Power Steering Pump Replacement Guide for the 1974-1983 Jeep Cherokee (SJ)
Address steering whine and stiffness by choosing the right power steering pump for your classic SJ Cherokee.
- A persistent whining noise that changes with steering input is the primary symptom of a failing pump.
- You must use a specific power steering pulley puller/installer tool for the job; a standard puller will damage the pulley.
- Brand quality varies significantly. PSC is a high-performance upgrade, BBB is a standard replacement, and Cardone has a poor reputation for reliability in this application.
- Always bleed the system thoroughly after installation by turning the wheels lock-to-lock to remove trapped air and prevent noise.
Is Your Power Steering Pump Failing?
A failing power steering pump on an SJ-generation Jeep Cherokee gives clear warning signs. Ignoring them can lead to a complete loss of power assist, making the vehicle very difficult to steer. Listen and look for these common symptoms.
- Whining Noise: The most common symptom is a distinct whining or groaning sound from the engine bay. This noise often gets louder when you turn the steering wheel. While this can sometimes indicate low fluid or air in the system, a persistent whine usually points to a worn-out pump.
- Stiff Steering: If turning the steering wheel suddenly requires much more effort, especially during parking or slow maneuvers, the pump is likely not generating enough pressure.
- Fluid Leaks: Check for power steering fluid (typically red or clear) on the ground beneath your engine. The pump itself can leak from the main shaft seal located behind the pulley or from the seals on the attached fluid reservoir.
Choosing the Right Aftermarket Pump
For a vintage vehicle like the 1974-1983 Cherokee, new original equipment (OEM) parts are generally not available. Your choice will be between remanufactured or new aftermarket pumps. They fall into different quality and performance tiers.
Performance Upgrade Tier: PSC Motor Sports
If you use your Cherokee for off-roading, have oversized tires, or simply want a significant upgrade in steering feel, PSC is a top-tier choice. These are new, high-performance pumps designed to move more fluid at low engine RPMs, providing stronger and more reliable steering assist under load. This performance comes at a higher price, placing it at the top of the available price range.
Standard Replacement Tier: BBB Industries
For a daily driver or stock restoration, a remanufactured pump from a brand like BBB Industries is a common choice. These pumps are designed to meet original factory specifications and offer a balance of affordability and reliability. While quality of remanufactured parts can vary, owner feedback is generally more favorable for BBB compared to budget options. They represent a solid mid-range option.
Budget Tier: Cardone (A1 Cardone)
Replacement Cost
The cost to replace the power steering pump on your Cherokee will depend on the brand you choose and whether you do the work yourself. The job requires a special tool to remove and install the pulley.
| Item | Estimated Cost |
|---|---|
| Aftermarket Power Steering Pump | $79.89 - $247.52 |
| Shop Labor | $200 - $350 |
| Total Estimated Cost | $280 - $600 |
Frequently Asked Questions (FAQ)
Can I replace the power steering pump myself?
Yes, this is a DIY-feasible job for someone with moderate mechanical experience. You will need a specific power steering pump pulley puller/installer tool, which can often be rented from auto parts stores. The process involves removing the drive belt, disconnecting the fluid lines, unbolting the pump, and carefully swapping the pulley to the new unit.
Do I need to bleed the system after replacement?
Yes, this is a critical step. After installing the new pump, fill the reservoir and, with the engine off and front wheels lifted off the ground, turn the steering wheel from lock to lock about 20 times. This forces air out of the system. Top off the fluid, start the engine, and repeat the process until the whining noise disappears.
Why can't I just use a regular gear puller for the pulley?
The pulley is press-fit onto the pump shaft and does not have lips for a standard jaw puller to grab. Using the wrong tool will damage the pulley, which is often reused on the new pump. The correct tool clamps around the hub of the pulley to pull it off safely.
My new pump is still whining. Is it defective?
It might be, especially with budget brands. However, first ensure the system is completely bled of air, as trapped air is the most common cause of whining after a replacement. Also, check that the drive belt is properly aligned and tensioned. If the noise persists after thorough bleeding, the pump itself may be faulty.
Technical Specifications
The 1974-1983 Jeep Cherokee typically uses a Saginaw P-Series style power steering pump with a press-on pulley and an integrated or bolt-on steel reservoir.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.