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Old 01-04-2009, 05:41 PM
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Default AC Light Blinking

Just made the 1400 mile run to the Keys and arrived here yesterday. Tried to use the AC and have a blinking AC light. The air coming through the vents gets warm and we have no cold air. I realize most people do not use AC during the winter but we are going to need it here. No Toyota dealers here that I am aware of so I am asking if anyone has any experience with fixing this problem outside of taking it to a dealer. Also, I do not have my tools with me so if you can provide a list of tools needed to fix this that would help a lot when it comes to begging/buying/borrowing tools.

My internet access here is extremely limited so I will check on line whenever I can.

Thanks for any help or suggestions anyone may have to offer. While I am at it, if there are any TS members here in the Keys drop me a line and let's see if we can all get together for an afternoon of grilling out and talking truck. It would be a family friendly deal.

Trying to keep the family comfortable in the Keys,
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Highwaylizard 2004 Tundra Double Cab Limited Edition 4.7 liter V8, four speed automatic, four wheel drive, testing platform for fuel economy, self designed cold air intake using ram air principle, Fitch Fuel Catalyst, Aero Turbine, "Foolie Exhaust" from Aero Turbine back, True Flow Intake with True Flow foam filter, Mobile 1 in the engine, K&N oil filter, Royal Purple in the differentials. 3:91 gears in the front (Thanks Cajuntundra!) and rear (Thanks Nytrousboy!) differentials, Toyo H/T Open Country tires.
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Old 01-04-2009, 07:13 PM
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Default Re: AC Light Blinking

My guess would be that you are simply low on freon. Get it checked (if possible) or buy a can of freon at any automotive store. They have self service cans that include a pressure guage. Your low pressure switch will keep the unit from coming on. (protects the compressor)

I wish I could come to your cookout! It's 26 degrees here.
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Last edited by single; 01-04-2009 at 07:14 PM.
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Old 01-05-2009, 08:41 AM
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Default Re: AC Light Blinking

Quote:
Originally Posted by single View Post
My guess would be that you are simply low on freon. Get it checked (if possible) or buy a can of freon at any automotive store. They have self service cans that include a pressure guage. Your low pressure switch will keep the unit from coming on. (protects the compressor)

I wish I could come to your cookout! It's 26 degrees here.
We will be here for at least two months so start driving!! We will be here when you get here. Yeah, it's tough here in the Keys but someone from the forum has to do it. I am always willing to take one for the team.

Thanks for the advice I am going to the NAPA up the road here to see if I can test it.

Thanks,

Toby
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Highwaylizard 2004 Tundra Double Cab Limited Edition 4.7 liter V8, four speed automatic, four wheel drive, testing platform for fuel economy, self designed cold air intake using ram air principle, Fitch Fuel Catalyst, Aero Turbine, "Foolie Exhaust" from Aero Turbine back, True Flow Intake with True Flow foam filter, Mobile 1 in the engine, K&N oil filter, Royal Purple in the differentials. 3:91 gears in the front (Thanks Cajuntundra!) and rear (Thanks Nytrousboy!) differentials, Toyo H/T Open Country tires.
testis amotio per pera

On the lookout for the next ex-Mrs. Lizard

140,612 miles on the odometer Tundra Fuel Economy Blog

18+ MPG on the Highway at 75 MPH in a DC with a four speed automatic - not too shabby!

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Old 01-05-2009, 09:46 AM
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Default Re: AC Light Blinking

Quote:
Originally Posted by Highwaylizard View Post
Just made the 1400 mile run to the Keys and arrived here yesterday. Tried to use the AC and have a blinking AC light. The air coming through the vents gets warm and we have no cold air. I realize most people do not use AC during the winter but we are going to need it here. No Toyota dealers here that I am aware of so I am asking if anyone has any experience with fixing this problem outside of taking it to a dealer. Also, I do not have my tools with me so if you can provide a list of tools needed to fix this that would help a lot when it comes to begging/buying/borrowing tools.

My internet access here is extremely limited so I will check on line whenever I can.

