Operation CHARM: Car repair manuals for everyone.

Front Planetary Gear

FRONT PLANETARY GEAR

Components





No.1 One-Way Clutch And Sun Gear Disassembly



1. CHECK OPERATION OF NO.1 ONE-WAY CLUTCH
Hold the sun gear and turn the hub. The hub should turn freely clockwise and should lock counterclockwise.





2. REMOVE NO.1 ONE-WAY CLUTCH FROM SUN GEAR
While turning the hub clockwise, remove the No. 1 one-way clutch from the sun gear.





3. REMOVE THRUST WASHER FROM SUN GEAR INPUT DRUM





4. REMOVE SUN GEAR FROM DRUM
a. Using snap ring pliers, remove the snap ring from the drum.
b. Remove the sun gear from the drum.





5. CHECK SUN GEAR BUSHINGS
Using a dial indicator, measure the inside diameter of the sun gear bushings.

Maximum inside diameter: 22.59 mm (0.08894 inch)

If the inside diameter is greater then the maximum, replace the sun gear.

No.1 One-way Clutch And Sun Gear Assembly



1. INSTALL SUN GEAR TO DRUM
a. Install the sun gear to the drum.
b. Using snap ring pliers, install the snap ring to drum.





2. INSTALL THRUST WASHER TO SUN GEAR INPUT DRUM





3. INSTALL NO.1 ONE-WAY CLUTCH ON SUN GEAR
While turning the hub clockwise, slide the No.1 one-way clutch onto the sun gear.
4. RECHECK OPERATION OF NO.1 ONE-WAY CLUTCH


Planetary Ring Gear Inspection



1. INSPECT RING GEAR FLANGE BUSHING
Using a dial indicator, measure the inside diameter of the flange bushing.

Maximum inside diameter: 30.08 mm (1.1842 inch)

If the inside diameter is greater then the maximum, replace the flange.





2. REMOVE RING GEAR FLANGE
a. Using a screwdriver, remove the snap ring.
b. Remove the flange from the ring gear.
3. INSTALL RING GEAR FLANGE





a. Position the flange into the ring gear.





b. Using a screwdriver, install the snap ring.


Front Planetary Gear Inspection
MEASURE PLANETARY PINION GEAR THRUST CLEARANCE



Using a feeler gauge, measure the planetary pinion gear thrust clearance.

Standard clearance: 0.16 - 0.56 mm (0.0063 - 0.0220 inch)
Maximum clearance: 0.61 mm (0.0240 inch)


If the clearance is greater than the maximum, replace the planetary gear assembly.