🔧 Water Pump - Replacement

The water pump circulates coolant through your engine, radiator, and heater core. On your Equinox, a failing pump can leak coolant, make noise, or cause overheating, so replacing it promptly helps prevent engine damage.

Difficulty Level: Intermediate | Estimated Time: 3-5 hours

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⚠️ Safety & Precautions

• Let the engine cool completely before opening the cooling system. Hot coolant can cause severe burns.
• Use jack stands on level ground. Never rely on a jack alone.
• Disconnect the negative battery cable before working near the belt drive or starter wiring.
• Dispose of old coolant properly. It is toxic to people and pets.
• Bleed the cooling system carefully after repair. Air trapped in the system can cause overheating.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Drain pan
• Floor jack (rated 3-ton minimum)
• Jack stands
• Wheel chocks
• 10mm socket
• 13mm socket
• 15mm socket
• Socket wrench
• Breaker bar
• Belt tensioner tool (specialty)
• Torque wrench
• Flat-blade screwdriver
• Plastic trim tool
• Coolant funnel
• Shop towels

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Water pump - Qty: 1
• Water pump gasket or seal - Qty: 1
• Engine coolant (DEX-COOL 50/50 premix) - Qty: 1-2 gallons
• Serpentine belt - Qty: 1
• Water pump pulley bolts - Qty: 1 set, if required
• Thermostat housing gasket - Qty: 1, if removed

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Let the engine cool fully.
• Disconnect the negative battery cable.
• Raise the front of the vehicle and support it securely with jack stands.
• Remove the right front wheel and inner splash shield for access.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Drain the cooling system

• Place a drain pan under the radiator drain area.
• Use a flat-blade screwdriver or pliers, depending on the drain style, to open the radiator drain and drain coolant.
• Remove the coolant reservoir cap to help the system drain faster.

Step 2: Remove the right front wheel and splash shield

• Use a 19mm socket to remove the wheel nuts.
• Use a 7mm or 10mm socket, depending on fastener style, to remove the inner fender/splash shield fasteners.
• Remove the shield for access to the belt drive area.

Step 3: Remove the serpentine belt

• Use a belt tensioner tool to rotate the tensioner and relieve belt tension.
• Slip the belt off the pulleys and remove it from the engine bay.
• Take a quick photo of the belt route first.

Step 4: Remove components blocking access

• Use a 10mm socket to remove any coolant hoses, brackets, or covers in the way.
• If the coolant reservoir or nearby brackets block the pump, remove them with the appropriate 10mm or 13mm socket.
• Move hoses aside carefully so they do not crack or kink.

Step 5: Remove the water pump

• Use a 10mm socket to remove the water pump bolts.
• Pull the water pump straight off the engine.
• Drain any remaining coolant into the pan.
• Remove the old gasket or seal from the mounting surface.

Step 6: Clean the mounting surface

• Use a plastic trim tool and shop towels to clean the engine mating surface.
• Do not scratch the aluminum surface.
• Make sure the surface is dry and free of old gasket material.

Step 7: Install the new water pump

• Install the new gasket or seal on the pump.
• Position the new water pump onto the engine.
• Hand-start all bolts first.
• Use a torque wrench to tighten the water pump bolts evenly in a crisscross pattern.
• Torque to 10 Nm (89 in-lbs)

Step 8: Reinstall removed components

• Reinstall any brackets, hoses, or covers using the correct socket size.
• Reinstall the serpentine belt with the belt tensioner tool.
• Make sure the belt sits fully in every pulley groove.

Step 9: Reassemble the wheel area

• Reinstall the splash shield using the 7mm or 10mm socket.
• Reinstall the wheel and hand-tighten the lug nuts.
• Lower the vehicle and torque the lug nuts in a star pattern.
• Torque to 140 Nm (103 ft-lbs)

Step 10: Refill and bleed the cooling system

• Fill the system with DEX-COOL 50/50 coolant through the reservoir using a coolant funnel.
• Start the engine and let it idle with the heater set to HOT.
• Watch the coolant level and add coolant as air purges out.
• Continue until no more bubbles appear and the level stabilizes.
• Keep the cap off until air stops burping out.

Step 11: Check for leaks and verify operation

• Inspect the water pump, hoses, and drain area for leaks.
• Verify the radiator fan cycles normally.
• Watch the temperature gauge for stable operation.

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✅ After Repair

• Recheck coolant level after the first drive and again the next day.
• Look for dried coolant residue around the pump and hose connections.
• If the engine overheats or loses coolant, stop driving and recheck the bleed process.
• Top off coolant only with the correct DEX-COOL mix.

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💰 DIY vs Shop Cost

Shop Cost: $550-$950 (parts + labor)

DIY Cost: $120-$280 (parts only)

You Save: $430-$670 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 3-5 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.