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AC starts working after about 5 minutes? #4541509
10/12/17 06:26 PM
10/12/17 06:26 PM
Joined: Nov 2009
Posts: 5,123
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 5,123
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.

Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541520
10/12/17 06:33 PM
10/12/17 06:33 PM
Joined: Aug 2008
Posts: 21,228
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,228
ON, Canada eh?
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.


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541555
10/12/17 07:22 PM
10/12/17 07:22 PM
Joined: Feb 2013
Posts: 11,081
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,081
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 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541575
10/12/17 07:39 PM
10/12/17 07:39 PM
Joined: Dec 2013
Posts: 2,440
Fort Worth, Texas
clinebarger Offline
clinebarger  Offline
Joined: Dec 2013
Posts: 2,440
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/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541584
10/12/17 07:45 PM
10/12/17 07:45 PM
Joined: Nov 2009
Posts: 5,123
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 5,123
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.

Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541590
10/12/17 07:49 PM
10/12/17 07:49 PM
Joined: Dec 2013
Posts: 2,440
Fort Worth, Texas
clinebarger Offline
clinebarger  Offline
Joined: Dec 2013
Posts: 2,440
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/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541832
10/13/17 04:56 AM
10/13/17 04:56 AM
Joined: Jan 2008
Posts: 4,023
Guilford, CT
exranger06 Offline
exranger06  Offline
Joined: Jan 2008
Posts: 4,023
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)
Re: AC starts working after about 5 minutes? [Re: motor_oil_madman] #4541898
10/13/17 06:35 AM
10/13/17 06:35 AM
Joined: Sep 2014
Posts: 1,487
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,487
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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