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2013-2018 Toyota Camry Engine Coolant Bypass Hose Replacement Guide

Understand the signs of a failing coolant bypass hose on your Camry and how to choose the right replacement part.

4 minutes to read 2013-2018 Toyota Camry
Difficulty
2/5
Est. Time
1.2 hrs
DIY Doable?
✅ Yes
Shop Labor
$105-$160
⚠️ Drivable, but... — You can drive short distances if the leak is minor, but you must monitor the temperature gauge and coolant level closely; do not drive if the engine is overheating.
Key Takeaways
  • A failing bypass hose will typically leak pink coolant, cause a sweet smell, or lead to overheating.
  • For the 2013-2018 Camry, a quality aftermarket hose from a brand like Gates is a reliable and cost-effective alternative to the OEM part.
  • While no recalls exist for this specific hose, 2018 models are part of a support program for a related valve issue where hose replacement is often necessary.
  • Always replace hose clamps with the hose and use Toyota-specific pink/red coolant to refill the system.
The engine coolant bypass hose is a key part of your Toyota Camry's cooling system. It allows engine coolant to circulate even when the main thermostat is closed, helping to warm the engine up faster and maintain a stable operating temperature. This small, pre-shaped hose often routes coolant to or from components like the throttle body or heater core, ensuring all parts of the system get the heat they need, when they need it. A functioning bypass hose is crucial for engine efficiency and preventing temperature-related problems.

Signs of a Failing Coolant Bypass Hose

Comparison of a healthy new rubber coolant hose versus a failed hose showing cracks and pink coolant residue.
A healthy hose (left) should be firm and free of cracks, while a failing hose (right) often shows bulging, soft spots, or pink crusty residue from slow leaks.

Like any rubber component exposed to constant heat cycles, the engine coolant bypass hose on your 2013-2018 Toyota Camry will eventually wear out. Failure is not a matter of if, but when. Being able to spot the warning signs can save you from overheating and potential engine damage.

  • Coolant Leaks: This is the most obvious symptom. You may notice puddles of pink or red fluid under your car, especially towards the front of the engine. The leak might be a slow drip or a more significant puddle. You might also see pink, crusty residue around the hose connections.
  • Low Coolant Levels: A leaking bypass hose will cause the coolant level in the reservoir to drop over time. If you find yourself frequently topping off the coolant, you likely have a leak somewhere in the system.
  • Engine Overheating: If the hose fails completely or develops a large leak, the subsequent loss of coolant will cause your engine to overheat. Watch for the temperature gauge on your dashboard climbing into the red zone.
  • Sweet Smell: Engine coolant has a distinct sweet, syrupy smell. If you notice this odor inside or outside your Camry, it's a strong indicator of a coolant leak, even if you can't see it.
  • Check Engine Light: On some newer models, a failing coolant bypass valve connected to the hose can trigger a check engine light with codes like P268115. 🎬 Watch: How to replace the bypass valve and fix circuit shorts. While this points to the electronic valve, the hose is often damaged or difficult to remove during the repair and should be replaced at the same time.

Known Issues and TSBs

While there are no specific recalls for the engine coolant bypass hose on the 2013-2018 Camry, Toyota has issued a Customer Support Program (CSP 24TE04) 🎬 See this walkthrough for diagnosing code P268115 on newer models. for a related issue on 2018 and newer models involving a faulty engine coolant bypass valve. This issue causes coolant to leak and can trigger fault codes. Technicians often recommend replacing the associated hoses during this repair, as they can be difficult to remove without damage. No other widespread recalls or Technical Service Bulletins (TSBs) specifically target this hose for the 2013-2017 model years.

Choosing a New Aftermarket Bypass Hose

A new Gates brand molded coolant bypass hose on a clean workbench.
High-quality aftermarket options like Gates offer molded hoses that meet or exceed OEM specifications for heat and ozone resistance.

When replacing the coolant bypass hose on your Camry, you have a choice between an OEM part from Toyota and a new aftermarket part. For this component, a quality aftermarket part offers a reliable and cost-effective solution.

  • OEM (Original Equipment Manufacturer): The original Toyota hose is a high-quality, direct-fit part. It's a proven performer but typically comes at a higher price point.
  • Aftermarket (Gates): Gates is a highly respected brand in the automotive aftermarket, known for producing belts and hoses that often meet or exceed OEM specifications. A Gates molded bypass hose is engineered to resist heat, ozone, and electrochemical degradation, which is the leading cause of hose failure. It is designed to be a direct, factory-molded fit for your Camry, ensuring an easier installation without modifications.

Pro Tip: Always replace hose clamps when you install a new coolant hose. Old clamps can lose their tension over time, leading to new leaks. It's a small, inexpensive step that ensures a secure, long-lasting repair.

Cost Comparison: 2013-2018 Toyota Camry Coolant Bypass Hose
Part TypeEstimated Cost
New Aftermarket (Gates)$20.86
New OEM (Toyota)$12 - $85
Shop Labor$105 - $160

Frequently Asked Questions

The engine bay of a Toyota Camry showing the location of coolant hoses and the reservoir.
The bypass hose is often located in tight spots behind other components, making access the primary challenge for DIYers.
Is this a difficult part to replace myself?

For a DIYer with basic tools, replacing this hose is generally feasible. The main challenge is often access, as the hose may be located in a tight spot behind other components. You will need to drain some coolant, so have a catch pan ready. The difficulty is rated as easy to moderate.

How often should the coolant bypass hose be replaced?

There is no set replacement interval. Hoses should be inspected during regular maintenance for signs of cracking, bulging, or softness. As a general rule, consider replacing all major coolant hoses every 8-10 years or around 100,000 miles as preventative maintenance.

Do I need to replace the bypass valve at the same time?

Not necessarily, especially on earlier models in this range. However, on 2018 models, issues with the electronic bypass valve are common. If you are replacing a faulty valve, 🎬 Watch: A step-by-step guide to fixing the engine coolant bypass valve. it is highly recommended to replace the connected hoses, as they often get stuck or damaged during removal.

What kind of coolant should I use for my Camry?

Always use a pink or red Asian vehicle-specific coolant, often labeled as "Toyota Super Long Life" or an equivalent OAT/P-OAT formula. Using the wrong type of coolant can cause damage to the cooling system components.

How To Replace Camry Engine Coolant Bypass Valve. P268115 Coolant Bypass Valve Circuit Short.
How To Replace Camry Engine Coolant Bypass Valve. P268115 Coolant Bypass Valve Circuit Short.
2018-2023 Toyota Camry - Code P268115 - Engine Coolant Bypass Valve
2018-2023 Toyota Camry - Code P268115 - Engine Coolant Bypass Valve
2018 2023 Toyota Rav4 Corolla Camry P268115 Engine Coolant Bypass Valve Fixed
2018 2023 Toyota Rav4 Corolla Camry P268115 Engine Coolant Bypass Valve Fixed

Technical Specifications

OEM Part Numbers: 16261-0V010 16261-0V060 16261-20010 16260-F0021

Molded EPDM rubber hose resistant to electrochemical degradation. Designed for a direct fit on 2.5L and 3.5L engines, though specific part numbers may vary by engine and model year.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated May 31, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Engine Coolant Bypass Hose for:
  • Toyota Camry: 201320142015201620172018
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