🔧 Altima - Fuel Pump Replacement

On your Altima, the fuel pump sits inside the fuel tank as part of a fuel pump “module.” Replacing it is very doable DIY, but the exact procedure (and fastener/torque details) depends on which tank opening/retainer style your car has.

Difficulty Level: Intermediate | Estimated Time: 2-4 hours

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⚠️ Safety & Precautions

• 🛑 Gasoline fumes are extremely flammable—work outside or in a very well-ventilated area.
• 🧯 No smoking, no sparks, no trouble lights with hot bulbs; use an LED work light.
• 🔋 Disconnect the negative battery cable before opening the tank access.
• 🧤 Wear safety glasses and fuel-resistant gloves; fuel can spray when lines are opened.
• 🧼 Clean dirt around the pump opening so it can’t fall into the tank.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Fire extinguisher (Class B)
• LED work light
• 10mm socket
• 10mm wrench
• Ratchet
• 3 in extension
• Phillips screwdriver
• Flathead screwdriver
• Trim clip remover
• Needle-nose pliers
• Fuel line disconnect pliers (specialty)
• Brass punch (specialty)
• Small hammer
• Torque wrench (in-lb or low Nm)
• Shop towels
• Catch pan
• Permanent marker
• Vacuum

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Fuel pump module assembly - Qty: 1
• Fuel pump module tank seal/O-ring - Qty: 1
• Fuel line retaining clip(s) - Qty: 1

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📋 Before You Begin

• Park on level ground, set the parking brake, and open the windows for ventilation.
• Relieve fuel pressure before opening any fuel line.
• Have a vacuum ready to remove dust around the access cover before you open it.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Before I give the exact steps and torque specs, answer these 2 quick questions:

• Is the pump module held down by a large round locking ring (you’ll see a big plastic/metal ring you tap loose), or by several small 10mm nuts/bolts around the flange?
• Do you have the replacement part as a complete module assembly, or just the pump motor (insert inside the module)?

Reply with “locking ring” or “bolts,” and “module” or “pump only.”

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✅ After Repair

• Once installed, you’ll need to prime the system and check carefully for leaks before driving.

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💰 DIY vs Shop Cost

Shop Cost: $650-$1,200 (parts + labor)

DIY Cost: $150-$550 (parts only)

You Save: $500-$650 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-3 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.