Pinion Seal Replacement (On-Vehicle): Installation

1. To install, reverse removal procedure. Apply grease to seal lip and install to proper depth. See PINION SEAL DEPTH  table. Apply grease to seal lip. Install pinion flange. Install new nut after lightly greasing threads. Check and adjust pinion preload. See PINION BEARING PRELOAD  and TOTAL PRELOAD SPECIFICATIONS tables in this article.
2. If preload is insufficient, gradually tighten nut in increments of 5-10 degrees, until preload is obtained. If preload is exceeded, replace bearing spacer. To complete installation, reverse removal procedure. Add lubricant as required.

Fig 1: Removing Pinion Flange

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

PINION SEAL DEPTH

Application		In. (mm)
Pickup & 4Runner
2WD		.06 (1.5)
1 Ton, C & C & 4WD		.04 (1.0)