Does this motor mount need to be replaced?

Igoo65

TJ Enthusiast
Supporting Member
Joined
Jan 7, 2019
Messages
418
Location
Colorado Springs, CO
I am replacing my 4.0 and wanted to know, how do I know if my motor mounts need to be replaced. I have a 1997 with 186,000 miles on it. I have attached some pictures.
Thanks for your help.
Igoo65

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If you're going through the trouble of replacing your engine, why not just throw new mounts in? With 186,000 miles it only makes sense to do it. It'll be a lot easier right now than it will be once the motor is back in.
 
[U]jodomcfrodo[/U] That's what I was thinking. Being a newish Jeep owner, I guess I just need someone to confirm my thoughts. Is there anything else I should be replacing while I am replacing the engine?
Thanks,
Igoo65
 
I'm no expert but I certainly would not be worried about those based on these pictures. Like @jodomcfrodo said: you're replacing the whole engine, why not just replace the mounts while you're at it? Out of curiosity, why are you replacing the engine in the first place?
 
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It doesn't need to be replaced, but given how easy they are to replace (and how cheap), you'd be stupid not to replace them.
 
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I would replace them too, Craig. Might as well while the engine is out. I'd go ahead and do a 1" motor mount lift too. At 4" of lift it surely wouldnt hurt!
 
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[U]danof76[/U] The PO had used Barqs stop leak on a cracked block. I was changing fluids when I bought it and noticed the antifreeze was a nasty brown color. I flushed the system several times thinking it was rust and old antifreeze. I ended up flushing the stop leak out of the block and I found the crack where it was leaking. I originally thought I had a leaking head gasket and I had the head rebuilt and new gaskets, just to find out it was still leaking above the second to last freeze plug. Now I have a rebuilt head sitting on my shelf, because the engine builder wouldn't use my head for warranty issues. Lucky me!:oops: I am now replacing the engine. The lessons I learned, don't be such a clean freak and don't trust a previous owner, when they say the vehicle is in great condition!
Igoo65
 
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Tyler,
I was thinking about the motor mount lift, but wont that put my transfer case at more of an angle with the driveshaft? Also can I do the motor mount lift with out a body lift? Will I have to lift my radiator shroud and radiator?
Igoo65
 
Tyler,
I was thinking about the motor mount lift, but wont that put my transfer case at more of an angle with the driveshaft? Also can I do the motor mount lift with out a body lift? Will I have to lift my radiator shroud and radiator?
Igoo65

Should be just enough room to lift without a body lift, and yes you would have to move the shroud with one. A MML will help with the angle of the driveshaft. It will also raise your oil pan up a hair. Minor benefits, no drawbacks.
 
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Thanks Tyler. Is there a brand I should use over other brands? I was looking at M.O.R.E. bomb proof and Brown Dog. Any others worth looking at?
Thanks,
Igoo65
 
Both of those are very well liked, @Chris seems to recommend M.O.R.E. himself, I haven't heard anything bad about Brown Dog, am gonna go with them personally for the pure shallow fact that they're yellow and would match my Jeep.
 
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Thanks dano76. I like MORE stuff just for the shallow reason they are made in Colorado and I already have their engine/skid plate. :)
Thanks,
Igoo65
 
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I think they all accomplish the same thing. I run JKS which is a colorful aluminum block at $80-90. I believe @jjvw runs a similar aluminum block at half the price from ebay. Brown dog has a lot of support but is a bit more expensive. Whatever floats your boat. Brown dog will at least replace your existing bushings whereas JKS (for example) re-uses your existing bushings.
 
I think they all accomplish the same thing. I run JKS which is a colorful aluminum block at $80-90. I believe @jjvw runs a similar aluminum block at half the price from ebay. Brown dog has a lot of support but is a bit more expensive. Whatever floats your boat. Brown dog will at least replace your existing bushings whereas JKS (for example) re-uses your existing bushings.
My blocks are Rough Country that I got as an open box discount on eBay. They are a boring raw aluminum color. :(
 
Well I ordered the Brown Dog MML. I got them for $99. The JKS was $89. 4 Wheel Parts and Predator kept trying to sell me the Daystar for $89, but they have poly bushings. That's a no no in my book.
Thanks for the help on this one!
Igoo65
 
Well I ordered the Brown Dog MML. I got them for $99. The JKS was $89. 4 Wheel Parts and Predator kept trying to sell me the Daystar for $89, but they have poly bushings. That's a no no in my book.
Thanks for the help on this one!
Igoo65

Why Brown Dog over MORE? I mean all things being equal it seemed it was down to aforementioned shallow reasons.
 
It actually came down to cost and availability. I can get the brown dog for $99 and delivered this Saturday. The MORE was $153 and wouldn’t be here for 1-1/2 weeks even though they are only in Delta, CO. Which is a 5 hr drive from me.
 
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Both of those are very well liked, @Chris seems to recommend M.O.R.E. himself, I haven't heard anything bad about Brown Dog, am gonna go with them personally for the pure shallow fact that they're yellow and would match my Jeep.
@Chris recommends M.O.R.E. of everything on his Jeep hehe...and recently M.O.R.E kids too. :naughty2:
 
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