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Air flow restriction

Tiny
KNOTTOOLD
  • MEMBER
  • BUICK LESABRE
1993 buick lesabre 113000 mi.
How do you get at the A-coil to clean? The fan blows good, but not much air comes out of heater, defrost, or vents. I think the A-coil is blocking the fiow, but I don't know how to get to it to clean.
Thanks in advance!
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Tuesday, September 4th, 2007 AT 2:03 PM

3 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
If you are askig haow to clean the evaporator core, You'll need to remove it.
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Tuesday, September 4th, 2007 AT 3:20 PM
Tiny
KNOTTOOLD
  • MEMBER
  • 2 POSTS
Please answer the question, How to get to it to remove it.
Thanks
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Tuesday, September 4th, 2007 AT 6:03 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
First discharge the a/c system then disconnect the accumulator and the evap core under the hood, locate the bolts that go thru the firewall then split the case! This is a lot of work to try and clean an evap core, first check for a cabin air filter! remove the cowl under the wipers and check for a filter...


http://www.2carpros.com/forum/automotive_pictures/62217_Lesab_Evap_1.jpg


http://www.2carpros.com/forum/automotive_pictures/62217_30961_mitchell_2_7.jpg

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Tuesday, September 4th, 2007 AT 6:19 PM

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