Has anyone rebuilt one of these? Complicated or easy? I have high and high loc but low does not seem to work. What is the difference between high/low and High/low loc? Everything else has been rebuilt so I may as well rebuild the T-Case!
The 203 is a full time transfer case, that means you are always sending power to all four tires. There is no 2wd ability unless the t-case has been converted.
The 203 contains a differential, much like an axle. When you are in Hi or Low, the differential allows some difference in axle speed between the front and rear axles. When you shift into a lock position (Either hi or low), the differential is locked out and it operates much as a spool does in an axle.
Having the t-case in a locked position allows for the maximum available traction for off road conditions, however you do not want to use hi or low lock on hard surfaces. Your axles do not turn together at the exact same rate of speed at all times. This means that on hard surfaces one pair of tires are fighting the other pair. This is what is called bind up, and this can result in very major damage to your t-case and drivetrain. Using just Hi or Low allows the differential in the t-case to handle the differences in axle rate of speed, and no bind up will occur.
Ok-I would like to kill the idiot that owned the RC before me. The tag is still on the transfer case and it says 208 so I will have to trust that. The lever in the cab has, in this order-I think- high-high loc-neutral-low loc and low. My front axle does not have lockouts. So the lever is wrong-I assume. If the front axle does not have lock outs then I do not want a 203-I would like to drive it on the road with a front drive shaft. Will the shifter from a 203 work with a 208?
none of the factory full time trucks (75-79) had lock outs. that just wouldnt make sense.
and if ur talkin about the 208 and no lock out that is ok as well. because most people drive with the hubs locked anyways. lock outs where designed with the inent of possibly saving gas and or wear and tear. but since most dont take the time to lock and unlock em anyways, its pointless.
what year RC is it? if its an 80ish or early 90's its an NP208
he might just be that he put a NP203 knob on the shifter... if it has an NP208 tag on it.. it probably is a 208, and 208's are made out of aluminum and 203's are Iron. this might help: http://www.pirate4x4.com/forum/showthread.php?t=182225
Yeah it is definately a 208-just checked at lunch. It is aluminum as well. It is an 87 so I will assume he put a 203 knob on it. Does the 208 go into low range relatively easy or can it be a pain? I guess I will have to play around with it a little more. Does the t-case send power to the front axle in 2H? No matter where I set the t-case lever at the front drive shaft is spinning-I have the truck on Jack stands.
No the front axle is not a CAD-I have been through the axle and guarentee it's not-it is a HD44. The rear is a full floating D60. Both of these axles have been transplanted from something else before I got the truck. The ring gear had 1976 stamped on it.
What is the correct position for the transfer case when looking at the shifter-Pushed all the way forward toward the engine the shifter would be in what? High, highloc, neutral, low-is this corrrect?
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