How to Replace the Starter Motor on a 2018 Nissan Altima (Step-by-Step Guide)
Tools, parts list, safety tips, access variations (push-button vs key), and torque specs to finish the job for 2013, 2014, 2015, 2016, 2017, 2018, 2019
How to Replace the Starter Motor on a 2018 Nissan Altima (Step-by-Step Guide)
Tools, parts list, safety tips, access variations (push-button vs key), and torque specs to finish the job for 2013, 2014, 2015, 2016, 2017, 2018, 2019
🔧 Altima - Starter Motor Replacement
I can walk you through replacing the starter on your Altima, but there are a couple of factory variations that change the access steps (and the exact torque specs).
Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours
⚠️ Safety & Precautions
- ⚠️ Disconnect the negative battery cable before touching the starter wiring.
- ⚠️ Let the engine cool; the exhaust and catalytic converter area can burn you.
- ⚠️ Support the car with jack stands if you go underneath.
🔧 Required Tools
You'll need the following tools for this repair:
- 10mm socket
- 12mm socket
- 14mm socket
- 3/8" ratchet
- 3/8" torque wrench (5–80 ft-lbs range)
- 6" extension
- 12" extension
- Universal joint adapter
- Trim clip remover
- Flathead screwdriver
- Floor jack (rated 3-ton minimum)
- Jack stands (rated 3-ton minimum)
- Wheel chocks
- Nitrile gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Starter motor - Qty: 1
- Starter solenoid terminal nut (if damaged) - Qty: 1
- Battery terminal anti-corrosion pads (optional) - Qty: 1
📋 Before You Begin
- Park on level ground, set the parking brake, and chock the rear wheels.
- Open the hood and locate the battery.
- Disconnect the negative battery terminal using a 10mm socket and isolate the cable so it can’t spring back.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Quick confirmation (needed for the exact access path)
- Does your Altima have a push-button start or a key ignition?
- Do you have access to the lower engine splash shield underneath (plastic cover), or is it missing?
Step 2: Stop here so I can give the correct torque specs
- Reply with: push-button or key, and whether the splash shield is on or off.
- Once I have that, I’ll give you the exact Nissan-specific steps and the correct Torque to XX Nm (YY ft-lbs) values for the starter bolts and electrical terminals.
✅ After Repair
- After installation, confirm the engine cranks normally and the starter disengages immediately after starting.
- Check that no warning lights appear and that the battery terminals are tight.
💰 DIY vs Shop Cost
Shop Cost: $450-$850 (parts + labor)
DIY Cost: $140-$350 (parts only)
You Save: $300-$500 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.
















