Pinion Bearing Preload
WARNING: This page is about a different car, the 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Pinion bearing preload is controlled and adjusted by means of a select-thickness spacer sandwiched between the pinion head and tail bearing cones.
- Remove pinion housing bolts (1) and remove pinion housing assembly from axle housing.
- Using a dial-type torque wrench (1) , measure pinion housing rotating torque. Rotating torque should be within 130-260 N.m (12-23 in. lbs.). If rotating torque is below this range, disassemble pinion housing, measure and install a slightly thinner spacer (1), reassemble and reverify. If rotating torque is above this range, disassemble pinion housing, install a slightly thicker spacer, reassemble and reverify rotating torque.
- Using Spanner Wrench 6958 (2) , remove pinion flange nut.
- Using Puller 1026 (1) , remove pinion flange.
- Press pinion gear (2) out of housing.
- Remove pinion bearing preload spacer (1) .
- Measure spacer (1) and correct per rotating torque measurement.
- Install proper pinion bearing preload spacer (1) .
- Install pinion gear/bearing assembly to housing. Using Installer L-4507 (1) , press pinion tail bearing (2) onto shaft until it bottoms.
- Using Installer L-4507 (1) , press on pinion flange (2).
- Install and torque (1) pinion flange nut to 475 N.m (350 ft. lbs.).
- Install pinion housing assembly and depth shim to axle assembly.
- Install and torque pinion housing-to-axle housing bolts (1) to 34 N.m (25 ft. lbs.).