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#4541509 - 10/12/17 07:26 PM AC starts working after about 5 minutes?
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4858
Loc: Houston, Texas
Is it getting low on Freon maybe? I find it odd that it seems to start cooling right about the time that I get to my destination.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4541520 - 10/12/17 07:33 PM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
StevieC Offline


Registered: 08/21/08
Posts: 17116
Loc: Ontario, Canada
My Journey is like that... When I first got it 2 years ago, it was instant now it takes a good 5-10 minutes to start feeling the cold air. My dad has his mechanics and A/C license and put the gauges on it and it's pulling the right pressures. We tried adding and removing some refrigerant but no change.

If I turn on the Rear A/C with the front touchscreen it seems to cool faster, I think because it increases the duty cycle of the compressor and maybe opens another valve to feed the rear. I don't know...

Never had this problem with my Santa Fe in 300K Miles (535,000 km's) before the engine died.
_________________________
'15 Dodge Journey - 90,000 KM's - SSO 5w20
'06 Hyundai Santa Fe - 535,000km - SSO 0w30 (R.I.P)

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#4541555 - 10/12/17 08:22 PM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
Nick1994 Online   content


Registered: 02/19/13
Posts: 10128
Loc: Phoenix, AZ
Could be a lot of things.

A family member had a 2013 VW Beetle TDI that often times the A/C wouldn't work for 5-10 minutes, then it would magically click on. Dealer replaced the compressor which worked for about 6 months, and then it got bad again. Some say it's some switch inside the compressor.
_________________________
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

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#4541575 - 10/12/17 08:39 PM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
clinebarger Offline


Registered: 12/19/13
Posts: 1920
Loc: Fort Worth, Texas
How is the air volume out of the vents? That generation Dodge is bad about the recirculation door breaking & blocking the inlet to the blower motor.

Start the truck, The Accumulator should get cold (34-45 degrees) within a minute if the freon charge is anywhere close.
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4541584 - 10/12/17 08:45 PM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4858
Loc: Houston, Texas
You mean that silver thing that drips water? The volume is just like it always has been.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4541590 - 10/12/17 08:49 PM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
clinebarger Offline


Registered: 12/19/13
Posts: 1920
Loc: Fort Worth, Texas
Originally Posted By: motor_oil_madman
You mean that silver thing that drips water? The volume is just like it always has been.


Yes, The silver thing.
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4541832 - 10/13/17 05:56 AM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
exranger06 Offline


Registered: 01/25/08
Posts: 3911
Loc: Guilford, CT
Is the compressor clutch engaging as soon as you turn the AC on? If not, it could be an electrical problem such as a relay that works intermittently.
_________________________
2006 Ford Ranger Sport
1992 Honda Accord EX
2004 Honda CR-V LX
1994 Ford Bronco XLT (project)
2011 Cadillac Escalade ESV (wife's)

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#4541898 - 10/13/17 07:35 AM Re: AC starts working after about 5 minutes? [Re: motor_oil_madman]
WobblyElvis Offline


Registered: 09/23/14
Posts: 1353
Loc: Toronto Canada
Try this with the engine running and the AC just turned on, USE EXTREME CAUTION. Put your hand on the pipes [inlet and outlet] right at the compressor soon as you turn the AC on. One pipe should get very hot and the other very cold. This should happen with 30 seconds of the AC being turned on.

If this works and you still do not get cold air in the cabin the problem is with either the air box [blend door or fan] or the evaporator core is plugged or metering valve is malfunctioning.

If you don't find the pipes hot and cold, then the compressor or clutch or Freon is low or some other problem under the hood.

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