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Home/Chevrolet/Silverado 1500/Chevrolet Silverado 1500 (2000-2012)/Repair manual/Manual & Power Steering/Power Steering System: Specifications
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Power Steering System: Specifications Chevrolet Silverado 1500

Manual & Power Steering 9 illustrations ~368 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Accessory Mounting Bracket Bolts50 N.m37 lb ft
Accessory Mounting Bracket Nuts41 N.m30 lb ft
Ball Guide Screws6 N.m53 lb in
Battery Junction Block Retaining Bolt9 N.m80 lb in
Connector Fitting Assembly75 N.m55 lb ft
Coupling Shield and Lock Nut109 N.m80 lb ft
Cylinder End Fitting27 N.m20 lb ft
Filler Neck Retaining Nut25 N.m18 lb ft
Front Power Steering Pump Mounting Bolts50 N.m37 lb ft
Gear To Frame Bolts (Non-Rack and Pinion)150 N.m110 lb ft
Gear To Frame Bolts (Rack and Pinion)185 N.m136 lb ft
Inner Tie Rod to Steering Gear100 N.m74 lb ft
Intermediate Shaft Coupling Pinch Bolt45 N.m33 lb ft
Outer Tie Rod to the Steering Knuckle50 N.m37 lb ft
Pitman Arm to Gear Nut250 N.m184 lb ft
Pitman Arm to Relay Rod Nut62 N.m46 lb ft
Pitman Shaft Cover Bolts (670 Gear)62 N.m46 lb ft
Pitman Shaft Cover Bolts (700 Gear)60 N.m45 lb ft
Power Steering Cooler Mounting Bolts5 N.m44 lb in
Power Steering Mounting Bolts and Nut50 N.m37 lb ft
Power Steering Pump Mounting Bracket Bolts (6.6L Diesel)46 N.m34 lb ft
Power Steering Pump Mounting Bolts (Parallel Hybrid Truck)25 N.m18 lb ft
Power Steering Pump Mounting Bracket Bolts (Parallel Hybrid Truck)25 N.m18 lb ft
Power Steering Pump Pressure Hose Fitting (Parallel Hybrid Truck)32 N.m24 lb ft
Power Steering Pump Mounting Studs58 N.m43 lb ft
Power Steering Pump Wiring Harness Ground Bolt9 N.m80 lb in
Power Steering Rear Bracket Retaining Nuts50 N.m37 lb ft
Pressure Hose Connection (At Gear)28 N.m20 lb ft
Pressure Hose Connection (At Pump)28 N.m20 lb ft
Rack and Pinion Ground Strap Retaining Bolt10 N.m89 lb in
Rack and Pinion Adjuster Lock Nut68 N.m50 lb ft
Rack and Pinion Cylinder Fittings28 N.m20 lb ft
Rack and Pinion Hex Lock Nut30 N.m22 lb ft
Rack and Pinion Piston Plug150 N.m111 lb ft
Rear Pump Mounting Bolt50 N.m37 lb ft
Stub Shaft Housing Bolts63 N.m46 lb ft
Valve End Fitting17 N.m13 lb ft
Variable Assist Steering Actuator62 N.m46 lb ft

Fastener Tightening Specifications

Power Steering Pump Specifications

VehicleEngine CodeEngine SizeHigh Flow (Liters per Minute)High Flow (Gallons per Minute)Pressure Relief (kPa)Pressure Relief (PSI)
C15 Pickup/Crew Cab w/vacuum brakes, 7200 GVWLU3 LR4 LM7/L594.3L 4.8L 5.3L10.9/12.42.9/3.39825/105141425/1525
K 15 Pickup w/vacuum brakes, 7200 GVWLU3 LR4 LM7/L594.3L 4.8L 5.3L10.2/11.72.7/3.19825/105141425/1525
K 15, Pickup/Sierra Denali/ Silverado SS w/20" tires/ Crew Cab w/vacuum brakesLQ46.0L1.32/14.73.5/3.99825/105141425/1525
C/K 25/25HD/35, Pickup/Chassis/Crew Cab w/hydroboostLQ4 LLY L186.0L 6.6L Diesel 8.1L13.2/14.73.5/3.99825/105141425/1525

Power Steering Pump Specifications

Scheme 1

Scheme 1: Power Steering Gear Disassembled View (670 Gear)
Scheme 1: Power Steering Gear Disassembled View (670 Gear)
CalloutComponent Name
1Hexagon Bolt
2Lash Adjuster Nut
3Pitman Shaft and Cover Assembly
4O-Ring Seal
5Steering Gear Housing Assembly
6O-Ring Seal
7O-ring Seal
8Stub Shaft Housing (680 Gear)
9Hexagon Bolt
10Stub Shaft Housing (670 Gear)
11Hexagon Bolt
12Needle Bearing Assembly
13Pitman Shaft Seal
14Backup Washer
15Retaining Ring
16Dust Seal
17Pitman Shaft Boot
18Pitman Arm Assembly
19Lock Washer
20Pitman Arm Nut

Callouts For (Scheme 1)

Scheme 2

Scheme 2: Power Steering Gear Disassembled View (700 Gear)
Scheme 2: Power Steering Gear Disassembled View (700 Gear)
CalloutComponent Name
1Retaining Ring
2Plug
3O-ring Seal
4Side Cover
5Adjuster Lock Nut
6Bolt
7Gasket
8Pitman Shaft
9Steering Gear Housing End Plug
10Teflon Ring
11O-ring Seal
12Rack Piston
13Balls
14Ball Guide
15Clamp
16Screw
17Housing
18Check Valve
19Flat Race
20Thrust Bearing
21Flat Race
22Worm Shaft
23Needle Bearing
24Pitman Shaft Seal
25Backup Washer
26Retaining Ring
27Dust Seal
28Pitman Shaft Boot
29Pitman Shaft Arm
30Lock Washer
31Nut
32Seal
33Stub Shaft
34Valve Spool
35Seal
36Valve Body
37O-ring Seal
38Valve Body Ring
39O-ring Seal
40Valve Body Ring
41O-ring Seal
42Valve Body Ring
43Coupling Shield Retainer and Lock Nut
44Adjuster Nut Assembly
45O-ring Seal
46Thrust Support Assembly

