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  1. #1
    Member Array
    Join Date
    Apr 2012
    Location
    Melbourne, VIC
    Car:
    CU2 Accord Euro

    CU2 Heater isn't very 'hot'

    Hey guys,

    My '08 Lux CU2 heater just doesn't feel very hot anymore.

    I don't know if it's that cold this winter that it's not working but when I have it set to 'Hi' i expect hot air to be blowing out, but it's just warm air. The car takes longer than usual to properly be toasty.

    My 2005 CR-V doesn't have climate control, but when the dial is turned all the way to warm I can only put my hand on the vent for a few seconds before it starts to burn as it's too hot. I can keep my hand on my for ages and it wont get anywhere near that.


    Is this normal? What could be the problem here or am I imagining things?
    '97 Teg VTi-R - GONE :'( -> '08 CU2

  2. #2
    Ninja turtle Array
    Join Date
    May 2004
    Location
    Sydney
    Car:
    Chloe
    Have you checked that your coolant temperature is warm (needle pointing close to the middle) when you turn the heater on? That is where the heat comes from.
    --------------------------------------
    Stocky CL9 - 1:17.2

  3. #3
    Member Array
    Join Date
    Apr 2012
    Location
    Melbourne, VIC
    Car:
    CU2 Accord Euro
    Yeah man it is warm when I check it,

    Here's a pic from last night Click image for larger version. 

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    '97 Teg VTi-R - GONE :'( -> '08 CU2

  4. #4
    Ninja turtle Array
    Join Date
    May 2004
    Location
    Sydney
    Car:
    Chloe
    Quote Originally Posted by ExpressCoffee View Post
    Yeah man it is warm when I check it,

    Here's a pic from last night Click image for larger version. 

Name:	ImageUploadedByTapatalk1373425197.890159.jpg 
Views:	191 
Size:	14.1 KB 
ID:	25204
    Also, is the climate control set to recirculate? If you set it for fresh air, the cold Melb air plus high fan means there is not enough time for the heater core to warm up the air coming in.
    --------------------------------------
    Stocky CL9 - 1:17.2

  5. #5
    Member Array
    Join Date
    Apr 2012
    Location
    Melbourne, VIC
    Car:
    CU2 Accord Euro
    It's always on recirculate. Every time I turn it off that funky smell starts coming out till I put it back on..
    Last edited by ExpressCoffee; 11-07-2013 at 11:41 AM.
    '97 Teg VTi-R - GONE :'( -> '08 CU2

  6. #6
    Member Array
    Join Date
    Oct 2008
    Car:
    07 Accord Euro Luxury 6MT
    Have you checked the cabin air filter?

    - HZ

  7. #7
    Member Array
    Join Date
    Feb 2011
    Location
    Pinegrove Memorial Park
    Car:
    RB3
    My wife's CU2 is the same. On my RB3, I set it on 23 deg and hot air comes out...in her car, at 23 deg cool air still comes out...must be a CU2 thing.

  8. #8
    Member Array
    Join Date
    Apr 2012
    Location
    Melbourne, VIC
    Car:
    CU2 Accord Euro
    Quote Originally Posted by HunterZero View Post
    Have you checked the cabin air filter?

    - HZ
    No I haven't. I don't imagine that it's hard to do?
    What would I be looking for exactly? A dirty/clogged filter?


    Quote Originally Posted by Adrian128 View Post
    My wife's CU2 is the same. On my RB3, I set it on 23 deg and hot air comes out...in her car, at 23 deg cool air still comes out...must be a CU2 thing.
    Yeah 23 is pretty cool air for me.. I must investigate using a friends CU2 also..
    '97 Teg VTi-R - GONE :'( -> '08 CU2

  9. #9
    Member Array
    Join Date
    Oct 2008
    Car:
    07 Accord Euro Luxury 6MT
    Quote Originally Posted by ExpressCoffee View Post
    No I haven't. I don't imagine that it's hard to do?
    What would I be looking for exactly? A dirty/clogged filter?
    Dirty/old filter will cause cabin smell. Clogged filter may reduce the effectiveness of the AC, both for heating and cooling.

    The air filter is located behind the glove box. The glove box unhooks and hinges down. Easy to do.

    - HZ

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