Hi - this is a followup to a post I made a couple of weeks ago - I'm seriously considering a Dodge w/CTD to replace my 97 F250 PSD in a year or so.

Question about the automatic hubs in the Dodge's - do they disengage and then re-engage when changing directions, or do they remain engaged?

What is the difference between the 'shift on the fly' electric 4WD switch and the floor mounted transfer case lever, or is there a difference? I thought both setups still had automatic hubs...

Is there a manual hub option on the Dodges?

Thanks in advance for any input !!!

Truckjunkie

 

No unlocking hubs at all. The axles are always engaged with no means of disconnect except at the transfer case.

Push button 4x4 only works the transfer case.

 

Only difference is one uses a motor to engage the transfer case, the other uses your arm.

No manual hub option.
As far as I know, there is a conversion available for the late 2nd gen Dana axles, but it is around $2,000 ,
nothing out there for the 3rd gen AAM axles yet.


phox

 

So when it's in 2WD, the front hubs, axles, differential, and driveshaft are all turning, and it's just disengaged at the transfer case, correct? Wow, that would seem to put a lot of unecessary wear on the front end... Or maybe all of the parts stay lubed that way. :-) I wonder what the mpg difference would be if all of that stuff wasn't turning all of the time. Just a thought.

 

Both schools of thought exist.

Turning all the time=undue wear.
Turning all the time=always lubed.

I removed my front driveshaft chasing down a vibration that started when I lifted the truck,
drove it like that for a week, and when I filled up next time and checked my mileage,
it improved about 1.5 mpg.

That was just the driveshaft, everything else was still turning.

Mine being a late 2002 after they got rid of the vaccum disconnect found in earlier 2nd gen trucks.


phox

 

whats the vacume thingy do again? does that just connect both axles to the diff?