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.
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HOMESERVICE MANUALSFORD2004MUSTANG BASE, 2D COUPE, 3.9 6, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2396 (STEERING SYSTEM - HYDRAULIC POWER ASSIST STEERING (HPAS))DIAGNOSIS AND TESTINGSTEERING SYSTEMINSPECTION AND VERIFICATIONNOTES
2004 Ford Mustang Base, 2D Coupe, 3.9 6, Automatic
Inspection and Verification: Notes
2004 Ford Mustang Base, 2D Coupe, 3.9 6, AutomaticSECTION Notes
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical damage.VISUAL INSPECTION TABLE
Mechanical - Fluid level
- Tire pressure
- Tires
- Drive belt
- Drive belt tensioner
- Steering column alignment
- Tie-rod ends
- Suspension components
- Steering column shaft U-joints
- Intermediate shaft bolts
- Power steering reservoir baffle
- Power steering reservoir screen
- Power steering pressure lines, fittings or O-rings
- Power steering return hoses and clamps
- Steering gear
- Power steering pump
- Power steering pressure switch
- Inspect the power steering fluid for the following conditions:
- Aeration or foam: Purge the power steering system. Refer to POWER STEERING SYSTEM PURGING in this service information.
- Overheating or contamination: Flush the power steering system. Refer to POWER STEERING SYSTEM FLUSHING in this service information.
NOTE:
It may be necessary to add power steering fluid to achieve the correct level.
RENDER: 1.0x
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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.