Rugged Ridge NP231 Slip Yoke Eliminator (SYE) Kit, 88-06 Jeep Wrangler User Manual
Page 3
STEP 5: Mark the locations of the rear case half bolts before removing them. Start the
case separation process by using the cast-in pry bar location slots only. Prying anywhere
else on the case halves may create an uneven surface that will not seal properly later.
Carefully begin to pry the case halves apart. Some models will be able to remove the
pickup tube and pump assembly with the rear case.
NOTE: Inspect the pickup tube o-ring and the front shaft seal in the pump.
Do not take
the pump apart it is not serviceable
.
Photo 2. NP231 with the rear case and oil pump assembly removed. Clean and inspect
all parts.
STEP 6: Remove the front output shaft. Remove the chain from the main shaft. Clean
and inspect the chain and gears.
STEP 7: Remove the main shaft from the front case. Make note of the locations of the
snap rings, mode hub and sprocket. All of these items will be positioned on the new
shaft.
NOTE: On many earlier models the sprocket used a caged needle
bearing. This bearing will need to be removed in order for the sprocket
to be installed on the new shaft.
Pg.3
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