🔧 Fuel Cap - Replacement

The fuel cap on your Ram is a simple part, but a worn seal or damaged threads can trigger an EVAP leak warning or check engine light. Replacing it is quick and helps keep the fuel system sealed properly.

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

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⚠️ Safety & Precautions

• Work with the engine off and the area free of sparks, flames, or smoking.
• Do not over-tighten the new cap. Tighten until it clicks, then stop.
• If your fuel door is dirty, wipe it clean before installing the new cap.
• No battery disconnect is required for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• Clean microfiber towel
• 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 set the parking brake.
• Make sure the fuel door area is clean so dirt does not fall into the filler neck.
• If the old cap is tethered and hanging, support it so it does not scratch the paint.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the fuel door

• Open the fuel door and inspect the old cap and sealing area.
• Use a clean microfiber towel to wipe any dirt from the cap area.

Step 2: Remove the old fuel cap

• Turn the fuel cap counterclockwise by hand until it comes off.
• If it is stuck, use a gloved hand for a better grip.

Step 3: Inspect the filler neck

• Look at the filler neck sealing surface for dirt, cracks, or damage.
• Use a clean microfiber towel to gently wipe the sealing area.
• Do not push debris inside.

Step 4: Install the new fuel cap

• Place the new cap on the filler neck and turn it clockwise by hand.
• Continue turning until you hear or feel several clicks.
• Tighten until the cap clicks fully seated.

Step 5: Verify the installation

• Try turning the cap lightly to confirm it is locked in place.
• Close the fuel door.

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✅ After Repair

• Start the engine and make sure the fuel cap warning is gone, if one was present.
• If the check engine light was on for an EVAP leak, it may take a few drive cycles to clear.
• If the light stays on after several trips, scan for EVAP-related codes.

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💰 DIY vs Shop Cost

Shop Cost: $60-$120 (parts + labor)

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

You Save: $45-$85 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.