Mustang GT V8-4.6L SOHC VIN X (1998)
Power Steering Pump: Service and Repair
Flushing
Flushing
If contamination is found in the power steering system, flush the power steering pump as follows:
1. Make sure all other hoses are connected, then disconnect the power steering pressure hose at the power rack and pinion steering gear.
2. Place the power steering pressure hose in a container.
3. Fill the power steering oil reservoir with MERCON0 Multi-Purpose (ATF) Transmission Fluid XT-2-QDX or equivalent.
4. Disconnect the ignition coil wire.
5. While adding approximately 1.9 liters (0.5 gallon) of fluid, turn ignition switch to the START position, and crank the engine with the starter
motor. As soon as all fluid has been added, turn the ignition switch to the OFF position.
6. Connect the power steering pressure hose at the power rack and pinion steering gear.
7. Check the fluid level.
8. Crank the engine with the starter motor and add MERCON Multi-Purpose (ATF) Transmission Fluid XT-2-QDX or equivalent until the level
remains constant.
9. Lower vehicle and connect the ignition coil wire.
10. Start the engine and turn the steering wheel from lock-to-lock to expel any air trapped in the system. This will restore normal steering action.
Cleaning
Clean the exterior of the power steering pump with solvent.
