged from heat of clue) then duct tape on one end of the mount. Did a few differant ways to try to find the best way to put them in. First, put 8 sticks in a tinfoil bowl (hand made Very Happy ) and tried boiling that in a pot of water. Was slow and steam burned me to crap. Next, tried taking that tinfoil bowl and put it in the stove. Success! Melted. But trying to get the glue off wasnt as easy as planned. Only about 1/2 came off and most sticked to the foil Sad

Third, i cut the sticks up and shoved them in the mount and through the mount in the oven at around 250* for 15 minutes. Worked a bit, but not fully melted. DOH!

Finaly, pulled out the ol hot glue gun. Filled it with that (took a lot of time, but worked). In the end, though it in the freezer to dry the last of it.

After dryed and back to room temps, the mount felt VERY solid. Suprisingly. Before, i could grab the actual metal mount inside the rubber itself and move it freely with little effort. Now i cant move it at all by hand (with excessive force, too!)

Threw the mount on this morning. Before, letting of the gas felt like you like clicked on the hydros (maybe not THAT bad, but was definatly jerky). Now, you let off and it does what it should. No more bounce. The vibration really isnt as bad as i thought, either. When killing the motor on the 400 and down RPMs you hear a few rattles, but really... when shutting of the car, does it matter?

HIGHLY RECOMMENDED for those who want a cheap and QUICK way to fill your mounts. All supplies can be had at any (name)-Mart.

Have an extra mount and some 80a (Deyem FIRM mount equiviliant) and will give it a try and compare by next month.
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Post by 03sxt » Tue Jan 03, 2006 5:33 pm

:thumbup:
Awesome! I'll keep that in mind!

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Post by BlackRoseRacing » Tue Jan 03, 2006 8:45 pm

good info, I was trying to fill my mounts with the famous black mopar RTV, but never had time to let it thorughly dry, I never thought about the hotglue in a million years...good idea!
Last edited by BlackRoseRacing on Wed Jan 04, 2006 5:49 am, edited 1 time in total.

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Post by scneonchic » Tue Jan 03, 2006 9:38 pm

I have extra mounts for sale if anyone wants to try this ;) :lol:

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Post by eVilcreations » Tue Jan 03, 2006 10:49 pm

Before trying this for yourself....I would HIGHLY recommend that nodestiny be allowed some time to test the durability of this method. I guess the worst that could happen is that the glue break apart and fall out, and then you would just have a stock motor mount again......but time will tell.


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Post by nodestiny » Wed Jan 04, 2006 9:07 am

EvilCreations wrote:Before trying this for yourself....I would HIGHLY recommend that nodestiny be allowed some time to test the durability of this method. I guess the worst that could happen is that the glue break apart and fall out, and then you would just have a stock motor mount again......but time will tell.
Josh
Yes this is true. It is possible it could break. BUT the way i look at it... how often does a glue stick break? Even if you work it a bit with vibratration and some force? Could happen, but i have a feeling it will work good.

Also, some others on the .org have done this before with no problems to date (might have to search around there to see how long they have had it now)

The motor mount that was filled was already torn, so really it is no loss to me if anything bad does happen.
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Post by Drvr02RT » Wed Jan 04, 2006 9:44 am

I actually used the hotglue on my 1st gen and it only lasted about 6-8 weeks before it started to break apart into chunks. Made a real mess too.
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Post by nodestiny » Wed Jan 04, 2006 9:50 am

Drvr02RT wrote:I actually used the hotglue on my 1st gen and it only lasted about 6-8 weeks before it started to break apart into chunks. Made a real mess too.
What glue did you use? There are differant grades of hot glue.
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Post by grambo » Wed Jan 04, 2006 12:05 pm

nodestiny is correct in that there are many different grades of hot-glue available. Buy the best for the application. (Check Grainger or McMaster-Carr Catalogs) The art&crafts junk gets brittle when it dries and breaks apart.
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Post by LaidNeon » Fri Jan 06, 2006 1:37 am

I used good old JB weld on mine
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Post by Drvr02RT » Fri Jan 06, 2006 2:43 am

Just some cheap-o glue from Walmart. :lol:
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Post by nodestiny » Wed Jan 18, 2006 4:40 pm

Just an update:

The front mount has been fine thus far. Been checkin it here and there.

