Just a little tip...
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Senior User
Joined: Mar 2001
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From: gulf coast
Just a little tip...
The weather down here on the Gulf Coast has been really hot and humid as per normal for this time of year. The climate will let you know real qick if your AC is functioning properly. Well the system on my 95 just wasn't up to snuff even though all the usual checks showed no problem. I decided to take a look at my evaporator coil by removing the blower motor. An inspection with a flashlight and mirror indicated the problem. The coil was filthy. Had a complete covering of lint/dirt over the entire surface and even a piece of paper covering part of it. Cleaned her out with a water hose and some Mean Green. Workin' like a new one now. Not a real difficult task if you have a hankerin' to check yours. Had to remove the washer fluid reservoir in order to get the blower motor off but it only has two bolts so no biggy...
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Interesting ... thanks for that. My beast pukes H20 / condensation all over the place when parked, and yet - the air temps in the cab seem - well - just not very cold for Max / AC or whatever ...
Wonder if thats what my problem is [wit hthe A/C :-]
Wonder if thats what my problem is [wit hthe A/C :-]
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Senior User
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From: gulf coast
The thing that sorta led me to check the evap coil was that even though the fan SOUNDED like it was really blowing on max cool, there really wasn't as much air coming out of the vents as I thought there should be. Wouldn't hurt to give her a look..
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Joined: Jun 2004
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From: Perkins, OK
Thanks for the advice - I hadn't even considered the evap coil. Mine's a little anemic, too. After pulling the inside covers off the doors and finding all the crud there, I can imagine what my coil looks like! I'm gonna do some cleaning this weekend!
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From: gulf coast
Compressed air may have worked ok if the scum was dry but mine was like a big ole nasty wet sponge. Unbelievable the difference it has made. Like driving a new truck.
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Lead Driver
Joined: May 2000
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From: Senoia, GA
when i bought my truck the A/C didn't work and blew out warm air. well long story short there was a squirrels nest filling the entire plastic box, the blower motor couldn't hardly turn. now it is almost too cold, been that way for 2 years now!
-cutts-
-cutts-
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Gone Fishin for Mark
Joined: Nov 2004
Posts: 1,354
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From: West of Houston
O.K. So I pulled the blower motor to check mine, and the TWO square inches that I could actually see are really clogged.
Couple of questions....How the heck do I access the coil to clean it? If I just insert a hose and start squirting, where will all the water go? Why is it that bad to begin with? And when I turned it off to pull the blower motor I could see that my re-circ door was open, I left it in the max position so it should have been closed. Not to mention that it is really hot down this way today.......
Forgot to mention..'99 PSD.
Couple of questions....How the heck do I access the coil to clean it? If I just insert a hose and start squirting, where will all the water go? Why is it that bad to begin with? And when I turned it off to pull the blower motor I could see that my re-circ door was open, I left it in the max position so it should have been closed. Not to mention that it is really hot down this way today.......
Forgot to mention..'99 PSD.
Last edited by joegebff; Aug 1, 2005 at 05:45 PM.
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From: gulf coast
I'm not up to speed on the 99 set-up so don't know how much help I can be.The reason my coil was so dirty is because there is no filter on the inlet air (I think some of the newer models have a filter). The wash water, or most of it, goes out through the normal drain under the truck where you see water dripping when the ac is on. A little went into the cab simply because the drain couldn't keep up. I put a towel down and soaked it up. Man, I can't tell you how much difference cleaning that coil has made in the cooling. We have been having temps in the 90s with VERY high humidity but I'm cool and comfy...
Fleet Owner
Joined: Jun 2004
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From: Rio Rico, AZ.
It's mounted under the hood next to the passenger side hood hinge. Very easy to remove, just take the little screws out around the base of the flange and it pops out. Then look in and check the fins on your evaporator.
Gone Fishin for Mark
Joined: Nov 2004
Posts: 1,354
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From: West of Houston
Yeah Kwik....I think he was gigging me about the terminology 'blower' vs the proper 'fan'.
How hard will it be for me to access the actual coils for cleaning? Just going thru the fan route dosen't give much access at all.
Either way, that project might have to wait till fall when it cools off a bit. Usually about December around here.
How hard will it be for me to access the actual coils for cleaning? Just going thru the fan route dosen't give much access at all.
Either way, that project might have to wait till fall when it cools off a bit. Usually about December around here.