| AXLE – FLUID LEAK FROM REAR AXLE PINION SEAL – 4X4 VEHICLES ONLY |
FORD : | 2001 ESCAPE |
Some 4X4 equipped vehicles may exhibit a rear axle pinion seal leak at the Rotary Blade Coupling (RBC). This may be caused by the design of the pinion seal.
ACTION:
Replace the pinion seal at the RBC.
SERVICE PROCEDURE
NOTE: THE CLUTCH ASSEMBLY IS A BALANCED UNIT. IF THE FOLLOWING INDEXING PROCEDURE IS NOT UTILIZED, A VIBRATION MAY OCCUR.
- Index mark the driveshaft and end yoke before removing.
- Remove driveshaft.
- Remove pinion nut.
- Using a punch, mark one of the splines on the yoke ( Figure 1 ).
Figure 1
- Mark the corresponding spline on the pinion gear ( Figure 2 ).
Figure 2
NOTE: A SMALL PUNCH THAT CAN BE INSERTED BETWEEN THE END YOKE SPLINE AND PINION GEAR IS REQUIRED.
- Remove end yoke.
- Remove pinion seal.
- Install new Pinion Seal (YL8Z-4N046-AA) using seal installer tool. SPECIAL TOOL PART NUMBER T80T-4000-C (205-137).
- Assemble end yoke to pinion gear spline. Align the marks made during disassembly.
- Install pinion nut and torque to 217-271 N-m (160-200 lb-ft) ( Figure 3 ).
Figure 3
- Assemble driveshaft to end yoke ( Figure 4 ) and torque to 23 N-m (17 lb-ft).
Figure 4
| PART NUMBER | PART NAME |
|---|---|
| YL8Z-4N046-AA | Pinion Seal |
- Contains extraordinary anti-wear and lubricity agents, ensuring exceptional protection against wear and reducing drag
- Helps to control heat
- Incorporates Lucas cutting-edge additive technology derived from top-rated Lucas Heavy Duty Oil Stabilizer, the number one supplemental oil in the heavy-duty industry
- Available in 1 quart and 1 gallon bottle sizes
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
- For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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