🔧 Water Pump - Replacement

The water pump circulates coolant through your engine and radiator. On your CR-V, replacement means draining the cooling system, removing the drive belt and pump assembly, then refilling and bleeding the system so the engine does not overheat.

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

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⚠️ Safety & Precautions

• Work only on a fully cooled engine. Hot coolant can cause severe burns.
• Support the vehicle securely with jack stands. Do not rely on a jack alone.
• Keep hands clear of the belt drive and fan area.
• Use eye protection and gloves. Coolant can splash when hoses are removed.
• Dispose of used coolant properly. It is toxic to people and animals.
• Disconnect the negative battery cable before starting. This reduces the chance of accidental cranking.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 12mm socket
• 14mm socket
• Ratchet
• Torque wrench
• Breaker bar
• Flat-blade screwdriver
• Trim clip removal tool
• Drain pan
• Funnel
• Pliers
• Gasket scraper
• Shop towels
• Floor jack (rated 3-ton minimum)
• Jack stands
• Safety glasses
• Nitrile gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Water pump assembly - Qty: 1
• Water pump gasket or O-ring - Qty: 1
• Engine coolant - Qty: 2 gallons
• Hose clamps - Qty: 2

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Let the engine cool completely before opening the cooling system.
• Disconnect the negative battery cable.
• Raise the front of the vehicle if extra access is needed under the engine.
• Place a drain pan under the radiator drain area before opening the system.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Drain the coolant

• Use a drain pan and open the radiator drain or remove the lower hose to drain the cooling system.
• Remove the radiator cap only when the engine is cold.
• Drain enough coolant so the water pump area is empty.

Step 2: Remove splash shields and engine cover

• Use a 10mm socket and trim clip removal tool to remove the lower splash shield fasteners.
• Lift off the engine cover by hand.
• Keep fasteners in labeled cups.

Step 3: Remove the drive belt

• Use a breaker bar on the belt tensioner to relieve tension.
• Slip the belt off the pulleys and remove it from the engine bay.
• Inspect the belt for cracks or glazing. Replace it if worn.

Step 4: Remove access components

• Use a 10mm socket and 12mm socket to remove any brackets or covers blocking the pump.
• Move hoses aside with pliers if needed, but do not damage them.
• Have shop towels ready for leftover coolant.

Step 5: Disconnect the water pump hoses

• Use pliers to loosen spring clamps, or a screwdriver if your clamps are screw type.
• Twist hoses gently to break them free, then pull them off the pump.
• Cap or plug the hoses to reduce spillage.

Step 6: Remove the water pump

• Use a 10mm socket to remove the water pump mounting bolts.
• Remove the pump from the engine.
• Check the mounting surface for old gasket material. Clean it with a gasket scraper.

Step 7: Install the new water pump

• Install the new gasket or O-ring on the new pump.
• Position the pump on the engine by hand first.
• Use a 10mm socket to start all bolts by hand before tightening.
• Tighten the bolts evenly in a crisscross pattern.
• Torque to factory service-manual specification.

Step 8: Reconnect hoses and reinstall removed parts

• Reconnect the coolant hoses and secure the clamps with pliers.
• Reinstall any brackets or covers using the 10mm socket and 12mm socket.
• Reinstall the drive belt with the breaker bar on the tensioner.
• Torque to factory service-manual specification.

Step 9: Refill and bleed the cooling system

• Use a funnel to fill the system with the correct engine coolant.
• Run the engine with the heater set to hot and the fan on low.
• Watch the coolant level and top off as air escapes.
• Let the engine reach operating temperature, then recheck the level.

Step 10: Reinstall shields and verify the repair

• Reinstall the splash shield with the 10mm socket and trim clip tool.
• Lower the vehicle if it was raised.
• Start the engine and check for leaks at the pump and hoses.

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✅ After Repair

• Check coolant level again after the first full heat cycle.
• Inspect under the vehicle for drips after a short test drive.
• Watch the temperature gauge for normal operation.
• If the level drops, top off with the correct coolant only.

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💰 DIY vs Shop Cost

Shop Cost: $650-$1,100 (parts + labor)

DIY Cost: $180-$320 (parts only)

You Save: $470-$780 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?

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