Heat is restricted - Toyota Tundra Forums : Tundra Solutions Forum
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post #1 of 1 (permalink) Old 01-28-2019, 02:29 PM Thread Starter
Join Date: Oct 2018
Posts: 2
Heat is restricted

I have a 2001 Tundra access cab with the 4.7 engine. I have an issue where my vents blow strong when the dial is set to AC but as soon as I turn it over to the Heat the air flow is restricted. I can feel the air flowing through slowly become warmer but the air flow is so restricted that it doesn't heat the cab well at all. I am thinking the heater core is likely littered with leaves or something else given the age of truck and its just blocked. I have heard to replace the unit, the whole dash needs to come apart but I was hoping to see if there was any way I can view the unit without removing everything. Just to note, when moving the temperature dial I have see the heater control valve and blender door mechanism move.

Last edited by BW90; 01-28-2019 at 06:42 PM.
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