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Cold in 08 Tacoma - Heater Box TSB?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Lexirob, Feb 5, 2010.

  1. Feb 5, 2010 at 3:47 PM
    #1
    Lexirob

    Lexirob [OP] Member

    Joined:
    Jan 1, 2010
    Member:
    #28552
    Messages:
    17
    Gender:
    Male
    First Name:
    Rob
    Rhode Island
    Vehicle:
    08 Tacoma 4x4 Double Cab
    Step Bars
    One of my responses to a previous thread asking for defects or issues related to the fact that for the past 3 winters I've been freezing my ass off even when the truck is warmed up. Three days ago I came across TSB-0072-09 which is the fix for a decrease in air flow out of the vents when the heat is set to full high. Wouldn't you know it, I went outside and set my heat to full cold. When I switched it to full hot, the air volume out of the floor vents decreased by what I estimate is one half. The underseat vents that supply the rear cab hardly emit any air flow at all.

    Has anyone had this TSB done? What I am concerned about is that if I increase the air flow through the heater box, does the air come out cooler because air is flowing through the heater box at a faster rate?
     
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