Callouts For (Scheme 2)

Scheme 3

Scheme 3: Power Steering Gear Disassembled View (Rack and Pinion)
Scheme 3: Power Steering Gear Disassembled View (Rack and Pinion)
CalloutComponent Name
1Hexagon Torque Prevailing Nut
2Tie Rod Seal
3Outer Tie Road Assembly
4Hexagon Jam Nut
5Tie Rod End Clamp
6Rack and Pinion Boot
7Boot Clamp
8Inner Tie Rod Assembly
9Shock Dampener Ring
10Adjuster Plug Lock Nut
11Cylinder Line Assembly (RH)
12Cylinder Line Assembly (LH)
13O-Ring Seal
14O-Ring Seal
15Rack and Pinion Gear Assembly (Partial)
16Needle Bearing Annulus Assembly
17Seal Adapter
18Retaining Ring
19Spool Shaft Seal
20Hexagon Lock Nut
21Dust Cover
22Shock Dampener Ring
23Inner Tie Rod Assembly
24Breather Tube
25Boot Clamp
26Rack and Pinion Boot
27Tie Rod End Clamp
28Hexagon Jam Nut
29Outer Tie Rod Assembly
30Tie Rod Seal
31Hexagon Torque Prevailing Nut

Callouts For (Scheme 3)

Scheme 4

Scheme 4: Power Steering Pump Disassembled View (Regular)
Scheme 4: Power Steering Pump Disassembled View (Regular)
CalloutComponent Name
1O-ring Seal
2Hydraulic Pump Housing Assembly
3Magnet
4O-ring Seals
5Rectangular Section Seal
6Control Valve
7Flow Control Spring
8Reservoir Assembly
9Reservoir Capstick
10Pump Mounting Studs
11Variable Assist Steering Actuator
12Retaining Ring
13Connector and Fitting Assembly
14O-ring Seal

Callouts For (Scheme 4)

Scheme 5

Scheme 5: Power Steering System Schematics
Scheme 5: Power Steering System Schematics

Scheme 6

Scheme 6
Scheme 6

Scheme 7

Scheme 7: Power Steering System Component Views
Scheme 7: Power Steering System Component Views
CalloutComponent Name
1Power Brake Booster
2Brake Pedal Position Sensor
3C205
4Accelerator Pedal Position (APP) Sensor
5Throttle Actuator Control (TAC) Module Connector

Callouts For (Scheme 7)

Scheme 8

Scheme 8
Scheme 8
CalloutComponent Name
142V Harness
2Engine Harness
3Battery Cable Bracket
4Electro Hydraulic Power Steering (EHPS) Module

Callouts For (Scheme 8)

Scheme 9

Scheme 9
Scheme 9
CalloutComponent Name
1Steering Column
2C201
3Steering Wheel Speed/Position Sensor

Callouts For (Scheme 9)

Brake Pedal Position Sensor Connector Part Information 15332132 3-Way F GT 150 Series (BK) Pin Wire Color Circuit No. Function A OG 5688 5-Volt Reference B YE 5066 Brake Pedal Position Sensor Signal C GY/BK 5689 Low Reference

Electro-Hydraulic Power Steering (EHPS) C1 Connector Part Information 15355404 2-Way F Maxi 800 Sealed (BK) Pin Wire Color Circuit No. Function A RD 5875 EHPS 42-Volt Battery B BK 5691 EHPS 42-Volt Ground

Electro-Hydraulic Power Steering (EHPS) C2 Connector Part Information 12129225 24-Way F Micro-Pack 100 Series, Sealed (NA) Pin Wire Color Circuit No. Function 1 - - Not Used 2 BK/WH 1851 Ground 3-4 - - Not Used 5 OG 5688 5-Volt Reference 6 YE 5066 Brake Pedal Position Sensor Signal 7 GY/BK 5689 Low Reference 8 TN 2501 High Speed GMLAN Serial Data Bus- 9 TN/WH 2500 High Speed GMLAN Serial Data Bus+ 10 BK/WH 451 Ground 11 PK 1020 Ignition 0 Voltage 12 - - Not Used 13 L-GN 1763 Steering Wheel Position Signal A 14 - - Not Used 15 L-BU 1764 Steering Wheel Position Signal B 16-17 - - Not Used 18 YE/BK 5696 EHPS Interlock Loop Signal 19 YE/BK 5696 EHPS Interlock Loop Signal 20 TN 2501 High Speed GMLAN Serial Data Bus- 21 TN/WH 2500 High Speed GMLAN Serial Data Bus+ 22 PK 1839 Ignition 1 Voltage 23-24 - - Not Used

Steering Wheel Speed/Position Sensor Connector Part Information 12052444 8-Way F Micro-Pack 100 Series (BK) Pin Wire Color Circuit No. Function 1 GY 1056 5-Volt Reference 2 BK 1835 Low Reference 3 L-GN 1763 Steering Wheel Position Sensor Phase A Signal 4 L-BU 1764 Steering Wheel Position Sensor Phase B Signal 5 WH 1765 Steering Wheel Position Marker Pulse Signal 6 L-BU 1059 Steering Wheel Position Sensor Signal 7 BN 41 Ignition 3 Voltage 8 BK/WH 1851 Ground

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