GX - 2nd Gen (2010-2023) Discussion topics related to the 2010 + GX460 models

Leaking Coolant

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Old Nov 2, 2024 | 10:28 AM
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Default Leaking Coolant

Hello! Before I spend a small fortune on the dealership, I am hoping someone can guide me on whether this can be a DIY fix or if it is better off in the hands of the service department. I have a 2011gx460, and the temperature spiked the other day. It was severely low on coolant. I fixed that issue and noticed it has a slow leak while parked and appears to be coming out of somewhere. I am not sure if it is the radiator itself, water pump, hoses, clamps, etc. I have attached a video to show what it looks like and where the coolant appears to be coming from. The bolt appears to be wet, so it could be there. I would appreciate any help you can provide. I can do things with instructions and would like to save money if possible.
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IMG_0184.MOV (9.72 MB, 56 views)
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Old Nov 2, 2024 | 01:27 PM
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That looks like radiator to me




#radiator #coolant

Last edited by Acrad; Nov 3, 2024 at 10:06 AM.
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Old Nov 2, 2024 | 02:05 PM
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Massive over exposure aside your radiator is cooked like a Christmas ham.
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Old Nov 3, 2024 | 02:22 AM
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Yes, radiator as mentioned. If the vehicle has 100k+ miles, it is a good idea to replace the water pump and thermostat also.

Radiator thread: https://www.clublexus.com/forums/gx-...-comments.html
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Old Nov 4, 2024 | 07:11 AM
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Items to replace: radiator, water pump, thermostat, serpentine belt, upper and lower radiator hoses, two idlers, belt tensioner,
Took me 5 hours for the whole job. No need to remove bumper to replace the radiator.
a 16 inch long screw driver (from harbor freight) and a slender long 12mm wrench are a life saver in removing the fan.
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Old Nov 4, 2024 | 01:54 PM
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A DIY'er can handle it, I've done it on a similar vehicle. Was time consuming.

just curious what the dealership is quoting you?
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