Thanks for any help or suggestions anyone may have to offer. While I am at it, if there are any TS members here in the Keys drop me a line and let's see if we can all get together for an afternoon of grilling out and talking truck. It would be a family friendly deal.

Trying to keep the family comfortable in the Keys,
Mine done that one time and if the light blinks it does mean that the freon is low. The reason mine was low is cause i has a hole in the line.
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Old 01-05-2009, 10:28 AM
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Default Re: AC Light Blinking

Sounds like the a/c compressor is not engaging. There should not be "freon" in that system...R134 maybe?
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Stubby antenna
Clear Bra,
ARB Bumper,
Line-X,
325/60/18 Nitto Terra Grapplers,
18" KMC XD Hoss Black,
ARE CX Series Topper,
KC Rally 800 long range lights,
Tinted windows,
Wet Okoles Frt & Rear,
Weather Tech rain deflectors,
Weather Tech floor liners frt/rear,
Ready Lift 2.4"
Bel Vector 995 Radar Detector,
Wilson cellular booster,
Cobra 75 WX ST Compact/Remote CB,
Sirius Satellite Radio,
S&W .38 Spl Laser grip (hot pink),
TRD sway bar (black widow style),
Debadged except TRD sticker,
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Old 01-05-2009, 05:49 PM
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Default Re: AC Light Blinking

Quote:
Originally Posted by OntheRox View Post
Sounds like the a/c compressor is not engaging. There should not be "freon" in that system...R134 maybe?
From: Freon - Wikipedia, the free encyclopedia

DuPont began producing hydrofluorocarbons as alternatives to Freon in the 1980s. These included Suva refrigerants and Dymel propellants.[6] Any of these gases that are used as refrigerants are designated by an "R-" number and colloquially known as "Freon", whether they are made by DuPont or another supplier.
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Old 01-05-2009, 06:26 PM
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Default Re: AC Light Blinking

Quote:
Originally Posted by single View Post
From: Freon - Wikipedia, the free encyclopedia

DuPont began producing hydrofluorocarbons as alternatives to Freon in the 1980s. These included Suva refrigerants and Dymel propellants.[6] Any of these gases that are used as refrigerants are designated by an "R-" number and colloquially known as "Freon", whether they are made by DuPont or another supplier.
Whatever...the word freon is a generalization...I wasnt trying to step on anyones toes...I actually know a thing or two about a/c systems, but nice try with the Wiki
__________________
2007 Tundra DC 4.7 SR5 TRD 4X4
Stubby antenna
Clear Bra,
ARB Bumper,
Line-X,
325/60/18 Nitto Terra Grapplers,
18" KMC XD Hoss Black,
ARE CX Series Topper,
KC Rally 800 long range lights,
Tinted windows,
Wet Okoles Frt & Rear,
Weather Tech rain deflectors,
Weather Tech floor liners frt/rear,
Ready Lift 2.4"
Bel Vector 995 Radar Detector,
Wilson cellular booster,
Cobra 75 WX ST Compact/Remote CB,
Sirius Satellite Radio,
S&W .38 Spl Laser grip (hot pink),
TRD sway bar (black widow style),
Debadged except TRD sticker,
Roxy Sticker
TS Tank Top
____________________________
Wish list:
Horn Blaster train horn, ARB rear bumper (if they ever make one) or line-x rear bumper, Color matched fender flares, Underseat storage of some sort, Winch (if i can ever afford one), GPS system! Sun roof! Going broke thinking about it.
__________________________________________
Word of the month: June 2009
Homoticon (courtesy of BS&E)
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  #8 (permalink)  
Old 01-05-2009, 09:13 PM
single's Avatar
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Default Re: AC Light Blinking

Quote:
Originally Posted by OntheRox View Post
Whatever...the word freon is a generalization...I wasnt trying to step on anyones toes...I actually know a thing or two about a/c systems, but nice try with the Wiki
I do too!
__________________
White 06 SR5 DC - Westin Nerf bars
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TRD aftermarket LSD - WhiteNight Back Up Lights
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Hellwig 7700 - Firestone Sport Rite Air Springs

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