🔧 Wrangler - Power Steering Pump Replacement

Replacing the power steering pump on your Wrangler fixes leaks, whining noises, and heavy steering caused by a worn pump. You’ll remove the serpentine belt, transfer the pulley to the new pump, swap the hoses, then bleed air out of the steering system.

Difficulty Level: Intermediate | Estimated Time: 2-4 hours

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⚠️ Safety & Precautions

• 🛑 Support the Wrangler with jack stands before working underneath.
• 🧤 Power steering fluid is slippery and flammable—wipe spills immediately and keep away from hot exhaust.
• 🔥 Let the engine cool before working near the belt drive and radiator.
• ⚠️ Do not hold the steering at full lock during bleeding—this can overpressure the system.
• 🔋 Battery disconnect is not required, but keep hands/tools clear of the fan and belt path.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Safety glasses
• Nitrile gloves
• Drain pan (at least 2-gallon)
• Funnel
• Shop rags
• Metric socket set (8mm-18mm)
• 3/8" drive ratchet
• 3/8" drive torque wrench (10-150 ft-lbs range)
• Serpentine belt tool (3/8" drive)
• Metric combination wrench set (10mm-18mm)
• Line wrench set (metric)
• Flat-blade screwdriver
• Hose clamp pliers
• Power steering pulley puller/installer kit (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Power steering pump - Qty: 1
• Power steering pressure line sealing washers - Qty: 2
• Power steering return hose clamp - Qty: 1
• Power steering fluid (Chrysler MS-11655 spec) - Qty: 2 quarts
• Serpentine belt - Qty: 1

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📋 Before You Begin

• 🧰 Park on level ground, set the parking brake, and chock the rear wheels.
• Lift the front end with a floor jack and support with jack stands so the front tires can turn freely during bleeding.
• Place a drain pan under the pump area to catch fluid.
• If your Wrangler still has the splash shield installed under the front, remove it using the socket set and flat-blade screwdriver (fastener style varies).

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Relieve belt tension and remove the serpentine belt

• Use a serpentine belt tool (3/8" drive) or 3/8" ratchet to rotate the belt tensioner and slide the belt off the power steering pump pulley.
• Take a photo of belt routing first.

Step 2: Drain the power steering fluid from the reservoir/return side

• Remove the reservoir cap.
• Use hose clamp pliers to release the return hose clamp at the pump/reservoir connection (depending on hose routing).
• Twist the hose free carefully by hand; use a flat-blade screwdriver gently if it’s stuck.
• Direct the hose into the drain pan and let it drain.

Step 3: Disconnect the pressure line from the pump

• Clean the area around the pressure fitting using shop rags so dirt doesn’t enter the system.
• Use a line wrench set (metric) to loosen the pressure line fitting at the pump (or banjo bolt style connection, depending on your hose).
• Remove the fitting/bolt and catch fluid in the drain pan.
• Replace the seals: install new sealing washers if your setup uses them.

Step 4: Remove the power steering pump

• Remove pump mounting bolts using a metric socket set and 3/8" ratchet.
• Remove the pump from the bracket and bring it to a clean work surface.

Step 5: Transfer the pulley to the new pump

• Use a power steering pulley puller/installer kit (specialty) to pull the pulley off the old pump.
• A pulley puller/installer is a tool set that presses the pulley on/off without bending it.
• Use the same pulley puller/installer kit to press the pulley onto the new pump.
• Press it until the pulley sits flush to the same depth as it was on the old pump (match your before/after position).
• Do not hammer the pulley on.

Step 6: Install the new pump

• Position the new pump on the bracket and start all mounting bolts by hand.
• Tighten with a metric socket set and finish with a torque wrench.
• Torque to 54 Nm (40 ft-lbs) for the power steering pump mounting bolts.

Step 7: Reconnect the pressure and return lines

• Install the pressure line fitting/bolt by hand first to avoid cross-threading.
• Tighten using a line wrench set (metric) and finish with a torque wrench if accessible.
• Torque to 31 Nm (23 ft-lbs) for the pressure connection if it uses a banjo bolt.
• Reconnect the return hose and install a new return hose clamp using hose clamp pliers.

Step 8: Reinstall the serpentine belt

• Route the belt correctly around all pulleys.
• Use the serpentine belt tool (3/8" drive) to rotate the tensioner and slip the belt onto the power steering pump pulley last.
• Visually confirm the belt is fully seated in every pulley groove.

Step 9: Fill and bleed the power steering system

• Fill the reservoir using a funnel with power steering fluid (Chrysler MS-11655 spec) to the cold mark.
• With the engine OFF and front wheels off the ground, turn the steering wheel slowly lock-to-lock 15-20 times.
• Check fluid level and top off as needed.
• Start the engine and let it idle. Turn lock-to-lock slowly 5-10 times.
• Shut off the engine, wait 2 minutes, recheck fluid, and top off to the correct mark.
• Foamy fluid means air—keep bleeding.

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✅ After Repair

• 🧪 With the engine idling, inspect for leaks at the pressure fitting and return hose using a bright light.
• Turn the steering wheel and confirm the assist is smooth and quiet.
• Reinstall any splash shields using the socket set and lower the Wrangler off the jack stands.
• Recheck the fluid level after a short 5-10 minute drive and top off if needed.

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💰 DIY vs Shop Cost

Shop Cost: $450-$900 (parts + labor)

DIY Cost: $150-$450 (parts only)

You Save: $300-$450 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-3 hours.

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🎯 Ready to get started?

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