M36b Power Steering Pump.pdf part of Daewoo Matiz 796cc (My 2003).part01.rar, Service Manual, Wiring Diagram - 16 Part File

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SECTION 6B

POWER STEERING PUMP
TABLE OF CONTENTS
Description and Operation . . . . . . . . . . . . . . . . . . Power Steering Pump . . . . . . . . . . . . . . . . . . . . . . Diagnostic Information and Procedures . . . . . Power Steering Pump . . . . . . . . . . . . . . . . . . . . . . Repair Instructions . . . . . . . . . . . . . . . . . . . . . . . . . On-Vehicle Service . . . . . . . . . . . . . . . . . . . . . . . . . . Pump Drive Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . Pump Drive Pulley . . . . . . . . . . . . . . . . . . . . . . . . . 6B-2 6B-2 6B-3 6B-3 6B-4 6B-4 6B-4 6B-5 Pump Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . Unit Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Specifications . . . . . . . . . . . . . . . . . . . . . Fastener Tightening Specifications . . . . . . . . . . . Special Tools and Equipment . . . . . . . . . . . . . . . Special Tools Table . . . . . . . . . . . . . . . . . . . . . . . . 6B-5 6B-7 6B-7 6B-8 6B-8 6B-8 6B-9 6B-9

DAEWOO M-150 BL2

6B ґ 2 POWER STEERING PUMP

DESCRIPTION AND OPERATION
POWER STEERING PUMP
The pump has a remote fluid reservoir. A pressure-relief valve inside the flow control valve limits pump pressure.

DAEWOO M-150 BL2

POWER STEERING PUMP 6B ґ 3

DIAGNOSTIC INFORMATION AND PROCEDURES
POWER STEERING PUMP
Condition Foaming, Milky Power Steering Fluid, Low Fluid Level, and Possible Low Pressure Probable Cause D Insufficient power steering fluid level. D Contaminated air in the power steering fluid. D Internal leaks and overflow of the power steering pump. D Leaks of the power steering pump housing and the soft plug. Low Pressure Due to Steering Pump D Stuck and improperly operated power steering pump flow control valve. D Worn power steering pump seats. D Scores, cracks, or breaks of the pressure plate, the pump ring, the thrust plate, and the rotor. D Sticking of the vanes in the rotor slots. D Internal leaks and overflow of the power steering pump. Growling Noise in Steering Pump D Restricted flow of the pump hoses and the steering gear pipes. D Scores, cracks, or breaks of the pressure plate, the pump ring, the thrust plate, and the rotor. D Improperly contacted power steering hose with the body. D Insufficient power steering fluid level. Ratting Noise in the Steering Pump D Contaminated air in the power steering fluid. D Improperly contacted power steering hose with the body. D Insufficient power steering fluid level. D Improperly installed pump mounting. Swishing Noise in the Steering Pump Whining Noise in the Steering Pump D Damaged power steering pump flow control valve. D Scores of the pressure plate and the vanes. D Scores of the pump shaft bearing Correction D Fill the power steering fluid reservoir. D Bleed the power steering system. D Replace the power steering pump. D Replace the power steering pump. D Replace the power steering pump. D Replace the power steering pump. D Replace the power steering pump.

D Replace the power steering pump. D Replace the power steering pump. D Clean out the pipes and the hoses. D Replace the pipes and the hoses as needed. D Replace the power steering pump.

D Secure the pump hose in a clamp away from the body. D Fill the power steering pump reservoir. D Bleed the power steering system. D Secure the pump hose in a clamp away from the body. D Fill the power steering pump reservoir. D Tighten the power steering pump attachment bolts. D Replace the power steering pump. D Replace the power steering pump. D Replace the power steering pump.

DAEWOO M-150 BL2

6B ґ 4 POWER STEERING PUMP

REPAIR INSTRUCTIONS ONґVEHICLE SERVICE
PUMP DRIVE BELT
Removal Procedure
1. Remove the front passenger side headlamp. Refer to Section 9B, Lighting Systems. 2. Remove the pump drive belt. D Loosen the rear bracket adjusting bolt (1). D Loosen the bolt (2).

D105C524

D Loosen the front bracket adjusting bolts (3). D Push the pump forward (4).

D105C525

Installation Procedure
18ґ22 NSm 1. Install the pump drive belt with the bolts.

Tighten
D Tighten the front bracket adjusting bolt to 18ґ22 NSm (13ґ16 lb-ft) (1). D Tighten the rear bracket adjusting bolt to 20ґ24 NSm (15ґ18 lb-ft) (2). D Tighten the power steering pump bolt to 20ґ24 NSm (15ґ18 lb-ft) (3). 2. Install the front passenger side headlamp. Refer to Section 9B, Lighting Systems.

