🔧 Sedona - Starter Motor Replacement

The starter motor spins the engine to begin starting. If it’s failed (clicking, slow crank, or no crank with good battery), replacing the starter restores reliable starts.

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

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⚠️ Safety & Precautions

• 🛑 Disconnect the negative battery cable first to prevent a short circuit.
• 🛑 Support the van on jack stands; never work under a vehicle held only by a jack.
• 🛑 Let the exhaust/catalytic area cool before working nearby.
• 🛑 Keep the starter’s main power cable from touching metal while disconnected.

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🔧 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 extensions (3" and 6")
• 3/8" drive wobble extension
• Torque wrench (10-100 ft-lbs range)
• Flat trim tool
• Phillips screwdriver
• Pliers
• Small wire brush
• Work light

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Starter motor assembly - Qty: 1
• Starter electrical terminal nut (if not included) - Qty: 1
• Intake hose clamp (optional, if damaged) - Qty: 1

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📋 Before You Begin

• 🧰 Park on level ground, shift to Park, and set the parking brake.
• 🧰 Chock the rear wheels.
• 🧰 Open the hood and plan to disconnect the battery (negative cable first).
• 🧰 A wobble extension helps reach angled bolts. (It’s an extension that flexes slightly.)
• 🧰 A torque wrench tightens bolts accurately.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Disconnect the battery

• Use a 10mm socket to loosen the negative battery terminal clamp.
• Lift the negative cable off and secure it so it can’t spring back to the post.

Step 2: Raise and support the van

• Place wheel chocks behind the rear tires.
• Use a floor jack (rated 3-ton minimum) to lift the front.
• Set the van down on jack stands (rated 3-ton minimum) at the proper support points.

Step 3: Remove the lower splash shield (under cover)

• Use a flat trim tool to pop out plastic clips.
• Use a Phillips screwdriver to remove any screws holding the under cover.
• Set all fasteners aside in a small tray.

Step 4: Create access from the top (intake duct)

• Use pliers to release any spring clamps on the intake duct.
• Use a Phillips screwdriver to loosen worm-gear clamps (if equipped).
• Lift the intake duct/air inlet tube out of the way for better visibility down to the starter area.

Step 5: Locate the starter

• From underneath (and looking up), find the starter where the engine meets the transmission bellhousing.
• It will have a thick battery cable attached and a smaller electrical connector on the solenoid.

Step 6: Disconnect starter wiring

• Unplug the small solenoid connector by pressing the tab and pulling it off by hand.
• Use a 12mm socket to remove the nut holding the main battery cable to the starter terminal.
• Move the cable aside so it cannot touch metal.
• Use a work light to confirm nothing is still attached.

Step 7: Remove the starter mounting bolts

• Use a 14mm socket with a 3/8" drive ratchet and 3/8" drive extensions (3" and 6") to remove the starter mounting bolts.
• If the angle is tight, switch to a 3/8" drive wobble extension.
• Support the starter with one hand as the last bolt comes out.

Step 8: Remove the starter

• Work the starter out through the opening (usually easiest from underneath).
• Compare the old and new starter: mounting ears, electrical studs, and connector should match.

Step 9: Install the new starter

• Position the new starter into place by hand.
• Start the mounting bolts by hand first to prevent cross-threading.
• Use a 14mm socket to snug the bolts evenly.
• Torque to 45 Nm (33 ft-lbs) using a torque wrench (10-100 ft-lbs range).

Step 10: Reconnect the wiring

• Clean the cable eyelet and starter terminal with a small wire brush if corroded.
• Install the main battery cable and tighten the terminal nut with a 12mm socket.
• Torque to 11 Nm (8 ft-lbs) using a torque wrench (10-100 ft-lbs range).
• Reconnect the small solenoid connector until it clicks into place.

Step 11: Reinstall intake duct and splash shield

• Reinstall the intake duct and tighten clamps using a Phillips screwdriver or pliers (whichever matches your clamp type).
• Reinstall the under cover using the Phillips screwdriver and flat trim tool for clips.

Step 12: Lower the van and reconnect the battery

• Use the floor jack (rated 3-ton minimum) to lift slightly, remove the jack stands (rated 3-ton minimum), then lower the van.
• Reconnect the negative battery cable using a 10mm socket.

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✅ After Repair

• 🧪 Start the engine and confirm it cranks strongly with no clicking.
• 🧪 Check that no warning lights appear related to low voltage.
• 🧪 Listen near the starter area for abnormal grinding; shut off immediately if heard.
• 🧪 Recheck underneath for any loose wiring and confirm the splash shield is secure.

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💰 DIY vs Shop Cost

Shop Cost: $500-$950 (parts + labor)

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

You Save: $320-$500 by doing it yourself!

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

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🎯 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.

Assumption: typical 3.3L starter access is from underneath near the transmission bellhousing.