Coolant Leaking from Rear Wheel Well on Toyota 4Runner

Submitted by casey40510 · May 29, 2025
Published by RepairPal

Problem overview

Vehicles equipped with rear passenger heating may have issues with the engine coolant lines that supply warm coolant to the rear heater.

These lines frequently leak, causing engine overheating and coolant dripping on or around the passenger side rear wheel.

To correct the leak, the hoses must be replaced.

To prevent the leak, the coolant should be flushed and replaced every 24-36 months.

10 people reported this problem
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