Transfer Case Chain slipping... - Jeep Commander Forums: Jeep Commander Forum
Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

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post #1 of 7 (permalink) Old 08-27-2019, 06:14 PM Thread Starter
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Transfer Case Chain slipping...

So been tracking this down (clunky, jerky, thumping) under load or hard acceleration...

Mechanic I trust says transfer case, so along with other maintenance I asked about looks like roughly $2400. Apparently the chain is slipping?

Question is can a person with decent mechanical skills do this in a home garage with floor jacks and stands? Or should I take the $$$ and the 12/12000 warranty?

(Used transfer case is around $160)

Last edited by brattrw; 08-27-2019 at 06:18 PM.
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post #2 of 7 (permalink) Old 08-28-2019, 12:11 AM
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I would attempt it, but I haven't done it.
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post #3 of 7 (permalink) Old 08-28-2019, 12:47 AM
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Quote:
Originally Posted by brattrw View Post
So been tracking this down (clunky, jerky, thumping) under load or hard acceleration...

Mechanic I trust says transfer case, so along with other maintenance I asked about looks like roughly $2400. Apparently the chain is slipping?

Question is can a person with decent mechanical skills do this in a home garage with floor jacks and stands? Or should I take the $$$ and the 12/12000 warranty?

(Used transfer case is around $160)
Assuming that the used T case is a 100% match to what you are pulling out, and it is an NV140, you could do this in the garage with a moderate skill set. I would guess that a few of the bolts will take patience and a good set of extensions. Here's the NV140 removal from the shop manual. Keep in mind the Aluminum case and don't over torque the bolts on reassembly (manual shows 35 Nm (26 ft. lbs.)). I've also clipped the install.

** The T case is not something you can hold in place with one hand and put the bolts in with the other. You will need a transmission jack, most equipment rental places have them fairly cheaply. The T case isn't massive until it's sitting on your chest under the jeep.**
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2010 Hemi Commander
Quadra Drive II
4" Superlift
275/70 R18 TOYO R/T

Last edited by Up4XK; 08-28-2019 at 01:08 AM. Reason: Added needed tool info
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post #4 of 7 (permalink) Old 08-28-2019, 06:11 AM Thread Starter
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Thank you. That looks pretty straight forward. It's an 06 Base model with the 3.7.

I think I can save a lot of money doing this myself, just want to make sure it's done correctly. Time to invest in some manuals I think!
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post #5 of 7 (permalink) Old 08-29-2019, 01:04 PM
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transfercase express has good prices on new cases. if you have access to a lift, replacement is not too bad. you will have to drop the trans cross member and lower the transmission as far as it can go to get to the top bolts. an articulating ratchet wrench worked best for me.
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post #6 of 7 (permalink) Old 09-06-2019, 06:43 PM Thread Starter
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I have a friend that has a lift and tools. I have all the tools but no longer have a place to work. =( I guess it comes down to the brass tacks. Need to verify part numbers and order some parts. Labor for this job is nuts around here. So if I can do it myself it's better!
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post #7 of 7 (permalink) Old 09-08-2019, 08:32 AM
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I was able to man handle the transfer case up and get it in the trans output shaft myself. Once on you can rotate and line up the bolts. Mine was a nv245 though, not sure how it compares to nv140 but i bet its heavier due to low range...
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