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Pulling 4.0/AW4/231


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I would like to know if it is possible to pull the motor, tranny, and tcase as one unit out of the MJ.

 

Is the front support brace removable? How back heavy will the unit be if chained up by the back of the block?

 

I know the set up will be heavy, but I hope to use the front end loader on the Deere.

 

Any tips, suggestions, or advice?

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It can be done. Having one of them tilt engine levlers help. Basically pul front header panel, radiator and all that stuff. Then pull driveshafts and t-case linkage... then remove all wiring connections.. don't forget the ground straps. The only part that makes it difficult... is the starter tends to always hang on the frame horns. Also disconnect exhaust at the manifold. makes it much easier.

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Thank you for the suggestions. I have an engine leveler and had planned on using it. Sounds like a very do-able plan.

 

Jim- do you have to remove the front axle to drop it on the floor? I have to keep it as a rolling chassis for now.

 

Do the early HO 4.0s use the same fuel line quick disconnect as the newer ones? I have a set that was used when I yanked my TJ engine.

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  • 3 weeks later...

All right, bringing this back to the top.

 

I have spent a fair amount of time trying to find appropriate chain locations on this 4.0 (which is certainly different than my TJ). I know the whole assembly will be very heavy, so I want to use all 4 attachment points on the leveler.

 

I plan on using the front most head bolt stud along with the alternator/compessor mounting bracket bolt holes. In the back I will obviously use another head bolt stud, but I can not find another attachment point on the other side of the motor. I have thought about using yet another heat bolt stud, but am concerned with the weight distribution.

 

Where do you guys chain up when pulling out the whole assembly?

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I've always pulled with the manifolds off.

 

I use the two outermost exhaust bolts, the front top AC bracket bolt, and the only place in back I've been able to attach to is the grounding/dipstick tube brace bolt.

 

I would not even attempt to pull them out together without the load leveler.

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I've pulled the complete contraction with just one bolt on the AC/alternator bracket, and pulled one back bolt on the intake manifold, and used a longer bolt, just 2 points X-cross, and had no problems :dunno:

 

But.......I have found that you need a 2nd chain around the tranny to counter balance the additional "off-set" weight of the tranny/T-case :brows:

 

And.......I don't use that light gauge chain that comes with a load leveler, I use at least 5/16" chain for the lift.

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Thanks for the advice. She is certainly coming out with the manifolds attached. Don't want to fight that battle! I did eye the dipstick/ground strap bolt, but it looked too whimpy.

 

Any idea how much the whole sha-bang will weigh?

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575lbs

 

 

I think your a little off :hmm:

 

4.0 with out accessories = 625 +/-

AW4 & NP 231 about = 120 +/-

 

Total gross around 750#

 

 

87Warrior - Glad to hear everything came out OK for ya :thumbsup:

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575lbs

 

 

I think your a little off :hmm:

 

4.0 with out accessories = 625 +/-

AW4 & NP 231 about = 120 +/-

 

Total gross around 750#

 

 

87Warrior - Glad to hear everything came out OK for ya :thumbsup:

4.0 w/ accessories and manifolds is probably about that much. I have word from a little bird however that a 4.0 w/ no accessories weighs around 520lbs, which I can believe... there is no way I could move 625 alone and I can get a 4.0 off the ground and shuffle it around a few inches at a time when I am suitably motivated.

 

I've pulled a 4.0/AW4/231 combo with a harbor freight engine hoist and load leveler - held together fine, at least till the wheels jammed up and sank into the mud in my friend's back yard. That was a long, long day...

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87Warrior - Glad to hear everything came out OK for ya :thumbsup:

It was much easier than expected. I particularly like how the AW4 is connected to the shifter. I was dreading some pain in the butt through the floor linkage.

 

I've pulled a 4.0/AW4/231 combo with a harbor freight engine hoist and load leveler - held together fine, at least till the wheels jammed up and sank into the mud in my friend's back yard. That was a long, long day...

The John Deere 4210 did great! Somehow I managed to misplace my good load leveler and had to pick up another from AutoZone. Luckily it held together for me.

 

Someday I will get pics posted in my build.

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To add to the confusion, I saw on Novak's page this morning that a Jeep NP231 is around 70lbs stock. And I know for sure that the AW-4 is at least that much, probably more like 100! So the AW-4 and NP231 are going to be at least 170 IMO.

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The NP231 is roughly 75 pounds with no oil. The AW4 well over 100 pounds with fluid, but no torque converter. I'm basing these weights off of what I know I can lift from the ground and onto a table. The NP231 was no problem, but definitely heavier than a 45lb dumbbell (but not heavier than two). The AW4 took a lot of effort for me to pull it from under the truck and lift it onto a cart. I would estimate somewhere in the 135-150lb range.

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