🔧 Starter Motor - Replacement

The starter on your Grand Cherokee is mounted low on the engine/transmission side, so this job is mostly about gaining access, disconnecting the battery, and swapping the unit cleanly. Take your time with the electrical connections and support the starter while removing the last bolt.

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

---

⚠️ Safety & Precautions

• Disconnect the negative battery cable before touching the starter cables. The starter has direct battery power at all times.
• Use jack stands if you need to work from underneath. Never rely on a jack alone.
• Keep hands and tools away from the exhaust; parts can stay hot for a long time.
• If your Grand Cherokee has Auto Start-Stop, make sure the battery is fully disconnected before starting the repair.
• Do not let the starter hang by the wiring. Support it as you remove the last bolt.

---

🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 13mm socket
• 15mm socket
• Ratchet
• 3-inch extension
• 6-inch extension
• Universal joint socket adapter
• Torque wrench
• Flat blade trim tool
• Battery terminal wrench
• Floor jack (rated 3-ton minimum)
• Jack stands (rated for vehicle weight)
• Wheel chocks
• Safety glasses
• Mechanic gloves

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Starter motor - Qty: 1
• Starter mounting bolts - Qty: 2
• Battery terminal cleaning brush - Qty: 1

---

📋 Before You Begin

• Park on level ground and set the parking brake.
• Shift to PARK and chock the wheels.
• Open the hood and disconnect the negative battery terminal first using a battery terminal wrench.
• Wait at least 5 minutes after disconnecting the battery before working near electrical connectors.
• If access is tight, raise the front of the vehicle and support it with jack stands.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Disconnect the battery

• Use a battery terminal wrench to remove the negative battery cable first.
• Move the cable aside so it cannot touch the battery post.

Step 2: Open up the work area

• Use a flat blade trim tool to remove the intake duct or airbox pieces that block access to the starter area, if equipped.
• Set all clips and fasteners aside in order.
• Keep hardware grouped by location.

Step 3: Raise the vehicle if needed

• If top access is limited, use a floor jack to lift the front safely.
• Place jack stands under the proper support points and lower the vehicle onto them.
• Remove the front splash shield or lower cover with a 10mm socket or 15mm socket, depending on fastener style.

Step 4: Disconnect the starter wiring

• Locate the starter electrical connections.
• Use a 10mm socket to remove the small signal wire nut.
• Remove the battery cable fastener with a 13mm socket.
• Move both wires aside so they cannot short to ground.

Step 5: Remove the starter mounting bolts

• Use a 13mm socket with a 6-inch extension and universal joint socket adapter to remove the starter mounting bolts.
• Support the starter with one hand as you remove the last bolt.
• Lower the starter out carefully through the access opening.

Step 6: Compare and prep the new starter

• Compare the new starter to the old one to confirm the mounting ears and electrical terminals match.
• Transfer any brackets only if the replacement starter requires it.
• Do not force the terminals.

Step 7: Install the new starter

• Position the new starter in place by hand first.
• Install the mounting bolts finger-tight using a 13mm socket.
• Torque the starter mounting bolts to 41 Nm (30 ft-lbs).

Step 8: Reconnect the wiring

• Reconnect the main battery cable and tighten it with a 13mm socket.
• Reconnect the small trigger wire and tighten it with a 10mm socket.
• Make sure both connections are snug and fully seated.

Step 9: Reassemble the intake and covers

• Reinstall the splash shield, air ducting, or airbox parts using the 10mm socket and trim tool.
• Reinstall all clips and fasteners in the same locations they came from.

Step 10: Restore power and test

• Reconnect the negative battery cable using the battery terminal wrench.
• Start the engine and listen for a clean crank.
• Check for warning lights and confirm the charging system is working normally.

---

✅ After Repair

• Start the engine several times to confirm normal starter engagement.
• Check battery terminals for tightness.
• Inspect the starter area for loose tools, wires, or contact with the exhaust.
• If the battery was weak before the repair, have it tested after the job.

---

💰 DIY vs Shop Cost

Shop Cost: $550-$950 (parts + labor)

DIY Cost: $180-$320 (parts only)

You Save: $270-$630 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.