Dana/Spicer Model 18 Transfer case: How To Rebuild

If your thinking of rebuilding your Dana/Spicer Model 18 Transfer case, here is a good place to start! with very few components and a simple construction, this transfer case is an enjoyable rebuild.
dual lip oil seal
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for additional specs and information visit
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for Novak's teardown and rebuild instructions, see
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and be sure to pick up parts here
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these guys can help you on any of your restoration or conversion need in a very professional manner.
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** This video is for your personal viewing, must not duplicate or sell. this video is for insight on a rebuild, follow procedures at your own risk and hold ownership for your own work**

[@leonmeuchael5453]

I don't know quite how to explain it but you did a better job than 99.9% of these KZbinrs I can't say enough good

[@michaeljames9671]

Excellent video. A trick when measuring the end play is to mount the indicator on the TC.. I used the flat of the oil pan.. that way any movement of the case on the workbench etc won't skew the readings.

[@johnmcdonald7006]

Brother What a good video so clear and straight forward to understand keep up the good work from Australia.

[@goinaboutmybusiness]

You didn’t miss a detail. Thank you!

[@briancole5799]

Great job with your step by step assy procedure. It saved me a lot of time and frustration.

[@battlejack1863]

I just re-use the shim packs it came with and I’ve never had a problem with it

[@ananamas]

One of the best instructional videos I have ever seen! Fantastic job! Thank you.

[@frankjones5526]

Very good to see this prior to removing T Case for rework. Great Job, Thanks.

[@MRCharlesNCharge]

Thank you so much for this wealth of information. I am preparing to rebuild a '65 Jeep CJ5, and I'm sure this instruction will be invaluable to me.

[@stephencrane811]

Outstanding guide for us neophyte shade tree mechanics; thank you!

[@lennyb7301]

Thanks for your super video, I followed your step by step process and now have a perfectly rebuilt Dana 18.

[@rogermetz9406]

Great job, I completed my D18 for my Scout 80. test drove, works great! Thanks for a great video.

[@Hjerte_Verke]

Painting the transfer case (and the transmission too) light gray like you have done is an excellent way of using the lighter color for detecting oil leaks. Black paint doesn't allow this for obvious reasons. The transfer case is often covered in a 1/8" thick combination of lube and trail dust from leaking over the years. It leaks simply due to seal failure from multiple cold-to-hot cycles, wear and tear and the factory seals and sealing methods were fairly mediocre for the time.

[@desertman1943]

that was great mate now i know how to rebuild the transfer case keep up the good work

[@1128Triton]

That's the best video yet, great job!

[@chuckhays509]

About to tackle my T90/D18 rebuild. Thanks for the video.

[@sskinner3405]

Just a heads up if your installing the parking break backing plate you have to install the intermediate shaft and gear before installing the output shaft cover and backing plate.

[@joshcobabe]

Thanks for the video…

[@ggwhale]

A very concise and easy to understand instruction video. Thanks for all your work on this Model 18 "how-to". 👍

[@efraincastellanos1387]

Excellent video, great help. Thank you for sharing your knowledge and expertise.