A Toyota Master Diagnostic Technician shows you a small trick that’s not in the books to properly bleed the cooling system on Toyota and Lexus 3.5L 2GR-FE V6 Engine.
In this video I share with you a trick that you won’t find in the books on how to easily, quickly and effectively bleed the cooling system in your 3.5L V6 2GR-FE and 2GR-FXE engines.
Wether you’re replacing the coolant for maintenance, replaced the thermostat, replaced the water pump or did any job requiring the coolant to be drained. This procedure will apply and make your life easier.
It’s very common for this engine to overheat or cause a no heat at idle concern when not properly bled. You’ll also hear noises behind the dash like gurgling noises from the heater core if this system is not bleed right. Another common concern from not bleeding this engine right is on models with rear heat, Simply put the rear heat will not work.
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On the hybrid models you will need to put the car in maintenance mode so the engine would run all the time, Find information on maintenance mode in this video:
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0:45 Coolant Drain and general info
2:29 Filling and Bleeding