🔧 Telluride - Starter Motor Replacement

The starter motor spins your engine fast enough to start. On your Telluride, the starter is mounted to the transmission bellhousing and is usually accessed from underneath after removing the lower splash shield.

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

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⚠️ Safety & Precautions

• ⚠️ Disconnect the negative battery cable first to prevent a short.
• ⚠️ Support the Telluride on jack stands; never rely on a floor jack.
• ⚠️ Let the exhaust cool before working underneath.
• ⚠️ Keep tools off the starter’s main power stud; it’s direct battery power.

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🔧 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
• 10mm socket
• 12mm socket
• 14mm socket
• 3/8" drive ratchet
• 3/8" drive torque wrench (10–100 ft-lbs range)
• 6" socket extension
• 12" socket extension
• Universal joint adapter
• Trim clip remover
• Flat-blade screwdriver
• Flashlight

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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 kit - Qty: 1

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📋 Before You Begin

• Park on level ground, shift to Park, and set the parking brake.
• Open the hood and make sure you have your radio presets noted (battery will be disconnected).
• Disconnect the battery: use a 10mm socket to remove the negative (-) terminal first, then isolate it so it can’t spring back.
• Raise the front safely: use a floor jack at the front center jack point, then support with jack stands at the approved front support points.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the lower engine cover (splash shield)

• Use a trim clip remover and flat-blade screwdriver to remove the plastic clips.
• Use a 10mm socket to remove any 10mm bolts holding the cover.
• Set the cover and fasteners aside in a tray. Take a quick photo for reassembly.

Step 2: Locate the starter motor

• Use a flashlight and look where the engine meets the transmission (bellhousing area).
• The starter is a small motor with a thicker main power cable and a smaller control wire on its solenoid.

Step 3: Remove the starter electrical connections

• Remove any protective rubber boot over the main power stud by hand.
• Use a 12mm socket to remove the nut on the main power cable (B+), then lift the cable off and move it aside.
• Disconnect the smaller starter control connector by pressing the lock tab and pulling it straight off. Don’t pull on the wire.
• Torque on reassembly: Starter main terminal nut Torque to 9–12 Nm (80–106 in-lbs)

Step 4: Remove the starter mounting bolts

• Support the starter body with one hand so it doesn’t drop when the bolts come out.
• Use a 14mm socket with a 6" extension (and a universal joint adapter if needed) to remove the starter mounting bolts.
• Pull the starter straight out from the bellhousing.
• Torque on reassembly: Starter mounting bolts Torque to 50–60 Nm (37–44 ft-lbs)

Step 5: Compare the old and new starter

• Make sure the new starter matches the old one (mounting ears, electrical studs, and nose length).
• Wipe the mounting surface clean with a dry rag so it sits flat.

Step 6: Install the new starter

• Position the starter into the bellhousing opening and start the mounting bolts by hand to avoid cross-threading.
• Use a 14mm socket to snug the bolts, then use a torque wrench.
• Torque: Starter mounting bolts Torque to 50–60 Nm (37–44 ft-lbs)

Step 7: Reconnect the starter wiring

• Reconnect the small control connector until it clicks.
• Install the main power cable on the stud and tighten with a 12mm socket.
• Reinstall the rubber boot fully over the stud.
• Torque: Starter main terminal nut Torque to 9–12 Nm (80–106 in-lbs)

Step 8: Reinstall the lower engine cover

• Reposition the cover and start all fasteners by hand.
• Use a 10mm socket to reinstall the bolts and press the clips back in.

Step 9: Reconnect the battery and lower the vehicle

• Lower the Telluride off the jack stands using the floor jack.
• Reconnect the negative (-) battery terminal using a 10mm socket.
• Torque: Battery terminal clamp nut Torque to 5–6 Nm (44–53 in-lbs)

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✅ After Repair

• Start the engine and confirm it cranks strongly with no clicking or grinding.
• With the engine running, check under the vehicle for any loose wiring near the starter.
• If you had any warning lights after battery disconnect, take a short drive and recheck (many modules relearn after a drive cycle).

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💰 DIY vs Shop Cost

Shop Cost: $650-$1,050 (parts + labor)

DIY Cost: $180-$420 (parts only)

You Save: $470-$630 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.

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