HVAC Air Con woes

Discussion in '7th Generation (2003-2008) [Acura TSX]' started by StuH, Sunday 25th May, 2014.

  1. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    Aircon has been blowing warm and stuck on recirc unless I manually overide it. Had a gas fill done at KW (I know, but last time they did a decent job), took about 50 minutes. The lad came and told me it's not done anything, the compressor is kicking in but no cold air. I've had a look, there's nothing obvious and as they said the compressor and fan is kicking in. Has anyone else had a similar problem? 2003 2.4 car.
     
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  2. Nels Moderator Staff Team

    Sorry, cannot help, 2003 2.2 I-CTDI - never had any A/C issues.
     
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  3. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    2003? they only brought the cdti out in 2005 you did well! :Tongue:
     
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    Nels likes this.
  4. Nels Moderator Staff Team

    Oooops, :telloff:
    Should be 2004 year model. (reg in 2004)

    Good job some body is awake on here :Grin:
     
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  5. SpeedyGee Administrator Staff Team

    England Speedy Birmingham
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    Compressor may be kicking in but may not actually be compressing.
    Also the A/C evaporator maybe at fault.
    I think Honda Diagnostic System (HDS) can tell you more as it has some tests that can be performed.
     
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  6. Ichiban Founder Staff Team

    England CJ Leeds
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    Time for the airocn self diagnostics test thread me thinks. For starters do KW know how much gas the accord will take ..? I doubt it,BTW its 550 grams

    what happens on the slight glass do you see bubbles and fluid tranfer?
     
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  7. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    Sight glass has fluid going through but only the odd bubble. I pulled the clutch relay and popped it back in and it seems to be blowing ICE cold again. The visible part of the condenser is missing most of its fins and the gaps left filled with debris.
     
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  8. Ichiban Founder Staff Team

    England CJ Leeds
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    Just goes to show KW know Jack S***, glad you fixed it.
     
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  9. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    Well it's fingers crossed! I'll give the contacts a good clean in the fuse box and on the relay. Anything to be bothered about not seeing many bubbles in the sight glass? The fluid was there and moving and like I said, just the odd bubble.
     
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  10. Chrispy Senior Member ★ ★ ☆ ☆ ☆

    Chris Nottinghamshire
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    My pressure module once went which did the exact same thing as what you've described, had to replace the module and re gas / service, £200 ...nightmare. You never know it could be something simple though! :Smile:
     
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  11. Chrispy Senior Member ★ ★ ☆ ☆ ☆

    Chris Nottinghamshire
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    Furthermore, it was intermittent :Wink: faults codes stored gave it away.
     
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  12. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    Still working this morning and no bubbles at all in the sight glass. Think I'll order a new relay. I've ordered a scanner for fault codes to see if that throws anything up.
     
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  13. Chrispy Senior Member ★ ★ ☆ ☆ ☆

    Chris Nottinghamshire
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    Keep us posted! :Grin:
     
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  14. StuH Premium Member Club Supporter

    United Kingdom Stuart Lancashire
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    Well it didn't last. First few trips out were fine, nice cool air then it stopped working again. My OBD2 scanner came this morning so I scanned for fault codes, none were found. I decided to swap the air con relay for the fan one as they are the same and it came back on, cold air blasting out again. I swapped them back again and the air con was still working. So, at this stage I think the relay is failing and the cheapest next move is to replace the relay.
     
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  15. SpeedyGee Administrator Staff Team

    England Speedy Birmingham
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    Yep get the relay replaced, does sound like it is failing.

    BTW you won't be able see any Air Con fault codes on a normal OBD reader. You would need to connect upto a HDS or a top end Snap On system
     
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