Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Isuzu Ascender S, 5.3 M, 4WDFACTORY OEM SERVICE PROCEDURE
Section 393 (Power Steering System)
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Component Locator
- Diagnostic Information & Procedures
- Diagnostic Starting Point - Power Steering System (w/o Electro-Hydraulic Steering)
- Symptoms - Power Steering System
- Power Steering System Test
- Power Steering Fluid Leaks
- Rattle, Clunk, or Shudder Noise from the Power Steering System (4.2L)
- Rattle, Clunk, or Shudder Noise from the Power Steering System (Except 4.2L)
- Whine or Growl Noise from the Power Steering System
- Poor Return of Steering Wheel
- Steering Effort Too Easy in One or Both Directions
- Steering Effort Hard in One or Both Directions
- Repair Instructions
- Rack & Pinion Steering Linkage Inspection
- Power Steering System Bleeding
- Checking & Adding Power Steering Fluid
- Power Steering System Flushing
- Power Steering Pump Pulley Replacement (4.2L)
- Power Steering Pump Pulley Replacement (Except 4.2L)
- Power Steering Pump Replacement (4.2L)
- Power Steering Pump Replacement (Except 4.2L)
- Power Steering Pump Bracket Replacement
- Power Steering Fluid Reservoir Replacement - Off Vehicle (CB Series)
- Power Steering Pump Flow Control Valve Replacement - Off Vehicle (CB Series)
- Power Steering Pump Shaft Seal Replacement (CB)
- Rack and Pinion Outer Tie Rod End Replacement
- Power Steering Fluid Cooler Replacement (4.2L)
- Power Steering Fluid Cooler Replacement (Except 4.2L)
- Power Steering Gear Inlet & Outlet Hose Replacement (4.2L)
- Power Steering Gear Inlet & Outlet Hose Replacement (Except 4.2L)
- Steering Gear Replacement
- Steering Gear Rack Bearing Preload Adjustment - Off Vehicle
- Steering Gear Boot Replacement - Off Vehicle
- Steering Gear Inner Tie Rod Replacement - Off Vehicle (Magnasteer)
- Steering Gear Inner Tie Rod Replacement - Off Vehicle (Quiet Valve)
- Steering Gear Cylinder Pipe Assembly & Seals Replacement - Off Vehicle
- Steering Gear Stub Shaft Seal & Bearing Replacement - Off Vehicle
- Description & Operation
- Special Tools & Equipment
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.