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Submitted 146 days ago...

Ithaca335

Ithaca335

New User (1)

4 wheel drive maintenance

I do my own oil + lube and tranny fluid changes on our vehicles. I recently bought my first used 4X4 truck. Can you tell me what maintenance is required for the 4 wheel drive system- monitoring fluid levels, maintaining the differentials. Grease or fluid in the axles that I should be checking periodically? What is the difference between a transfer case and a differential? Thank you very much. This is one aspect I don't have experience with.

 
 
 
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Submitted 146 days ago...

kbky11

kbky11

Brain (4,925)

A simple planetary gear arrangement is provided for a transfer case. The transfer case includes a carrier connected to the transfer case input. The ring gear is connected with a rear axle. The sun gear is connectable with a front axle through a clutching arrangement including a one-way clutch and a dog clutch in parallel. The one-way clutch and the dog clutch are independently engageable. The sun gear is selectively groundable through a friction clutch. Accordingly, the simple planetary gear set functions as a gear ratio producing device when the friction clutch is engaged, and as a center differential when the dog clutch or one-way clutch is engaged.and you can check the fuild levels but they dont need a lot of oil , even in the life of the system, they are pretty self contained,

 
 

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