How to Replace the Starter Motor on a 2014-2018 Subaru Forester (Step-by-Step Guide)
Tools, parts list, safety tips, and torque specs for a smooth DIY starter replacement
How to Replace the Starter Motor on a 2014-2018 Subaru Forester (Step-by-Step Guide)
Tools, parts list, safety tips, and torque specs for a smooth DIY starter replacement for 2014, 2015, 2016, 2017, 2018
🔧 Forester - Starter Motor Replacement
The starter motor is what cranks your engine when you turn the key/start button. On your Forester, it sits on top of the transmission bellhousing, and you’ll typically remove the top-mount intercooler to reach it safely and comfortably.
Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours
⚠️ Safety & Precautions
- 🛑 Disconnect the battery before touching the starter wiring (the main cable is always “live”).
- 🔥 Let the engine cool fully; the turbo/intercooler area gets very hot.
- 🧤 Wear gloves and safety glasses; you’ll work near sharp clamps and brackets.
- ⚡ Do not let a tool bridge between the starter power terminal and metal parts.
🔧 Required Tools
You'll need the following tools for this repair:
- Safety glasses
- Mechanic gloves
- Wheel chocks
- Fender cover
- 10mm socket
- 12mm socket
- 14mm socket
- 3/8" ratchet
- 3/8" torque wrench (10–80 Nm range)
- 6" extension
- 12" extension
- Flathead screwdriver
- Trim clip tool
- Needle-nose pliers
- Flashlight
- Magnetic pickup tool
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Starter motor - Qty: 1
- Dielectric grease - Qty: 1
- Anti-seize compound - Qty: 1
📋 Before You Begin
- Park on level ground, shift to Park, and set the parking brake.
- Open the hood and install a fender cover to protect paint.
- Have a small tray ready for bolts and hose clamps.
- Assumption: This procedure matches the common top-mount-intercooler layout on your Forester; torque values listed are typical—verify with a service manual if available.
🔨 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 tuck it aside so it cannot spring back.
- Tip: Wrap the terminal with a glove.
Step 2: Remove the intercooler (for access)
- Use a flathead screwdriver to loosen the hose clamps on the intercooler couplers (inlet/outlet).
- Use a 12mm socket and 3/8" ratchet to remove the intercooler mounting bolts/brackets.
- Use needle-nose pliers to release any small hose clamps (if equipped), then carefully pull the hoses off.
- Wiggle the intercooler up and out. Use a flashlight to confirm no hose is still attached.
- Tip: Cover open pipes with a clean rag.
Step 3: Locate the starter and identify the two connections
- Use a flashlight to find the starter on top of the transmission bellhousing.
- You’ll see:
- The thick battery cable on a stud (held by a nut).
- The small solenoid connector (a small plug that triggers the starter).
- Tip: Take a quick photo before disassembly.
Step 4: Disconnect the starter wiring
- Use a 12mm socket to remove the nut holding the main power cable to the starter.
- Remove the cable and set it aside so it cannot touch metal.
- Unplug the small solenoid connector by pressing the lock tab and pulling straight off (use needle-nose pliers gently if needed).
- Apply a thin dab of dielectric grease to the small connector seal during reassembly (helps prevent corrosion).
Step 5: Remove the starter mounting bolts
- Use a 14mm socket, 3/8" ratchet, and a 6" extension to remove the starter mounting bolts (typically 2 bolts).
- Support the starter with your free hand as the last bolt comes out.
- If a bolt drops, retrieve it with a magnetic pickup tool.
Step 6: Install the new starter
- Compare the old and new starter (same mounting ears, same electrical posts).
- Position the new starter, then hand-thread the mounting bolts to avoid cross-threading.
- Use a 14mm socket to snug the bolts, then use a 3/8" torque wrench: Torque to 39 Nm (29 ft-lbs).
- Apply a tiny amount of anti-seize compound to the bolt threads if desired (keep it off electrical contacts).
Step 7: Reconnect the starter wiring
- Install the main power cable onto the starter stud and start the nut by hand.
- Use a 12mm socket to tighten the nut securely (do not over-tighten the stud).
- Plug the small solenoid connector back in until it clicks.
- Use a flashlight to confirm cables are routed away from hot/rotating parts.
Step 8: Reinstall the intercooler
- Set the intercooler back into place, aligning the couplers.
- Use a 12mm socket to reinstall the intercooler mounting bolts/brackets.
- Use a flathead screwdriver to tighten the hose clamps.
- Double-check every clamp is tight; a loose clamp can cause a boost leak and poor performance.
Step 9: Reconnect the battery
- Install the negative terminal back onto the battery post.
- Use a 10mm socket to tighten the clamp until it won’t rotate by hand.
✅ After Repair
- Turn the ignition ON and verify no warning lights related to disconnected sensors/hoses (some lights may clear after a few drive cycles if no issue remains).
- Start the engine: it should crank strongly with no clicking or slow cranking.
- Listen for air hissing near the intercooler couplers (indicates a loose clamp).
- Take a short test drive and confirm normal power (no boost leak symptoms like sluggish acceleration).
💰 DIY vs Shop Cost
Shop Cost: ₹18,000-₹35,000 (parts + labor)
DIY Cost: ₹10,000-₹22,000 (parts only)
You Save: ₹8,000-₹13,000 by doing it yourself!
Shop labor rates in Panipat vary, but often run ₹800-₹1,500/hour. This repair takes a shop approximately 1.5-3.0 hours.
🎯 Ready to get started?
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Guide for Starter Motor replace for these Subaru vehicles
| Year Make Model | Sub Model | Engine | Body Style |
|---|---|---|---|
| 2018 Subaru Forester | - | - | - |
| 2017 Subaru Forester | - | - | - |
| 2016 Subaru Forester | - | - | - |
| 2015 Subaru Forester | - | - | - |
| 2014 Subaru Forester | - | - | - |

















