Daewoo Nubira. Manual — part 227
POWER STEERING PUMP 6B – 9
DAEWOO V–121 BL4
15. Install the bolt tho the A/C refrigerant line clamp.
Tighten
Tighten the A/C refrigerant line clamp bolt to 4 N
S
m
(35 lb–ft).
16. Install the air filter enclosure.
Tighten
Tighten the air filter enclosure bolts to 4 N
S
m (35 lb–
in).
17. Refill the engine coolant and tighten the coolant
reservoir cap.
18. Refill the power steering fluid. Refer toSection 6A,
Power Steering System.
19. Bleed the power steering system. Refer toSection
6A, Power Steering System.
6B – 10
I
POWER STEERING PUMP
DAEWOO V–121 BL4
UNIT REPAIR
PUMP
Tools Required
J 25034–B Power Steering Pump Pulley Remover
Disassembly Procedure
Important : The power steering pump in this vehicle is not
serviceable. Replace, do not repair, a faulty power steer-
ing pump. Refer to”Power Steering Pump Diagnosis”in
this section.
1. For vehicles equipped with the EVO only, remove
the power steering pump from the vehicle. Refer
to”Pump Assembly”in this section.
2. Using the power steering pump pulley remover J
25034–B, press the power steering pump from the
pulley.
Assembly Procedure
1. Press the power steering pump pulley onto the
power steering pump using a hydraulic press.
2. Install the power steering pump onto the vehicle.
Refer to”Pump Assembly”in this section.
POWER STEERING PUMP 6B – 11
DAEWOO V–121 BL4
GENERAL DESCRIPTION
AND SYSTEM OPERATION
POWER STEERING PUMP
The power steering pump is a multivaned hydraulic pump.
The serpentine accessory drive belt on the engine drives
the power steering pump.
The power steering pump provides the hydraulic pressure
to the power steering gear.
The power steering gear uses the hydraulic pressure to
assist in steering the vehicle.
The power steering system uses a remote reservoir in or-
der to make available more space in the engine compart-
ment.
SECTION : 6A
POWER STEERING SYSTEM
TABLE OF CONTENTS
SPECIFICATIONS
6A–1
. . . . . . . . . . . . . . . . . . . . . . . . . .
FASTENER TIGHTENING SPECIFICATIONS
6A–1
.
SPECIAL TOOLS
6A–1
. . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS TABLE
6A–1
. . . . . . . . . . . . . . . . . . .
DIAGNOSIS
6A–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER STEERING SYSTEM PRESSURE TEST 6A
–2
POWER STEERING SYSTEM LEAK TEST
6A–2
. . .
MAINTENANCE AND REPAIR
6A–3
. . . . . . . . . . . . . . .
ON–VEHICLE SERVICE
6A–3
. . . . . . . . . . . . . . . . . . . . .
BLEEDING THE POWER STEERING SYSTEM
6A–
3
CHECKING AND ADDING FLUID
6A–3
. . . . . . . . . . .
FLUID RESERVOIR
6A–4
. . . . . . . . . . . . . . . . . . . . . . .
HOSES AND PIPES
6A–6
. . . . . . . . . . . . . . . . . . . . . . .
GENERAL DESCRIPTION AND SYSTEM
OPERATION
6A–13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER STEERING SYSTEM
6A–13
. . . . . . . . . . . . .
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
N
S
m
Lb–Ft
Lb–In
Air Cleaner Housing Bolts
12
–
106
Power Steering Line Fittings–Cylinder End
27
20
–
Power Steering Line Fittings–Valve End
18
13
–
Power Steering Pump Pressure Line Union Nut
27
20
–
Steering Gear Inlet and Outlet Pipe Fittings
27
20
–
SPECIAL TOOLS
SPECIAL TOOLS TABLE
KM–354–B
Pressure Test
Gauge Kit
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