20ґ24 NSm 20ґ24 NSm

D15C526A

DAEWOO M-150 BL2

POWER STEERING PUMP 6B ґ 5

PUMP DRIVE PULLEY
Tools Required
DW310ґ020 Power Steering Pulley Remove Holder

Removal Procedure
1. Remove the front passenger side headlamp. Refer to Section 9B, Lighting Systems. 2. Remove the steering pump pulley. D Remove the pump drive belt. Refer to "Pump Drive Belt" in this section. D Fix the pulley using the power steering pulley remove holder DW310ґ020 (1). D Remove the pump drive pulley nut (2).

D105C527

Installation Procedure
1. Install the pump drive pulley. Install the steering pump pulley nut. 2. Install the pump drive belt. 3. Tighten the steering pump pulley nut using the power steering pulley remove holder DW310ґ020.

Tighten
55ґ69 NSm Tighten the steering pump pulley nuts to 55ґ69 NSm (41ґ51 lb-ft). 4. Install the front passenger side headlamp. Refer to Section 9B, Lighting Systems.
D15C528A

PUMP ASSEMBLY
Removal Procedure
1.Remove the front passenger side headlamp. Refer to Section 9B, Lighting Systems. 2. Disconnect the pipe line from the pump. D Disconnect the supply line pipe hose (1). D Disconnect the pressure line pipe fitting (2).

D105C529

3. Remove the power steering pump. D Remove the pump drive belt. Refer to "Pump Drive Belt" in this section. D Disconnect the power steering pressure switch connector (1). Refer to Section 6A, Power Steering Systems. D Remove the bolts (2).

D105C530

DAEWOO M-150 BL2

6B ґ 6 POWER STEERING PUMP
D Remove the bolt (3).

D105C531

Installation Procedure
1. Install the power steering pump with the bolt.

Tighten
Tighten the bolt to 18ґ22 NSm (13ґ16 lb-ft). 2. Connect the power steering pressure switch connector. Refer to Section 6A, Power Steering System. 3. Install the pump drive belt. Refer to "Pump Drive Belt" in this section. 18ґ22 NSm

D15C532A

4. Install the bolts. 21ґ35 NSm 20ґ24 NSm

Tighten
D Tighten the rear bracket adjusting bolt to 20ґ24 NSm (15ґ18 lb-ft) (1). D Tighten the power steering bolt to 20ґ24 NSm (15ґ18 lb-ft) (2). 5. Connect the pressure line pipe to the outlet connection on the steering pump.

20ґ24 NSm

Tighten
Tighten the pressure line pipe fitting to 21ґ35 NSm (16ґ26 lb-ft) (3).

D15C533A

6. Install the front passenger side headlamp. Refer to Section 9B, Lighting Systems. Notice: When adding fluid or making a complete fluid change, always use DEXRONr-II or DEXRONr-III power steering fluid. Failure to use the proper fluid will cause hose and seal damage and fluid leaks. 7. Refill the pump with new fluid and bleed the air from the system. Refer to Section 6A, Bleeding the Power Steering System. 8. Inspect for leaks. If leaks are found, correct the cause of the leak and bleed the system.

DAEWOO M-150 BL2

POWER STEERING PUMP 6B ґ 7

UNIT REPAIR
PUMP
The power steering pump in this vehicle is not serviceable. A faulty pump must be replaced.

DAEWOO M-150 BL2

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Power Steering Pump Pulley Nut Power Steering Pump Rear Bracket Adjusting Bolt Power Steering Pump Rear Bracket Lower Bolt Power Steering Pump Rear Bracket Upper Bolt Power Steering Pump Front Bracket Adjusting Bolt Power Steering Pump Front Bracket Bolt Power Steering Pump Bolt Type Capacity Application

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6B ґ 8 POWER STEERING PUMP
Lubricant Application

Power Steering Oil Pressure Line Fitting

FASTENER TIGHTENING SPECIFICATIONS

GENERAL SPECIFICATIONS

SPECIFICATIONS

Vane

1.0 Liter (1.056 qt)

Power Steering Fluid DEXRONr-II, DEXRONr-III

21 ґ 35

55 ґ 69

20 ґ 24

20 ґ 24

35 ґ 45

18 ґ 22

20 ґ 24

20 ґ 24

NSm

Description

16 ґ 26

15 ґ 18

15 ґ 18

26 ґ 33

13 ґ 16

15 ґ 18

15 ґ 18

41ґ 51

Lb-Ft

Lb-In

ґ

ґ

ґ

ґ

ґ

ґ

ґ

ґ

DAEWOO M-150 BL2

POWER STEERING PUMP 6B ґ 9

SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS TABLE

DW310ґ020 Power Steering Pulley Remove Holder

D105C101

DAEWOO M-150 BL2