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Skyvisions, ASE Certified Technician
Category: Lexus
Satisfied Customers: 14324
Experience:  Lexus Expert
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my going 60 mph..also temp gauge goes way up unless i run fan

Resolved Question:

my 2004 gx 470 isnt heating right. it blows cold air unless im going 60 mph. also temp gauge goes way up unless i run fan
Submitted: 5 years ago.
Category: Lexus
Expert:  Skyvisions replied 5 years ago.

Thank you for choosing JustAnswer and allowing me to help you resolve your Lexus questions!


Based on your description it sounds as though you are low on coolant. Have you noticed any coolant leaks on the ground under the vehicle? When the engine is cold checked the fluid level in the reservoir and the radiator. Do not attempt to remove any caps or pressurize systems when it is hot. Let me know if you find the coolant to be low and we can go from here.


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