Inspection and Replacement

Power Steering Gear (2 Of 2):

Power Steering Gear (1 Of 2):

INSPECTION

NOTICE: When using a vise, do not over tighten it.





1. Inspect ball clearance. Using a dial indicator, check the ball clearance. Move the worm gear up and down.
Maximum clearance: 0.15 mm (0.0059 inch)





2. Inspect cross shaft adjusting screw thrust clearance. Using a dial indicator, measure the thrust clearance.

Standard clearance: 0.03 - 0.05 mm (0.0012 - 0.0020 inch)





3. If necessary, adjust cross shaft adjusting screw thrust clearance.
a. Using a chisel and hammer, unstake the No. 1 lock nut.





b. Using SST 09630-00014 (09631-00051), remove the No. 1 lock nut.
c. Using a screwdriver, adjust the adjusting screw for correct thrust clearance.
d. Using the SST, tighten a new lock nut.
e. Using a chisel and hammer, stake the lock nut.





4. If necessary, replace oil seal, metal spacer and teflon ring.
a. Using a screwdriver, pry out the oil seal from the gear housing.
b. Using snap ring pliers, remove the snap ring from the gear housing.
c. Remove the metal spacer, Teflon ring and O-ring from the gear housing.
d. Coat a new O-ring and metal spacer with power steering fluid.
e. Install the O-ring and metal spacer.
f. Using snap ring pliers, install a new snap ring.
g. Coat a new Teflon ring with power steering fluid.
h. Form a Teflon ring into a heart shape and install it with hand.





i. Using SST 09630-00014 (09631-0121), form the Teflon ring.

NOTICE: The Teflon ring must be squeezed before inserting the cross shaft or damage will result.

j. Coat a new oil seal with power steering fluid.





k. Using SST 09950-60010 (09951-0360, 09951-00410, 09952-06010), 09950-70010 (09951-07200), drive the oil seal into the gear housing.

NOTICE: Make sure to install the oil seal facing the correct direction.





5. If necessary, replace teflon ring and O-Ring.
a. Using a screwdriver, remove the Teflon ring and O-ring from the worm gear valve body assembly.

NOTICE: Be careful not to damage the worm gear valve body assembly.

b. Coat a new O-ring with power steering fluid and install it.
c. Expand a new Teflon ring with your fingers.

NOTICE: Be careful not to overexpand the Teflon ring.

d. Install the Teflon ring.





e. Coat the Teflon ring with power steering fluid and snug it down with piston ring compressor for 5 - 7 minutes.





6. If necessary, replace union seats.
a. Using a screw extractor, remove the 2 union seats from the worm gear valve body assembly.





b. Using a hammer and extension bar, tap in 2 new union seats.

NOTICE: Before installing the union seat, remove dust sticking to the worm gear valve body assembly.