Home/Dodge/Nitro/Dodge Nitro I (2006-2011)/Repair manual/Transfer Case/MP143 Transfer Case - Service Information: Overhaul
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MP143 Transfer Case - Service Information: Overhaul Dodge Nitro I

Transfer Case 20 illustrations ~563 words

DISASSEMBLY-TRANSFER CASE -MP143

1 - INPUT SHAFT SEAL16 - SHIFT MOTOR
2 - FRONT CASE17 - DRAIN / FILL PLUGS
3 - MAINSHAFT18- DRIVE CHAIN
4 - MODE SLEEVE19 - SHIFT LEVER PAD
5 - MODE HUB20 - MODE FORK ASSEMBLY
6 - DRIVE SPROCKET21- RETAINING CLIP
7 - RETAINING RING22 - RETAINING RING
8 - THRUST WASHER23 - DRIVE GEAR
9 - RETAINING RING24 - SHIFT LEVER RETURN SPRING
10 - REAR CASE25 - RETAINING RING
11 - OUTPUT SHAFT SEAL26 - POCKET MAGNET
12 - DAMPENER27 - DOWEL PIN
13 - OUTPUT FLANGE28 - CHAIN GUIDE RAILS
14 - OUTPUT FLANGE NUT29 - FRONT OUTPUT SHAFT SEAL
15 - ID TAG30 - FRONT OUTPUT SHAFT FLANGE
1 - FILL PLUG4 - SHIFT MOTOR
2 - DRAIN PLUG5 - DAMPENER
3 - ID TAG6 - REAR OUTPUT SHAFT FLANGE

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  1. Position transfer case on shallow drain pan. Remove drain plug (2) and drain lubricant. 1 - HOLDER C-3281 2 - REAR OUTPUT SHAFT FLANGE
  2. Using Holder C-3281 (1), remove the rear output flange (2) nut. 1 - REAR OUTPUT SHAFT FLANGE 2 - MAINSHAFT
  3. Remove the rear output shaft flange (1) from the main shaft. If flange is difficult to remove by hand, remove it with bearing splitter, or with standard two jaw puller. Be sure puller tool is positioned securely on flange. 1 - Item_1 2 - Item _2
  4. Remove the dampener bolts from the transfer case. 1 - Item_1 2 - Item _2
  5. Remove the dampener from the transfer case.
  6. Remove the shift motor bolts from the transfer case. 1 - SHIFT MOTOR
  7. Remove the shift motor (1) from the transfer case. 1 - Item_1 2 - Item _2
  8. Support transfer case so rear case is facing upward and the input gear is not contacting the work surface.
  9. Remove bolts holding front case to rear case. 1 - REAR HOUSING 2 - FRONT HOUSING NOTE: Be careful not to damage the front and rear case sealing surfaces.
  10. Loosen rear case with a case splitter or suitable tool to break sealer bead. Insert case splitter or suitable tool only into notches provided at each end of case.
  11. Remove rear case (1) from front case (2). 1 - FRONT OUTPUT SHAFT 2 - RETAINING RING
  12. Remove front output shaft drive sprocket retaining ring (2) from the front output shaft (1). 1 - RETAINING RING
  13. Remove mainshaft drive sprocket retaining ring (1). 1 - FRONT DRIVE SPROCKET 2 - MAINSHAFT DRIVE SPROCKET 3 - DRIVE CHAIN
  14. Remove the drive sprockets (1, 2) and the drive chain (3) as one. 1 - MAINSHAFT 2 - MODE FORK ASSEMBLY
  15. Remove the mainshaft (1) and mode fork assembly (2) from the front case. 1 - MODE FORK ASSEMBLY 2 - MAINSHAFT
  16. Remove the mode fork assembly (1) from the mainshaft (2). 1 - MODE FORK 2 - MODE FORK RETURN SPRING
  17. Remove the mode fork spring (2) from the mode fork rod (1). 1 - MAINSHAFT 2 - MODE SLEEVE
  18. Remove the mode sleeve (2) from the mainshaft (1). 1 - MODE HUB SNAP RING 2 - MODE HUB 3 - MAINSHAFT
  19. Remove the mode hub snap ring (1) from the mainshaft (3). 1 - MODE HUB 2 - MAINSHAFT
  20. Remove the mode hub (1) from the mainshaft (2). 1 - SCREWS 2 - FRONT CASE
  21. Remove the screws (1) holding both chain guide rails to the front case (2). 1 - DRIVE CHAIN GUIDE
  22. Remove both chain guide rails (1) from the transfer case.
  23. Remove the magnet from the magnet pocket. 1 - FRONT HOUSING 2 - FRONT OUTPUT SHAFT
  24. Remove the front output shaft assembly (2) from the front case (1) and the front output shaft front bearing.
  25. Remove the front output shaft seal with a suitable pry tool or a screw mounted in a slide hammer.
  26. Remove the input shaft seal with a suitable pry tool or a screw mounted in a slide hammer.