Fastener Tightening Specifications
| Application | Specification |
|---|
| Metric | English |
| Adjuster Lock Nut | 44 N.m | 32 lb ft |
| Ball Guide Clamp Screws | 6 N.m | 53 lb in |
| Coupling Shield Retainer and Lock Nut | 109 N.m | 80 lb ft |
| Pitman Arm to Steering Gear Nut | 250 N.m | 184 lb ft |
| Power Steering Cooler Mounting Bolts | 5 N.m | 44 lb in |
| Power Steering Gear To Frame Bolts | 150 N.m | 111 lb ft |
| Power Steering Pump Bracket Retaining Nuts | 50 N.m | 37 lb ft |
| Power Steering Pump Connector and Fitting Assembly | 75 N.m | 55 lb ft |
| Power Steering Pump Front Mounting Bolts | 50 N.m | 37 lb ft |
| Power Steering Pump Mounting Studs | 54 N.m | 44 lb ft |
| Power Steering Pump Rear Mounting Bolt | 50 N.m | 37 lb ft |
| Pressure Hose Connections - Threaded | 28 N.m | 21 lb ft |
| Rack Piston Plug | 150 N.m | 111 lb ft |
| Steering Gear Side Cover Bolts | 60 N.m | 45 lb ft |
| Worm Thrust Preload Adjustment Nut | 30 N.m | 22 lb ft |
Fastener Tightening Specifications
Power Steering Pump Specifications
| Engine Code | Engine Size | High Flow (Liters per Minute) | High Flow (Gallons per Minute) | Pressure Relief (kPa) | Pressure Relief (PSI) |
|---|
| LQ4 | 6.0L | 15.9/17.7 | 3.5/3.9 | 9825/10514 | 1425/1525 |
Power Steering Pump Specifications
Scheme 1
Scheme 1: Power Steering Gear Component Views (700 Gear)
| Callout | Component Name |
|---|
| 1 | Retaining Ring |
| 2 | Plug |
| 3 | O-ring Seal |
| 4 | Side Cover |
| 5 | Adjuster Lock Nut |
| 6 | Bolt |
| 7 | Gasket |
| 8 | Pitman Shaft |
| 9 | Steering Gear Housing End Plug |
| 10 | Teflon Ring |
| 11 | O-ring Seal |
| 12 | Rack Piston |
| 13 | Balls |
| 14 | Ball Guide |
| 15 | Clamp |
| 16 | Screw |
| 17 | Housing |
| 18 | Check Valve |
| 19 | Flat Race |
| 20 | Thrust Bearing |
| 21 | Flat Race |
| 22 | Worm Shaft |
| 23 | Needle Bearing |
| 24 | Pitman Shaft Seal |
| 25 | Backup Washer |
| 26 | Retaining Ring |
| 27 | Dust Seal |
| 28 | Pitman Shaft Boot |
| 29 | Pitman Shaft Arm |
| 30 | Lock Washer |
| 31 | Nut |
| 32 | Seal |
| 33 | Stub Shaft |
| 34 | Valve Spool |
| 35 | Seal |
| 36 | Valve Body |
| 37 | O-ring Seal |
| 38 | Valve Body Ring |
| 39 | O-ring Seal |
| 40 | Valve Body Ring |
| 41 | O-ring Seal |
| 42 | Valve Body Ring |
| 43 | Coupling Shield Retainer and Lock Nut |
| 44 | Adjuster Nut Assembly |
| 45 | O-ring Seal |
| 46 | Thrust Support Assembly |
Scheme 2
Scheme 2: Power Steering Pump Component Views (Regular)
| Callout | Component Name |
|---|
| 1 | O-ring Seal |
| 2 | Hydraulic Pump Housing Assembly |
| 3 | Magnet |
| 4 | O-ring Seals |
| 5 | Rectangular Section Seal |
| 6 | Control Valve |
| 7 | Flow Control Spring |
| 8 | Reservoir Assembly |
| 9 | Reservoir Capstick |
| 10 | Pump Mounting Studs |
| 11 | Variable Assist Steering Actuator |
| 12 | Retaining Ring |
| 13 | Connector and Fitting Assembly |
| 14 | O-ring Seal |
Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the Description and Operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists. Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. Refer to Symptoms - Power Steering System in order to identify the correct procedure for diagnosing the system and where the procedure is located.
| IMPORTANT | Review the system description and operation in order to familiarize yourself with the system functions. Refer to Power Steering System Description and Operation . |
