🔧 CR-V - Radiator Hose Replacement

On your CR-V, radiator hoses carry coolant between the radiator and engine. If a hose is swollen, cracked, or leaking at the ends, replacing it prevents overheating and engine damage.

Difficulty Level: Intermediate | Estimated Time: 1.0-2.5 hours

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⚠️ Safety & Precautions

• 🔥 Never open the radiator cap hot; hot coolant can spray and burn you.
• 🧤 Coolant is toxic; wear gloves and keep away from pets/kids.
• 🧯 Support the vehicle with jack stands if you raise it; never rely on a jack alone.
• ⚡ Keep hands/tools clear of the radiator fans; they can turn on automatically.
• 🔋 Battery disconnect is not required for this job.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Floor jack (rated 2-ton minimum)
• Jack stands (rated 2-ton minimum)
• Wheel chocks
• Drain pan (at least 2-gallon)
• Funnel
• Hose clamp pliers
• Slip-joint pliers
• Flathead screwdriver
• Phillips screwdriver
• Pick tool (small)
• Shop towels
• Work light

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Upper radiator hose - Qty: 1
• Lower radiator hose - Qty: 1
• Hose clamps (spring or worm-gear style) - Qty: 2-4
• Honda-compatible coolant (Type 2, premixed) - Qty: 1-2 gallons

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📋 Before You Begin

• Park on level ground, set the parking brake, and place wheel chocks behind the rear wheels.
• Let the engine cool fully (best: overnight). Squeeze the upper hose—if it feels firm/pressurized, it’s still too hot.
• Set the heater to HOT (this helps coolant flow through the heater core during bleeding).
• If you’re doing the lower hose, plan to drain coolant into a drain pan.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Relieve cooling system pressure (cold engine only)

• Use shop towels around the radiator cap.
• Slowly loosen the cap by hand to the first stop to release any leftover pressure, then remove it.
• If it hisses, stop and wait longer.

Step 2: (Lower hose only) Raise the front for access

• Use a floor jack (rated 2-ton minimum) at the front center jack point to lift.
• Place jack stands (rated 2-ton minimum) under the front side support points and lower onto stands.
• Give the vehicle a gentle shake to confirm it’s stable.

Step 3: (Lower hose recommended) Drain enough coolant

• Place a drain pan (at least 2-gallon) under the radiator drain area.
• Open the radiator drain cock (petcock) carefully (often hand-turn; if needed, use slip-joint pliers gently).
• Drain until the coolant level is below the hose you’re removing, then close the drain cock snugly by hand.

Step 4: Locate the hose you’re replacing

• Upper radiator hose: runs from the top of the radiator to the thermostat housing at the engine.
• Lower radiator hose: runs from the bottom of the radiator to the engine (lower front area).
• Use a work light to clearly see both ends and the clamps.

Step 5: Remove the hose clamps

• If you have spring clamps: squeeze and slide them back using hose clamp pliers. (Hose clamp pliers are pliers made to grip and hold spring clamps open.)
• If you have screw clamps: loosen them using a flathead screwdriver (or Phillips screwdriver, depending on clamp).
• Slide each clamp a few inches away from the hose end.

Step 6: Break the hose loose (don’t just yank)

• Twist the hose end back and forth by hand to break the seal.
• If it’s stuck, carefully work the edge with a pick tool (small) to let a little air in.
• Do not pry hard on the radiator neck—plastic/aluminum necks can crack.

Step 7: Remove the old hose and clean the sealing surfaces

• Pull the hose off and aim it into the drain pan (some coolant will spill).
• Wipe the radiator neck and engine fitting with shop towels until clean and smooth.
• Use slip-joint pliers to remove stuck clamp fragments only if needed.

Step 8: Install the new hose (correct orientation matters)

• Compare the new hose to the old one to confirm same bends and length.
• Slide the clamps onto the hose first.
• Push the hose fully onto each fitting until it bottoms out (no gap).
• Position the clamps behind the raised bead of the fitting, then secure them:
• For spring clamps: use hose clamp pliers to place the clamp in the same spot as original.
• For screw clamps: tighten with a flathead screwdriver until snug (do not crush the hose).
• Clamps must sit straight, not crooked.

Step 9: Refill coolant

• Insert a funnel into the radiator fill neck.
• Pour in Honda-compatible coolant (Type 2, premixed) until full.
• Fill the overflow reservoir to the MAX line.

Step 10: Bleed air from the cooling system

• Leave the radiator cap off.
• Start the engine and let it idle. Watch the coolant level at the radiator neck.
• Turn the heater to HOT and fan on low; confirm warm air starts to blow.
• As the thermostat opens, the level may drop—add coolant using the funnel.
• When bubbles slow down and the radiator fans cycle on/off, top off and install the radiator cap by hand (tight).

Step 11: (If raised) Lower the vehicle

• Use the floor jack (rated 2-ton minimum) to lift slightly, remove jack stands (rated 2-ton minimum), then lower slowly.
• Remove wheel chocks after you’re fully done.

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✅ After Repair

• With the engine running, inspect both hose ends for seepage or drips.
• Take a short 10–15 minute drive while watching the temperature gauge.
• After the engine cools completely, recheck coolant level in the overflow reservoir and top off to MAX if needed.
• Look under the CR-V the next morning for any coolant spots.

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💰 DIY vs Shop Cost

Shop Cost: $250-$550 (parts + labor)

DIY Cost: $40-$130 (parts only)

You Save: $210-$420 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-2.0 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.