2020 Toyota Tundra with a Rattling Noise in the Dash Area

MG

Moderator
There are a few things you are going to want to check. 1) Press on the black brake line holders on the firewall inside engine bay and make sure they are clicked in good 2) Try checking if the heater core lines are close to each other or touching and rattling on each other and 3) check the computer on passenger side, it can rattle internally when accelerating HTH
 
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