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Thread: Weak AC / heat blower fan speed

  1. #1
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    Weak AC / heat blower fan speed

    It might just be me getting readjusted to the MM but it seems like the air coming out of the vents in the car is not as high as it should be. On high with MAX AC I can barely feel it blowing on my face. Could the blower motor resistor be weak? Any ideas? I'd like to get it fixed before summer and 100* temps get here.
    03 Marauder- 300B, non heated seats, T/C, no CD changer
    03 Marauder- 300A, Eaton Swapped, SOLD

    03 Marauder- 300A, 5544 of 7839 in 03, Trilogy #24, SOLD
    04 Marauder- 300B, SB with LF interior, 208k miles and still ticking SOLD

  2. #2
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    Quote Originally Posted by Drewstang View Post
    It might just be me getting readjusted to the MM but it seems like the air coming out of the vents in the car is not as high as it should be. On high with MAX AC I can barely feel it blowing on my face. Could the blower motor resistor be weak? Any ideas? I'd like to get it fixed before summer and 100* temps get here.
    Could be the EATC or the BCM.

    Run the EATC self-test.

    Have the o-rings been replaced in the EATC?

    Try tapping the BCM with a screwdriver handle.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  3. #3
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    Quote Originally Posted by fastblackmerc View Post
    Could be the EATC or the BCM.

    Run the EATC self-test.

    Have the o-rings been replaced in the EATC?

    Try tapping the BCM with a screwdriver handle.
    I haven't replaced the O rings yet. I've got about 90 of them left. Where is the BCM located?
    03 Marauder- 300B, non heated seats, T/C, no CD changer
    03 Marauder- 300A, Eaton Swapped, SOLD

    03 Marauder- 300A, 5544 of 7839 in 03, Trilogy #24, SOLD
    04 Marauder- 300B, SB with LF interior, 208k miles and still ticking SOLD

  4. #4
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    Quote Originally Posted by Drewstang View Post
    I haven't replaced the O rings yet. I've got about 90 of them left. Where is the BCM located?
    Behind the passenger side cam cover.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  5. #5
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    Can you spare a few o rings?

  6. #6
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    I lost the MAX high a long time ago. Still trying to find a junk yard one that works properly. The last one I got only blows out the top vent, hence the o ring need.

  7. #7
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    BCM

    Quote Originally Posted by Drewstang View Post
    I haven't replaced the O rings yet. I've got about 90 of them left. Where is the BCM located?
    Sent you a PM

  8. #8
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    Quote Originally Posted by BLACKMARAUDER04 View Post
    I lost the MAX high a long time ago. Still trying to find a junk yard one that works properly. The last one I got only blows out the top vent, hence the o ring need.
    Even junk yards ones will need repair.

    I can fix yours, PM me.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  9. #9
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    Quote Originally Posted by BLACKMARAUDER04 View Post
    Can you spare a few o rings?
    Yeah, PM me your address and I'll send some out.
    Quote Originally Posted by jimbok1951 View Post
    Sent you a PM
    Replied.
    Quote Originally Posted by fastblackmerc View Post
    Even junk yards ones will need repair.

    I can fix yours, PM me.
    The self test on the EATC made a difference. Not sure how, but it blows much stronger than before. I had to turn the A/C down last night on my way home.
    03 Marauder- 300B, non heated seats, T/C, no CD changer
    03 Marauder- 300A, Eaton Swapped, SOLD

    03 Marauder- 300A, 5544 of 7839 in 03, Trilogy #24, SOLD
    04 Marauder- 300B, SB with LF interior, 208k miles and still ticking SOLD

  10. #10
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    Quote Originally Posted by Drewstang View Post
    The self test on the EATC made a difference. Not sure how, but it blows much stronger than before. I had to turn the A/C down last night on my way home.
    That will work for awhile, then you'll need to start fixing things.
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  11. #11
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    Quote Originally Posted by fastblackmerc View Post
    That will work for awhile, then you'll need to start fixing things.
    O rings and BCM solder, correct?
    03 Marauder- 300B, non heated seats, T/C, no CD changer
    03 Marauder- 300A, Eaton Swapped, SOLD

    03 Marauder- 300A, 5544 of 7839 in 03, Trilogy #24, SOLD
    04 Marauder- 300B, SB with LF interior, 208k miles and still ticking SOLD

  12. #12
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    Quote Originally Posted by Drewstang View Post
    O rings and BCM solder, correct?
    Correct............
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




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