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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Power Transfer Unit (Service Information)) >> Assembly >> PTU Assembly

PTU Assembly

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

One speed shown in illustration, two speed similar.

NOTE:

Do not use solvent to clean Power Transfer Unit (PTU) components. Clean the PTU components using a lint free cloth.

GC0159571Courtesy of CHRYSLER GROUP, LLC
  1. Inspect all sealing surfaces for excessive wear or scratches that may cause damage to new seals. If damage is evident replace the PTU assembly.
  2. Manual Transmission equipped vehicle only; using tool (special tool #10517, Installer, Seal) (1), with the long side (4) toward the seal (2), install the outer seal (2) in the input shaft (3) with the tension spring facing outward. The shoulder on the tool will stop against the input shaft (3) when the seal is fully seated.
  3. Both Automatic and Manual Transmission equipped vehicles; using tool (special tool #10517, Installer, Seal) (1), with the short side (4) toward the seal (2), install the inner seal (2) in the input gear (3) with the tension spring facing the tool. The shoulder on the tool will stop against the input shaft (3) when the seal is fully seated.
    GC0159494Courtesy of CHRYSLER GROUP, LLC
  4. Manual transmission equipped vehicle only; using tool (special tool #10515, Installer, Seal) and (special tool #C-4171, Driver Handle, Universal), with the long side (2) toward the outer seal (1), install the outer seal (1) in the housing (4) with the tension spring facing outward. The shoulder on the tool will stop against the top of the bore in the housing (4) when the seal is fully seated.
  5. For both automatic and manual transmission equipped vehicles; using tool (special tool #10515, Installer, Seal) and (special tool #C-4171, Driver Handle, Universal), with the short side (2) toward the seal (1), install the inner seal (1) in the housing (4) with the tension spring facing the tool. The shoulder on the tool will stop against the top of the bore in the housing (4) when the seal is fully seated.
    GC0159238Courtesy of CHRYSLER GROUP, LLC
  6. Install the input shaft (1) and bearing into the PTU housing.
    GC0159979Courtesy of CHRYSLER GROUP, LLC
  7. Install the dog clutch sleeve (1) onto the input shaft
    GC0159708Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Ensure that the dog clutch sleeve is oriented so that the tapered splines (1) are facing the input gear (towards the interior of the case).

    GC0159499Courtesy of CHRYSLER GROUP, LLC
  8. In unison, install the input gear (1) and output ring gear (2) into the PTU housing.
    GC0159975Courtesy of CHRYSLER GROUP, LLC
  9. Install the gasket (1) into the groove in the PTU housing (2).
    GC0160055Courtesy of CHRYSLER GROUP, LLC
  10. If necessary, install the bearing cups and shims into their proper bore of the right PTU housing. Use a light grease to retain the cups in their bore.
  11. Place the right housing (1) on the PTU housing (2).
    GC0159286Courtesy of CHRYSLER GROUP, LLC
  12. Install the bolts (1) to hold the PTU housing halves together and tighten to the proper. Refer to TECHNICAL SPECIFICATIONS .
  13. Install the PTU in the vehicle. Refer to INSTALLATION .
  14. Fill the PTU to the proper level. Refer to CAPACITIES AND RECOMMENDED FLUIDS, SPECIFICATIONS .
  15. Road test the vehicle to verify the repair.
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