🔧 Grand Cherokee - Starter Motor Replacement

The starter motor spins your engine so it can start. On your Grand Cherokee, the starter is mounted low on the engine/transmission area, so you’ll work from underneath to remove the electrical connections and mounting bolts.

Difficulty Level: Intermediate | Estimated Time: 1.0-2.0 hours

---

⚠️ Safety & Precautions

• 🛑 Disconnect the battery negative terminal before touching starter wiring to prevent short circuits.
• 🧊 Let the exhaust and engine cool fully; the starter area can be near hot components.
• 🧱 Support the SUV with jack stands; never work under a vehicle held only by a jack.
• 🧤 Wear eye protection; dirt can fall when removing the splash shield.

---

🔧 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
• Mechanic gloves
• Ratchet
• Socket set (8mm, 10mm, 13mm, 15mm)
• 6" extension
• 12" extension
• Universal swivel joint
• Torque wrench (10–100 ft-lbs range)
• Trim clip tool
• Flathead screwdriver
• Work light

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Starter motor - Qty: 1
• Battery terminal anti-corrosion washers (optional) - Qty: 1
• Dielectric grease (optional) - Qty: 1

---

📋 Before You Begin

• Park on level ground, shift to Park, and set the parking brake.
• Place wheel chocks behind the rear tires.
• Open the hood and disconnect the battery: use a 10mm socket to remove the negative terminal and isolate it so it can’t spring back. Negative terminal is the “-” post.
• Raise the front of the SUV with a floor jack and support it securely on jack stands.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the lower splash shield (if equipped)

• Use a trim clip tool and flathead screwdriver to remove plastic push-pins/clips.
• Use an 8mm socket (if bolts are present) to remove shield fasteners.
• Lower the shield and set it aside.

Step 2: Locate the starter motor

• Use a work light to look up near the transmission bellhousing area on the engine.
• The starter is a small motor with a solenoid (a small cylinder) attached and a thick battery cable going to it.

Step 3: Disconnect the starter electrical connections

• If there’s a protective cap over the large terminal, pull it back by hand or with a flathead screwdriver.
• Remove the large battery cable nut using a 13mm socket, then lift the cable off the stud.
• Remove the small control wire nut (or connector, depending on build) using a 10mm socket, then remove the wire.
• Tip: Keep the nuts with their matching wires.

Step 4: Remove the starter mounting bolts

• Support the starter with one hand.
• Use a 15mm socket with a ratchet and extensions (and a universal swivel joint if needed) to remove the starter mounting bolts.
• Lower the starter out carefully.

Step 5: Install the new starter

• Position the new starter in place and hand-start the mounting bolts to avoid cross-threading.
• Tighten the starter mounting bolts using a 15mm socket and torque wrench: Torque to 54 Nm (40 ft-lbs).

Step 6: Reconnect the starter wiring

• Install the small control wire and tighten with a 10mm socket: Torque to 13 Nm (115 in-lbs).
• Install the large battery cable and tighten with a 13mm socket: Torque to 13 Nm (115 in-lbs).
• Reinstall the protective cap over the large terminal.
• If using dielectric grease, apply a very thin film to the terminal area after tightening. (It helps resist corrosion.)

Step 7: Reinstall the lower splash shield

• Reposition the shield.
• Reinstall bolts with an 8mm socket (if equipped) and push-pins with a trim clip tool.

Step 8: Reconnect the battery and lower the vehicle

• Lower the SUV from the jack stands using the floor jack.
• Reconnect the battery negative terminal using a 10mm socket. Tighten snug (do not overtighten the clamp).

---

✅ After Repair

• Start the engine and confirm it cranks normally (no clicking, no slow crank).
• With the engine running, verify there’s no warning message related to charging/starting.
• Listen for any abnormal grinding noises; if heard, shut off and re-check starter seating and bolt tightness.
• Check under the SUV for any tools left behind and confirm the splash shield is secure.

---

💰 DIY vs Shop Cost

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

DIY Cost: $150-$350 (parts only)

You Save: $300-$550 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-2.0 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.