🔧 Fuel Cap - Replacement

The fuel cap on your Equinox is a simple twist-on part that seals the fuel tank and helps keep the evaporative emissions system working correctly. If the cap is cracked, loose, or the seal is damaged, replace it right away to prevent a check engine light and fuel vapor leaks.

Difficulty Level: Beginner | Estimated Time: 0.1-0.2 hours

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⚠️ Safety & Precautions

• Work with the engine off and the ignition key removed.
• Do not smoke or work near open flames while handling the fuel filler area.
• Keep dirt and water out of the fuel filler neck.
• Do not overfill the fuel tank.

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🔧 Required Tools

You'll need the following tools for this repair:

• None required
• Clean microfiber cloth
• Nitrile gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Fuel cap - Qty: 1

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📋 Before You Begin

• Park on level ground and turn the engine off.
• Open the fuel door and inspect the filler neck for dirt or damage.
• If the old cap has a tether, note how it is routed before removal.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the old fuel cap

• Twist the old cap counterclockwise by hand until it comes off.
• If the cap is stuck, use a clean microfiber cloth for a better grip.
• Inspect the sealing surface on the filler neck for cracks, rust, or dirt.

Step 2: Install the new fuel cap

• Align the new cap with the filler neck and twist it clockwise by hand.
• Keep turning until you hear or feel several clicks.
• Hand-tight is enough.

Step 3: Confirm the seal

• Gently tug on the cap to make sure it is fully seated.
• Close the fuel door.
• If the check engine light was on for a loose cap, it may take a few drive cycles to clear.

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✅ After Repair

• Check that the fuel cap is secure after your next fill-up.
• If a fuel cap-related warning stays on after several trips, scan for evaporative emissions codes.
• Look around the fuel door for any fuel smell or damage.

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💰 DIY vs Shop Cost

Shop Cost: $75-$130 (parts + labor)

DIY Cost: $15-$35 (parts only)

You Save: $60-$95 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.1-0.2 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.