2021 Chevrolet Silverado Spark Plug Replacement
Complete guide to 2021 Chevrolet Silverado spark plug replacement. Cost estimates, difficulty level, time required, and environmental impact.
🌍 Share Your Environmental Impact
Inspire others to repair instead of replace! Share how much CO₂ you're saving.
💰 Cost Breakdown
💡 Tip: Costs vary by location and repair shop. Authorized service centers typically charge more than independent repair shops.
🔧 Repair Overview
Spark Plug Replacement is one of the most common repairs for 2021 Chevrolet Silverado. This repair involves replacing the damaged engine component with a new or refurbished part. The process typically takes 1-2 hours and requires moderate skill level.
🔧 Required Tools
🔩 Replacement Parts
What You'll Need
- Replacement engine part (OEM or aftermarket)
- Precision screwdriver set (Phillips #000 or pentalobe)
- Opening tools (plastic spudger, suction cup)
- Adhesive strips or glue
- Clean workspace with good lighting
Step-by-Step Process
Step 1:
Open the tailgate.
Remove the top and bottom T15 screws from each side of the tail lights.
Gently remove the tail lights by pulling outward.
Step 2:
Unplug the sockets and remove the reverse light bulb from the tail light.
Step 3:
Plug the brake lights connector.
Twist and secure the socket tightly.
Plug in the turn signal bulb connector. Twist and secure tightly.
Step 4:
Plug in the parking lights connector. Twist and secure the socket tightly.
Plug in the TURN SIGNALS connector. Please follow the same steps for the other side of the tail lights.
Make sure all the connections are plugged and tight. Also ensure that the caps are sealed.
Step 5:
First, remove the reverse light bulb from the vehicle.
Then, connect the socket to the reverse light connector from the new tail light.
Step 6:
Lastly, plug the vehicle’s tail light socket to new tail light connector.
Step 7:
Gently push the tail light into the mounting position and use T15 screwdriver to tighten the top and bottom screws.
Repeat the same process for the other side of the tail light.
📖 Repair guide provided by iFixit - The free repair manual. Licensed under CC BY-NC-SA 3.0.
iFixit Difficulty: Moderate | Time: NaNh NaNm
DIY vs Professional Repair
✋ DIY Repair
- ✅ Lower cost (parts only: $60-$120)
- ✅ Learn new skills
- ❌ Risk of further damage
- ❌ No warranty
- ❌ Requires tools and time
🔧 Professional Repair
- ✅ Expert installation
- ✅ Warranty included
- ✅ Faster turnaround
- ❌ Higher cost ($100-$200)
- ❌ Need to find reputable shop
Environmental Impact
By choosing to repair your 2021 Chevrolet Silverado instead of replacing it, you're preventing approximately 6098 kg of CO₂ emissions. Manufacturing a new 2021 Chevrolet Silverado generates 6100 kg of CO₂, while this repair only produces about 2 kg of CO₂. That's a 100% reduction in carbon emissions!
Get a Personalized Repair Estimate
Upload a photo of your 2021 Chevrolet Silverado and get an AI-powered cost estimate in seconds. See exactly what's damaged and how much it'll cost to fix.