How do I know if I have a 203 transfer case?

07/14/2020 Off By admin

How do I know if I have a 203 transfer case?

The NP203 is identified by several features: 1. The transfer case is made up of 4 sections bolted together, a range box (the gear reduction we use for the Doubler kit), the chain case which houses the chain drive to the front driveshaft output, the differential housing, and the output housing.

Where is the part number on a transfer case?

For parts identification purposes, a Round Tag is affixed to the back of the rear case. Stamped on the tag are the Model Number (ex: NV271D or MP271), Assembly Number (8 digit number plus two letters), Transfer Case Build Date, and Low Range…

How does a 203 transfer case work?

The full-time aspect of the 203 is all in the rear section of the unit. The case has an internal differential that selectively splits the power to the front and rear axles when the shifter is not in one of the locked positions. The differential carrier is also an item that can shred with this type of abuse.

Why does my transfer case Whine?

Some Transfer Cases may exhibit a high pitched whine when first installed. This may be related to a speed sensor not installed properly and hitting the sensor tone wheel. Make sure all speed sensors are installed correctly and reading correctly.

How much oil does a 203 transfer case hold?

9 pints or 4.5 quarts, whichever comes first. 10W-30 motor oil is spec. 80W-90 gear oil is too heavy to properly lubricate the drive chain, ’81.

What makes up the transfer case on a NP203?

The transfer case is made up of 4 sections bolted together, a range box (the gear reduction we use for the Doubler kit), the chain case which houses the chain drive to the front driveshaft output, the differential housing, and the output housing. The front 2 sections are cast iron, the back 2 sections are typically aluminum. 2.

What kind of transfer case does a Silverado have?

If you have RPO code “NP1” you have the NP263 transfer case. If you have RPO code “NP8” you have the NVG246 transfer case. You can also look on the metal ID tag on the transfer case itself.

Where is the drain plug on NP 203?

You can see on the New Process 203 that the speedometer cable connects to the case on the drivers side. It has a fill plug for filling the case with lube. The case has no drain plug. Fluid is drained by removing the lowest bolts on the passenger side cover. Adjustment Procedure For NP 203 Fulltime Transfer Case Shift Linkage.

What are the dimensions of a NP203 offroad case?

The front 2 sections are cast iron, the back 2 sections are typically aluminum. 2. The overall length is about 22-23″ from the face of the case to the rear output yoke centerline.