Chrysler Full-Size Trucks 1967-1988 Repair Guide

Transfer Case

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FLUID RECOMMENDATIONS



See Figures 1, 2 and 3

The following lubricants should be used:

NP-200

GL-5 Gear Oils:



Above 90°F-SAE 140W
 
10-90°F-SAE 90W
 
Below 10°F-SAE 80W
 

SF Engine Oils:



Above 32°F-50W
 
Below 32°F-30W
 

NP-201


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Fig. Fig. 1: NP-205 drain and fill plugs



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Fig. Fig. 2: NP-208 drain and fill plugs



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Fig. Fig. 3: NP-241 drain and fill plugs

GL-5 Gear Oils:



Above 90°F-SAE 140W
 
10-90°F-SAE 90W
 
Below 10°F-SAE 80W
 

SF Engine Oils:



Above 32°F-50W
 
Below 32°F-30W
 

NP-203


SAE 10W/30
 

NP-205-Through 1987

GL-5 Gear Oils:



Above 90°F-SAE 140W
 
10-90°F-SAE 90W
 
Below 10°F-SAE 80W
 

SF Engine Oils:



Above 32°F-50W
 
Below 32°F-30W
 

NP-205-1988


SAE SF 10W-30 Engine Oil
 

NP-208


ATF+3 ATF
 

NP-241


ATF+3 ATF
 

LEVEL CHECK



Position the vehicle on level ground. Remove the transfer case fill plug located on the left side of the transfer case. The fluid level should be up to the fill hole. If lubricant doesn't flow from the hold when the plug is removed, add lubricant until it does run out, then install the plug.

DRAIN AND REFILL



See Figures 4 through 8

The transfer case is serviced at the same time and in the same manner as the transmission. Clean the area around the filler and drain plugs and remove the filler plug on the side of the transfer case. Remove the drain plug on the bottom of the transfer case and allow the lubricant to drain completely.



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Fig. Fig. 4: Remove the lower plug to drain



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Fig. Fig. 5: Loosen the upper (fill) plug using a wrench, pliers or another suitable tool



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Fig. Fig. 6: Remove upper (fill) plug in order to refill the transfer case

Clean and install the drain plug. Add the proper lubricant. See the information on level checks.



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Fig. Fig. 7: Fill with gear oil specified for your vehicle



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Fig. Fig. 8: If there is not enough room to fill with a bottle, use a special filler pump (which can usually be purchased from your parts store)

 
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