🔧 3500 - Power Steering Pump Replacement

On your 3500, the power steering pump is belt-driven and supplies hydraulic pressure to the steering gear (and on some trucks, the brake booster too). Replacing it involves removing the serpentine belt, disconnecting the pressure/return lines, swapping the pump, then refilling and bleeding the system to prevent noise and steering/brake assist issues.

Difficulty Level: Intermediate | Estimated Time: 2.0-4.0 hours

---

⚠️ Safety & Precautions

• ⚠️ Let the engine cool fully before working near the belt and exhaust.
• ⚠️ Power steering fluid under pressure can spray—wear eye protection and relieve pressure by keeping the engine OFF before cracking any line.
• ⚠️ Support the truck securely if you raise it—never rely on a jack alone.
• ⚠️ Keep fluid off the serpentine belt and pulleys; it can cause belt slip and loss of steering assist.
• ✅ Battery disconnect is not usually required, but disconnect the negative terminal if your hands/tools will be near the starter or main power cables.

---

🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Drain pan (at least 2-gallon)
• Shop rags
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• 3/8" drive ratchet
• 1/2" drive ratchet
• Socket set (metric, 8mm-18mm)
• Serpentine belt tool (specialty)
• Line wrench set (flare nut wrenches, metric)
• Torque wrench (10-100 ft-lbs)
• Flat-blade screwdriver
• Hose clamp pliers
• Pulley puller/installer set (specialty)
• Funnel

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Power steering pump - Qty: 1
• Power steering pump O-ring/seal kit - Qty: 1
• Power steering fluid (Mopar-approved for your 3500) - Qty: 2 quarts
• Serpentine belt - Qty: 1 Replace if soaked/cracked
• Return hose clamp - Qty: 1 If original is weak

---

📋 Before You Begin

• Park on level ground, set the parking brake, and chock the rear wheels.
• Turn the steering wheel so the front wheels point straight ahead.
• Place a drain pan under the front of the engine where the pump and hoses sit.
• If you lift the front for access, raise with a floor jack and support with jack stands under the frame.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm your brake booster type (important)

• Look at the driver-side firewall behind the master cylinder.
• If you see a large round “can” booster, that’s a vacuum booster.
• If you see a smaller unit with power steering hoses going to it, that’s Hydro-Boost (steering pump also feeds brake assist).
• Reply with: Vacuum booster or Hydro-Boost so I can give you the correct bleeding and safety steps.

Step 2: Check whether your replacement pump comes with a pulley

• Some pumps come “bare” (no pulley). Some come with the pulley installed.
• If it’s bare, you must transfer your pulley using a pulley puller/installer (a tool that removes/presses the pulley on without damaging the pump shaft).
• Reply with: Pulley included or No pulley.

Step 3: Stop here so I can provide exact, trim-correct steps and torque specs

• Once you answer the two items above, I’ll lay out the full removal/installation sequence for your 3500, including the correct bleed procedure and Torque to XX Nm (YY ft-lbs) values for the pump, line fittings, and any brackets.

---

✅ After Repair

• Do not drive until the system is properly filled and bled—air in the system can cause loud whining and poor assist.
• Recheck fluid level after a short test drive and inspect all fittings/hoses for seepage.

---

💰 DIY vs Shop Cost

Shop Cost: $600-$1,200 (parts + labor)

DIY Cost: $180-$550 (parts only)

You Save: $420-$650 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-4 hours.

---

🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.