🔧 Wrangler - Radiator Hose Replacement

On your Wrangler, “radiator hose” can mean the upper hose (radiator to engine/thermostat housing) or the lower hose (radiator to water pump). The steps and access points are different, so I want to make sure you replace the correct one and refill/bleed the cooling system correctly.

Difficulty Level: Intermediate | Estimated Time: 1.0-2.0 hours

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⚠️ Safety & Precautions

• ⚠️ Never open the radiator cap on a hot engine; hot coolant can spray and burn.
• ⚠️ Support the Jeep with jack stands if you raise it; never rely on a jack alone.
• ⚠️ Coolant is toxic—keep away from kids/pets and clean spills immediately.
• ⚠️ Disconnecting the battery is not required, but keep hands/tools away from the electric fan area.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Drain pan (at least 10-quart)
• Shop towels
• Hose clamp pliers (specialty)
• Channel-lock pliers (10 in)
• Pick tool set (small hook) (specialty)
• Flat-blade screwdriver (medium)
• 8mm socket
• 1/4 in drive ratchet
• Funnel
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Radiator upper hose - Qty: 1
• Radiator lower hose - Qty: 1
• Hose clamps (worm-gear or OEM-style) - Qty: 2-4
• Engine coolant (HOAT-compatible, 50/50 premix) - Qty: 2-3 gallons
• Distilled water - Qty: 1-2 gallons

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📋 Before You Begin

• Park on level ground, set the parking brake, and let the engine cool completely (at least a few hours).
• Set a drain pan under the radiator area.
• If you’re doing the lower hose, plan to raise the front with a floor jack and support with jack stands.

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🔨 Step-by-Step Instructions

Before I give the exact steps, I need 2 quick details:

• Which hose are you replacing on your Wrangler: upper, lower, or both?
• Are you seeing a leak/soft hose only, or did it overheat?

Reply with “upper” or “lower” and a short symptom.

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✅ After Repair

• Once I know which hose you’re doing, I’ll include the correct refill/bleed procedure and what to watch for on the temperature gauge.

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💰 DIY vs Shop Cost

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

DIY Cost: $40-$140 (parts only)

You Save: $110-$510 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.