Pulled the side mount on her car (passanger side) and it was COMPLETELY torn to the point where the metal core actualy fell out when i pulled it! I got some multi-temp and high temp glue from wal-mart (in the LONG sticks). The multi-temp seemed to be stiffer (more white sticks) than the high-temp (more clear) (NOTE: Could have that backwards, will check later). I filled the side mount with the clearer, more flexible one as i didnt want to put a lot of vibration in the car with too solid of a side (besdies, the sides mounts dont do a lot for engine movement!). I put a layer on both the torn rubber parts and pushed it on there real fast before it dried. Than, took my time and filled the mount (no tape this time, just held and filled).

Once i got it done, i let the glue on the outside dry a bit, then ran it under cold water (you could feel the heat of the glue in the core!). After that, installed!

Car felt a lot better, less floppy engine. And its actualy mounted now VS just laying there! :D

Ill keep an eye on this as well. Keep everybody updated. Took 3 sticks all together to fill that mount. Figure, $4 a pack, 20 sticks per pack (I think). Even if the inserts cracked every 3 months, these sticks should last at least a year for $4 a pack!! :D
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home made engine mount.

Post by blowneon » Fri Jan 20, 2006 9:17 am

i used solid dog bone mounts for the engine side, and removed the trans mount, cut small strips of a poly-plastic cutting board from wal-mart, dipped them in tire patch cement, and hammered into the mount openings, used silicone to fill in any cracks, and painted black. solid as hell for less then $2.50.

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Post by nodestiny » Fri Jan 20, 2006 9:23 am

:D Yeah, i love all these "ghetto" motor mount fill ideas! :D Keep em commin!
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Post by scneonchic » Fri Jan 20, 2006 11:39 am

nodestiny wrote: Ill keep an eye on this as well. Keep everybody updated. Took 3 sticks all together to fill that mount. Figure, $4 a pack, 20 sticks per pack (I think). Even if the inserts cracked every 3 months, these sticks should last at least a year for $4 a pack!! :D
are you sure you want to redo that like 4x a year when you could even just get inserts for like $40 and never have to redo them? seems like a bit of a hassle to me just to save a few bucks, when your using alot of time having to redo them

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Post by kc2005ptgt » Fri Jan 20, 2006 11:46 am

HelllloooOooo?! Ghetto?! J/k - I thought about other methods of filling them, but in the end I just went with the race mounts from modern perf. Keep up the goods ideas!
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Post by nodestiny » Fri Jan 20, 2006 5:16 pm

scneonchic501 wrote:
nodestiny wrote: Ill keep an eye on this as well. Keep everybody updated. Took 3 sticks all together to fill that mount. Figure, $4 a pack, 20 sticks per pack (I think). Even if the inserts cracked every 3 months, these sticks should last at least a year for $4 a pack!! :D
are you sure you want to redo that like 4x a year when you could even just get inserts for like $40 and never have to redo them? seems like a bit of a hassle to me just to save a few bucks, when your using alot of time having to redo them
That is, IF they fell out or whatever after 3 months. I have heard of people doing this method and having it for a long time with no problems (depends on glue im guessing).
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Post by lilwad3 » Sat Mar 25, 2006 9:37 pm

i like the mopar rtv idea LOL, that rtv sealant, is some durable stuff period its one of the few RTV's that will actually turn into a brick and harder to heck to crack, inside the tube NEVER opened LOL. but ya im sure drying would be a big issue, maybe a few days? to full harden
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Post by anomalous0 » Sat Nov 25, 2006 1:59 am

The hi-temp hot glue only lasted me a week in the arizona summer before all of it melted clean out. So now I'm using JBweld (am finally doing my tranny mount after 2 months) and I love it on the engine mounts at least. Yes, there's vibration, but mostly when the a/c is on or the car hasn't warmed up yet.
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Post by BlackRoseRacing » Sat Nov 25, 2006 5:52 am

lilwad3 wrote:i like the mopar rtv idea LOL, that rtv sealant, is some durable stuff period its one of the few RTV's that will actually turn into a brick and harder to heck to crack, inside the tube NEVER opened LOL. but ya im sure drying would be a big issue, maybe a few days? to full harden
I tried the mopar rtv with no luck, im considering trying the JB weld myself since I have 5 mounts sitting here to try it on...

