How to Replace Upper & Lower Radiator Hoses on a 2012 Toyota Camry
Step-by-step coolant drain/refill and air-bleeding tips, required tools/parts, and leak-check checklist for 2012, 2013, 2014, 2015, 2016, 2017
How to Replace Upper & Lower Radiator Hoses on a 2012 Toyota Camry
Step-by-step coolant drain/refill and air-bleeding tips, required tools/parts, and leak-check checklist for 2012, 2013, 2014, 2015, 2016, 2017
🔧 Camry - Radiator Hose Replacement
On your Camry, the radiator hoses carry hot engine coolant between the engine and the radiator. Replacing a cracked, swollen, or leaking hose prevents overheating and coolant loss.
Difficulty Level: Intermediate | Estimated Time: 1.0-2.0 hours
⚠️ Safety & Precautions
- ⚠️ Never open the cooling system hot; wait until fully cool.
- ⚠️ Coolant is toxic; keep away from kids/pets and clean spills immediately.
- ⚠️ Support the car with jack stands; never rely on a floor jack.
- ⚠️ Hybrid note: avoid touching any orange high-voltage cables/connectors.
- ⚠️ Battery disconnect is not required for this job.
🔧 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 10-quart)
- Slip-joint pliers
- Hose clamp pliers
- Pick tool (small)
- Flat-blade screwdriver
- 10mm socket
- Ratchet (3/8" drive)
- Extension (6")
- Trim clip remover
- Funnel
- Spill-free coolant funnel kit (specialty)
- Torque wrench (10-80 Nm range)
- Shop rags
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Upper radiator hose - Qty: 1
- Lower radiator hose - Qty: 1
- Hose clamps - Qty: 2-4
- Toyota Super Long Life Coolant (pink, premixed 50/50) - Qty: 1-2 gallons
📋 Before You Begin
- Park on level ground, set the parking brake, and place wheel chocks behind the rear wheels.
- Let the engine cool completely (ideally 2+ hours).
- Set your HVAC to full HOT before starting the bleeding step later (this helps purge air).
- Take a quick photo of hose routing.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Remove the lower engine cover (if equipped)
- Lift the front using a floor jack (rated 2-ton minimum) and support it with jack stands (rated 2-ton minimum).
- Remove the under cover fasteners using a 10mm socket, ratchet (3/8" drive), and trim clip remover.
Step 2: Drain enough coolant to get below the hoses
- Place a drain pan (at least 10-quart) under the radiator drain.
- Slowly loosen the coolant fill cap using a shop rag (only if stone-cold) to release any residual pressure.
- Open the radiator drain cock (small plastic valve) by hand or with a flat-blade screwdriver (gentle—plastic).
- Drain about 1-2 gallons, then close the drain cock snugly by hand. Do not overtighten plastic.
Step 3: Replace the upper radiator hose (top hose)
- Locate the upper hose between the radiator top outlet and the engine.
- Move the clamp back:
- Use hose clamp pliers (a tool that squeezes spring clamps evenly) or slip-joint pliers to compress the clamp and slide it back on the hose.
- Break the hose free:
- Twist the hose gently by hand.
- If it’s stuck, carefully work around the nipple with a pick tool (small) to break the seal. Don’t gouge the plastic radiator neck.
- Remove the hose and catch any remaining coolant using the drain pan (at least 10-quart).
- Install the new hose:
- Push it fully onto both fittings until it bottoms out.
- Reposition clamps using hose clamp pliers so each clamp sits behind the raised “bead” on the fitting.
Step 4: Replace the lower radiator hose (bottom hose)
- Locate the lower hose at the radiator bottom outlet and engine-side connection.
- Move both clamps back using hose clamp pliers or slip-joint pliers.
- Remove the hose:
- Twist and pull by hand.
- Use the pick tool (small) carefully if it’s stuck.
- Install the new lower hose and position clamps correctly using hose clamp pliers.
Step 5: Refill coolant
- Lower the car from the jack stands (rated 2-ton minimum) using the floor jack (rated 2-ton minimum) (car should be level for best fill).
- Refill with Toyota Super Long Life Coolant (pink, premixed 50/50) using a funnel or spill-free coolant funnel kit (specialty).
- Fill to the proper level in the reservoir/neck (depending on your fill point).
Step 6: Bleed air from the cooling system
- Start the car (READY mode) and set heat to MAX HOT and fan on medium.
- Let it warm up while watching the coolant level; add coolant as the level drops using the spill-free coolant funnel kit (specialty) or funnel.
- Gently squeeze the upper hose by hand (with nitrile gloves) to help move trapped air. Keep hands away from fans.
- When you get steady cabin heat and no more bubbles, install the cap.
- Shut down and let it fully cool, then recheck and top off the reservoir.
Step 7: Reinstall the under cover
- Reinstall the lower engine cover using the 10mm socket, ratchet (3/8" drive), and trim clip remover.
✅ After Repair
- Check for leaks with the engine warm: look at both hose ends and the radiator drain cock.
- Verify the heater blows hot and the temperature stays normal on the dash.
- After 1-2 drives (and a full cool-down), recheck coolant level and inspect clamp positions.
- If you see overheating, gurgling, or no heat, stop and re-bleed (air is still trapped).
💰 DIY vs Shop Cost
Shop Cost: $250-$550 (parts + labor)
DIY Cost: $60-$180 (parts only)
You Save: $190-$370 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.
🎯 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.


















