Ford Mustang (1999-2004) Service Manual: Inspection and Verification
CAUTION: Do not hold the steering wheel (3600) at the stops for an extended amount of time. Damage to the power steering pump (3A674) will result.
NOTE: Make the following preliminary checks before repairing the steering system:
1. Verify the customer concern by operating the steering system.
2. Inspect Tires
- Check the tire pressure. Refer to the Vehicle Certification (VC) label.
- Verify that all tires are sized to specification.
- Check the tires for damage or uneven wear.
3. Belt and Tensioner Check
4. Fluid Level Check
- Verify that the power steering fluid level is within the appropriate indicated range, hot forthe 3.8L engine and cold for the 4.6L engine. Add Motorcraft MERCON Multi-PurposeATF XT-2-QDX or MERCON equivalent.
5. Air Bleeding
- Verify that there is no air in the power steering system. Run the engine (6007) until itreaches normal operating temperature. Turn the steering wheel to the left and rightseveral times without hitting the stops. If any air bubbles are present, refer to Purging-CII Power Steering Pump or Purging-CIII Power Steering Pump in this section.
External Leak Check - Typical Power Rack-and-Pinion Steering Gear

6. External Leak Check
- With the ignition switch at OFF, wipe off the power steering pump, power steering hoses, power steering fluid cooler (3D746) and steering gear (3504).
- With the engine running, turn the steering wheel from stop-to-stop several times. Do not hold steering wheel at stops. Check for leaks. Repair as necessary if leaks are observed.
7. Turning Effort Check
- Refer to Turning Effort Test under Component Tests in this section.
8. Visually inspect for obvious signs of mechanical damage; refer to the following chart.
Visual Inspection Chart
| Mechanical |
|
9. If an obvious cause for an observed or reported malfunction is found, correct the cause (if possible) before proceeding to the next step.
10. If the fault is not visually evident, determine the symptom and proceed to the following symptom chart.
Steering System (Diagnosis and Testing)
Special Tool(s)
Dial Thermometer 0-220F
023-R0007 or Equivalent
Hand Held Automotive Meter
105-R0053 or Equivalent
Power Steering Analyzer
211-F001 (014-00207) or
Equ ...
Steering System Symptom Definitions
Drift/Pull
Pull is a tugging sensation, felt by the hands on the steering wheel, that
must be overcome to keep the
vehicle going straight.
Drift describes what a vehicle with this condition does wit ...
Other materials:
Removal
1. Disconnect the battery ground cable. For additional information, refer
to Section.
2. Remove the engine air cleaner outlet pipe. For additional information,
refer to Section.
3. Disconnect the vacuum hose and the idle air control (IAC) valve
elect ...
General information on radio frequencies
This device complies with part 15 of the FCC Rules and with Industry
Canada license-exempt RSS standard(s). Operation is subject to the
following two conditions: (1) This device may not cause harmful
interference, and (2) This device must accept any interferen ...
Pinpoint Test F: LFC 16/DTC B1888 - Passenger Air Bag Circuit Shorted to
Ground
Normal Operation
The restraints control module (RCM) checks for passenger air bag circuit
shorts to ground by
monitoring the voltage of circuits 607 (LB/OG) and 616 (PK/BK) at pins 6 and
7. If the RCM detects a
short to ground on either of these pins, i ...