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Post by SinfulNeon » Sun Feb 11, 2007 12:00 am

so Im new at this stuff could someone explain to me how the motor mounts and making them solid would aid the engine and by what factors does it help in as well as maybe some figures, if any of you have a link to a faq or this has already been answered then just direct me to that, and thank you for taking the time to answer my question.
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Post by Marthby » Sun Feb 11, 2007 12:59 am

SinfulNeon wrote:so Im new at this stuff could someone explain to me how the motor mounts and making them solid would aid the engine and by what factors does it help in as well as maybe some figures, if any of you have a link to a faq or this has already been answered then just direct me to that, and thank you for taking the time to answer my question.
Your stock rubber mounts have comfort in mind for the people in the car. They allow the engine vibrate more freely and not transfer much of the vibration to the cabin. But under acceleration the engine shaking causes wheel hop, which you might not see but it's there. Wheel hop = loss of traction. So by you get harder mounts whether it's by installing inserts, filling them, or replacing with dog bone mounts... you can eliminate wheel hop at the cost of comfort because now the vibrations will be transfered throughout the car.
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Post by SinfulNeon » Sun Feb 11, 2007 1:27 am

ahh so its like adding tracking control arms for rear wheel cars to keep the axle from hoping, I figured with it being front wheel drive the wait of the engine would be enough to keep the wheels planted didnt think about the vibration of the engine moving affecting it in the same way, huh Im going to have to try this myself then. :) thanks
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Post by NiteHawk » Wed Nov 07, 2007 2:08 pm

any updates?

i'm thinking about going the JB Weld route, but after talking to chris (blackrose), he mentioned a body shop epoxy that when dried, is solid as a rock.......so i dont know...

i have had the prothane inserts for quite some time now...or was it energy suspension.........dont remember, anyways, they're becoming very soft now and aren't doing the job like they should anymore...
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Post by BlackRoseRacing » Thu Nov 08, 2007 6:14 am

I think what I might have used is called"
Door Skin Sealer-Adhesive
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I cant seem to find a web link for them though.....

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Post by occasional demons » Sun Jan 13, 2008 12:01 am

Well, more than $5, but http://www.mcmaster.com/

8644K11
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Post by NickKo » Sun Jan 20, 2008 6:31 pm

I have tried / used (cheap) hot melt glue, and I have not found it to be really durable.

1). Some of the glue that I used broke up into chunks.
Some of it stayed in place, but some of it was gone.

2). OR it can also MELT and / or soften due to engine compartment heat. :oops:

Lesson learned: Depending on the season, where you live (climate) and the TYPE of hot melt glue used, "your results may vary".

I have tried using Liquid Nails too !! But that can also suffer from cracking up and breaking into chunks with age and stress.


A good grade of urethane or MM inserts is probably the best and most durable way to go.

Good tip: I read a tip from someone who advised using new motor mount insulators (the rubber part) when either filling or installing motor mount inserts.
This is supposed to reduce vibrations greatly, and will keep the rubber in 'like new' condition and keep it from sagging with age.
Replacement rubber insulators can be bought quite cheaply from Auto Zone.

I am going to try this on my 'new' 00. :thumbup:

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Post by moorepower1 » Sat Aug 08, 2009 9:48 pm

3M window urethane works well.
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Post by 03wingswestR/T » Sun Aug 09, 2009 12:24 pm

moorepower1 wrote:3M window urethane works well.
thats what i used 2 days ago!! works great.... :thumbup:
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Post by teamliviD » Wed Jan 27, 2010 8:46 am

Where did you guys buy your 3M window urethane?
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