Daewoo Nubira. Manual - part 223

6C – 28

I

POWER STEERING GEAR

DAEWOO V–121 BL4

8.  Remove the lower bearing assembly retaining ring

and press the lower bearing assembly from the low-
er end of the housing..

Assembly Procedure

Notice : Coat all the seals with power steering fluid to en-
sure proper sealing and prevent vehicle damage.

1.  Install the lower bearing assembly and the lower

bearing assembly retaining ring into the lower end
of the housing.

2.  Install the lower valve assembly bearing and the

bushing.

POWER STEERING GEAR  6C – 29

DAEWOO V–121 BL4

3.  Center the rack in the housing.
4.  Install the the valve assembly, the stub shaft bear-

ing annulus assembly, and a new stub shaft dust
seal into the housing.

Important : When the valve and pinion assembly is fully
seated in the housing, be sure that the notch in the stub
shaft and the mark on the housing line up.

Notice : If the stub shaft is not held, damage to the pinion
teeth will occur.

5.  While holding the stub shaft, install the locknut onto

the pinion shaft.

Tighten

Tighten the pinion locknut to 30 N

S

m (22 lb–ft).

6.  Replace the dust cover onto the housing.
7.  Install the rack and pinion steering assembly. Refer

to”Rack and Pinion Assembly”in this section.

6C – 30

I

POWER STEERING GEAR

DAEWOO V–121 BL4

RACK BEARING

Tools Required

J–35423 Rack Guide Spring Cap Wrench

Disassembly Procedure

1.  Remove the rack and pinion steering assembly

from the vehicle. Refer to”Rack and Pinion Assem-
bly”in this section.

2.  Remove the adjuster plug locknut from the adjuster

plug, and remove the adjuster plug from the hous-
ing with the rack guide spring cap wrench J–35423,
or with a 19 mm allen wrench.

3.  Remove the adjuster spring and the rack bearing.

Assembly Procedure

1.  Coat the rack bearing, the adjuster spring, and the

adjuster plug with lithiumbased grease and install
them into the housing.

POWER STEERING GEAR  6C – 31

DAEWOO V–121 BL4

2.  With the rack centered, turn the adjuster plug clock-

wise until a torque of 7 N

S

m (62 lb–in) is obtained,

then back it off by 30 to 40 degrees. Check the pin-
ion torque. Maximum pinion preloaded torque is 1
N

S

m (9 lb–in).

3.  Thread the locknut on the adjuster plug and tighten

it.

Tighten

Tighten the adjuster plug locknut to 70 N

S

m (52 lb–ft).

while holding the adjuster plug stationary with the rack
guide spring cap wrench J–35423 or with a 19 mm al-
len wrench.

4.  Install the rack and pinion assembly. Refer to”Rack

and Pinion Assembly”in this section.

RACK BEARING PRELOAD
ADJUSTMENT

Adjustment Procedure

1.  Raise and suitably support the vehicle.
2.  Center the steering wheel.
3.  Remove the power steering gear. Refer to”Rack

and Pinion Assembly”in this section.

4.  Loosen the locknut and turn the adjuster plug clock-

wise until a torque of 5 N

S

m (44 lb–in) is obtained,

then loosen it by 30 to 40 degrees.

5.  Tighten the locknut on the adjuster plug while hold-

ing the adjuster plug stationary.

Tighten

Tighten the adjuster plug locknut to 70 N

S

m (52 lb–ft).

6.  Install the power steering gear. Refer to”Rack and

Pinion Assembly”in this section.

7.  Be sure to check the returnability of the steering

wheel to center position after adjustment.

VALVE AND PINION

Disassembly Procedure

1.  Remove the rack and pinion steering assembly

from the vehicle. Refer to”Rack and Pinion Assem-
bly”in this section.

2.  Remove the dust cover from the lower end of the

housing.