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Randall    (Cheeko)
Randall (Cheeko), Certified Mechanic Ford Motor Co.
Category: Ford
Satisfied Customers: 2395
Experience:  18 years as a Ford tech and still going
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How do i change a pinion seal in a 1997 ford explorer

Customer Question

how do i change a pinion seal in a 1997 ford explorer
Submitted: 4 years ago.
Category: Ford
Expert:  Randall (Cheeko) replied 4 years ago.

Hi, below are the steps, thanks

 

Companion Flange, Rear Axle

 

Special Service Tool(s)
Companion Flange Holding Tool
T78P-4851-A
Companion Flange Replacer
TOOL-4858-E or equivalent
Differential Side Bearing Puller
T77F-4220-B1

 

 

Removal

  1. NOTE: The rear wheels and disc brake rotors must be removed to prevent brake drag during drive pinion bearing preload adjustment.

    Remove the rear disc brake rotors
  2. NOTE: If the companion flange is being replaced, it is not necessary to mark the driveshaft flange.
  3. Mark the driveshaft flange and rear axle companion flange for correct alignment during installation.

4. Remove the four rear driveshaft bolts and disconnect the driveshaft. Wire the driveshaft aside.

5. Install an inch-pound torque wrench on the pinion nut and record the torque required to maintain rotation of the pinion through several revolutions.

6. Use (B) Companion Flange Holding Tool to hold the (A) rear axle companion flange while removing the (C) pinion nut.

7. Mark the (A) driveshaft rear axle companion flange in relation to the (B) drive pinion stem for proper alignment during installation.

8. Use Differential Side Bearing Puller to remove the rear axle companion flange.

 

Installation

  1. Lubricate the rear axle companion flange splines.
    • Use Motorcraft Synthetic Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-ANOTE: Disregard the scribe marks if a new rear axle companion flange is being installed.
  2. Align the (A) rear axle companion flange with the (B) drive pinion shaft.

 

3. Use Companion Flange Replacer to install rear axle companion flange.

4. Position the new pinion nut.

5. Use (B) Companion Flange Holding Tool to hold the (A) rear axle companion flange while tightening the (C) pinion nut.

  • Tighten the pinion nut, rotating the pinion occasionally to make sure the cone and roller bearings are seated properly. Take frequent pinion bearing torque preload readings until the original recorded preload reading is obtained by rotating the pinion with a Nm (inch-pound) torque wrench.
  • If the original recorded preload is lower than specification, tighten to specification. If the preload is higher than specification, tighten to original reading as recorded.

6. Remove the Companion Flange Holding Tool.

7. Position the rear driveshaft and align the marks on the rear axle companion flange.

8. Install the four rear driveshaft bolts.

9. Install the rear disc brake rotors

 

 

 

 

 

Seal - Pinion

 

Special Service Tool(s)
Pinion Seal Replacer
T83T-4676-A

 

 

Removal

  1. Remove the rear axle companion flange; refer to the procedure in this section.
  2. CAUTION: Do not damage axle housing while removing the pinion seal.
  3. Pry up on the metal flange of the pinion seal and remove the pinion seal.

 

Installation

 

  1. Lubricate the new pinion seal.
    • Use Premium Long-Life Grease XG-1-C or XG-1-K or equivalent meeting Ford specification ESA-M1C75-B CAUTION: If the pinion seal becomes misaligned during installation, remove the seal and replace.
  2. Use (A) Pinion Seal Replacer to install the (B) pinion seal.

3. Install the rear axle companion flange

Customer: replied 4 years ago.

cancel my account and refund my money

 

Expert:  Randall (Cheeko) replied 4 years ago.

Hi, I will contact a moderator and let them know, have a great day

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