🔧 Tucson - Starter Motor Replacement

The starter motor cranks your engine when you turn the key or press the start button. If it’s failing, you may hear a click/no-crank, slow cranking, or intermittent starting. On your Tucson, the starter is mounted to the transmission bellhousing and is reached from the top and sometimes from underneath for the lower fastener.

Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours

---

⚠️ Safety & Precautions

• ⚠️ Disconnect the negative battery cable first—starter power cable is always “hot” and can short to ground.
• ⚠️ Let the engine cool before working near the exhaust and radiator fan area.
• ⚠️ Support the vehicle with jack stands if you go underneath—never rely on a floor jack alone.
• ⚠️ Keep keys/fob away from the vehicle while you work to prevent an accidental crank attempt.

---

🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Mechanic gloves
• Wheel chocks
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• 10mm socket
• 12mm socket
• 14mm socket
• 3/8" drive ratchet
• 3/8" drive extension set
• 3/8" drive universal joint
• 1/4" drive ratchet
• 1/4" drive extension
• Torque wrench (1/4" drive, inch-lb)
• Torque wrench (3/8" drive, ft-lb)
• Flat-blade screwdriver
• Trim clip remover
• Pliers
• Work light

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Starter motor - Qty: 1
• Starter electrical terminal nut - Qty: 1
• Dielectric grease - Qty: 1

---

📋 Before You Begin

• Park on level ground, shift to Park, and set the parking brake.
• Open the hood and remove the engine cover (pull up by hand) if equipped.
• Disconnect the battery: use a 10mm socket to remove the negative (-) cable first, then position it so it can’t spring back to the terminal.
• If you’ll work from underneath, chock the rear wheels, lift the front with a floor jack, and support with jack stands at the proper lift points.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the air intake ducting (for access)

• Loosen the intake hose clamps using a flat-blade screwdriver.
• Unclip/remove the intake duct and resonator pieces (if equipped) and set them aside.
• Tip: Take a quick photo before removal.

Step 2: Remove the air cleaner box (if it blocks access)

• Unplug the air box/duct sensors by releasing the connector tab with your fingers (no tools if possible).
• Remove air box fasteners using a 10mm socket.
• Lift the air box straight up to release it from rubber grommets.

Step 3: Locate the starter and label the wiring

• The starter sits at the front side of the engine/transmission joint (bellhousing area).
• Identify the large battery cable (thick wire) and the small control connector (thin wire).
• Tip: Masking tape labels prevent mix-ups.

Step 4: Disconnect the starter electrical connections

• Remove the protective rubber boot from the large starter terminal by pulling it back by hand.
• Remove the nut from the main terminal using a 12mm socket, then lift the cable off and position it safely aside.
• Disconnect the small starter solenoid connector by pressing the tab and pulling it straight off (use pliers gently only if stuck).
• During reassembly: Torque the starter main terminal nut to 9.8 Nm (87 in-lbs).

Step 5: Remove the starter mounting bolts

• Remove the upper starter bolt using a 14mm socket with a 3/8" drive ratchet and extension.
• Remove the lower starter bolt using a 14mm socket with a universal joint and extension. (A universal joint is a swivel that helps the socket turn at an angle.)
• Support the starter with your free hand as the last bolt comes out.
• During reassembly: Torque the starter mounting bolts to 49 Nm (36 ft-lbs).

Step 6: Remove the starter motor

• Wiggle the starter straight out from the bellhousing.
• If it feels stuck, gently rotate it and pull—do not pry hard on aluminum surfaces.

Step 7: Install the new starter

• Compare the old and new starter (same mounting ears, same terminal locations).
• Slide the new starter into place, lining up the dowel/bolt holes.
• Hand-start both mounting bolts to avoid cross-threading, then tighten with a 14mm socket.
• Torque the starter mounting bolts to 49 Nm (36 ft-lbs) using a torque wrench (3/8" drive, ft-lb).

Step 8: Reconnect starter wiring

• Reconnect the small solenoid connector until it clicks.
• Install the main battery cable to the starter terminal and tighten using a 12mm socket.
• Torque the starter main terminal nut to 9.8 Nm (87 in-lbs) using a torque wrench (1/4" drive, inch-lb).
• Reposition the rubber boot over the main terminal.
• Apply a thin film of dielectric grease inside the boot area if desired.

Step 9: Reinstall the air box and intake ducting

• Set the air box back into its rubber grommets and install fasteners using a 10mm socket.
• Reconnect any unplugged connectors.
• Reinstall the intake ducting and tighten clamps using a flat-blade screwdriver.

Step 10: Reconnect the battery

• Reconnect the negative (-) battery terminal using a 10mm socket.
• Make sure the terminal is snug and cannot rotate by hand.

---

✅ After Repair

• Start the engine and confirm it cranks strongly with no clicking or slow crank.
• Listen for abnormal grinding noises during crank (stop immediately if heard).
• Check that no warning lights appeared and that the intake hose clamps are tight (no hissing/air leaks).
• If you lifted the vehicle, remove tools, lower it safely, and recheck the battery terminal tightness.

---

💰 DIY vs Shop Cost

Shop Cost: $450-$850 (parts + labor)

DIY Cost: $180-$450 (parts only)

You Save: $270-$400 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.5-3.0 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.