🔧 Fuel Pump - Replacement

The fuel pump on your Sequoia is inside the fuel tank, so the tank must be lowered to replace the pump module. This is a more involved job, but it is very doable with the right tools and a safe setup.

Difficulty Level: Advanced | Estimated Time: 4-7 hours

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⚠️ Safety & Precautions

• Work outside or in a very well-ventilated area. Fuel vapors are flammable.
• Disconnect the negative battery cable before opening the fuel system.
• Relieve fuel pressure before disconnecting any fuel line.
• Do not smoke, weld, or create sparks near the vehicle.
• The fuel tank is heavy when full. Run the tank low before starting.
• Use a transmission jack or a jack with a wide support to lower the tank safely.
• Wear safety glasses and fuel-resistant gloves.

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🔧 Required Tools

You'll need the following tools for this repair:

• Metric socket set
• Ratchet
• Metric wrench set
• Torque wrench
• Fuel line disconnect tool
• Trim clip removal tool
• Flat blade screwdriver
• Pliers
• Floor jack (rated 3-ton minimum)
• Jack stands
• Transmission jack or wide-support jack
• Fuel-safe drain pan
• Safety glasses
• Fuel-resistant gloves
• Shop rags

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Fuel pump module - Qty: 1
• Fuel pump module seal/gasket - Qty: 1
• Fuel tank straps if corroded or damaged - Qty: 1 set
• Fuel line O-rings or seals - Qty: 1 set
• Fresh fuel - Qty: as needed

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📋 Before You Begin

• Run the fuel tank as low as possible before starting.
• Park on level ground and set the parking brake.
• Disconnect the negative battery cable.
• Relieve fuel system pressure at the service point before disconnecting lines.
• Have a fuel-safe drain pan ready for line spills.
• Label every hose and connector as you remove it.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Relieve fuel pressure and disconnect power

• Use the appropriate fuse puller or pliers to remove the fuel pump fuse/relay, then start the engine and let it stall.
• Turn the key off, then disconnect the negative battery cable with a 10mm wrench.

Step 2: Raise and support the vehicle

• Use a floor jack to raise the Sequoia safely.
• Support it with jack stands under the proper frame points.
• Make sure the vehicle is stable before working underneath it.

Step 3: Remove skid plates and fuel tank access items

• Use a metric socket set and ratchet to remove any skid plates or covers blocking the tank.
• If equipped, disconnect the spare tire lowering mechanism or shields that prevent tank removal.

Step 4: Disconnect fuel filler and vent connections

• Use a flat blade screwdriver or trim clip removal tool to loosen clamps or retainers as needed.
• Remove the filler neck and vent hose connections at the tank.
• Mark hose positions before removal.

Step 5: Disconnect electrical connectors and fuel lines

• Use a fuel line disconnect tool to release the fuel supply and EVAP line connections.
• Unplug the fuel pump electrical connector and any tank-related harness connectors.
• Inspect each seal and O-ring as you disconnect lines.

Step 6: Support and lower the fuel tank

• Use a transmission jack or wide-support jack to hold the tank.
• Remove the tank strap bolts with a metric socket set and ratchet.
• Lower the tank slowly and watch for any lines or connectors still attached.
• Torque on reassembly: Tank strap bolts to 43 Nm (32 ft-lbs).

Step 7: Remove the fuel pump module

• Clean the area around the pump module with shop rags before opening the tank.
• Use a flat blade screwdriver or suitable lock ring tool to remove the pump lock ring.
• Lift the fuel pump module out carefully without bending the float arm.
• Remove the old seal/gasket.

Step 8: Install the new fuel pump module

• Install the new seal/gasket on the tank opening.
• Lower the new fuel pump module into place using the same orientation as the old one.
• Install the lock ring and tighten it evenly.
• Do not pinch the seal.

Step 9: Reinstall the fuel tank

• Raise the tank with the transmission jack and reconnect all hoses and plugs.
• Install the tank straps and tighten the strap bolts with a torque wrench.
• Torque on reassembly: Fuel tank strap bolts to 43 Nm (32 ft-lbs).
• Reconnect the filler neck, vent lines, fuel lines, and electrical connector.

Step 10: Reassemble and prime the system

• Reinstall any skid plates or shields with the metric socket set.
• Reconnect the negative battery cable with a 10mm wrench.
• Turn the key to ON for 5 seconds, then OFF. Repeat 3-4 times to prime the fuel system.

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✅ After Repair

• Start the engine and let it idle while checking for fuel leaks.
• Inspect the top of the tank, fuel lines, and filler neck area closely.
• Verify the fuel gauge reads correctly.
• Take a short test drive and confirm normal acceleration and no warning lights.

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💰 DIY vs Shop Cost

Shop Cost: $1,100-$1,900 (parts + labor)

DIY Cost: $250-$650 (parts only)

You Save: $850-$1,250 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 4-7 hours.

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🎯 Ready to get started?

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