Passenger side A/C not cold - Land Rovers Only

2002DiscoII · 07-30-2006, 07:51 PM

OK, since you guys are 99.5% more knowledgable than the guys at the dealer I need some information. I am having issues with the AC on my 2002 Disco II, and have called the dealer for pointers a couple of times trying to avoid bringing her in for service. The A/C on the driver's side is ice cold, on the passenger more like luke warm. I'm only getting water dripping from one of the nipples and have tried unclogging the nipple both from underneath the car and from the interior. My carpet isn't wet at all, but there is no cold air. What gives? What else could be wrong? If the nipple isn't clogged and I'm not getting any wetness on the carpet, could the condenser be bad? Is there a seperate condenser for each side of the car?

any help would be great!!!!
andy

Disco Mike · 07-31-2006, 06:10 AM

You will have either a bad a/c control unit or a control door problem, not allowing the cold air in to the right side.
Read your owners manual, there is a test procedure you can do spelled out in there that will give you an a/c fault code, can't remember what the process is so go read up.
Once you get the code, call the dealer or good Rover shop and see what they say.
Mike

wolf · 07-31-2006, 06:20 AM

i have the same problem, if anyone has had this and delt with it please add on

Disco Mike · 07-31-2006, 07:13 AM

Quote:

Originally Posted by wolf

i have the same problem, if anyone has had this and delt with it please add on

No need to add on, do the self test and once the cause is found decide if you can do it or let a shop have it. 90% of Disco a/c problems are best handled by a mechanic, quite often some or all of the dash will need to be removed.
Mike

imag · 07-31-2006, 08:31 PM

2002DiscoII and wolf,

I wanted to attach a file with climate control diagnostics instruction, but the file is slightly bigger than what is allowed here. I'll try to PM you the PDF file. Suggest that you run through these diagnostics and see what comes up. May be helpful.

The beginning of the file is like this...

"OBD operation
To read the fault codes, turn off the ignition, hold down the auto and air distribution buttons simultaneously and turn the ignition to position II. All the LCD indicators will be displayed. Shown in the left hand temperature setting are the initials for fault code FC. Any fault codes detected are then displayed where the right hand temperature selection is displayed.
There is a possibility that fault codes 21 and 22 will be displayed. These are the fault codes for the solar sensor. These codes will be shown if the ignition is switched to position II and the vehicle is subjected to reduced ambient light.
To eliminate these fault codes, go through the above procedure again but shine a torch or other light onto the solar sensor. This will eliminate these fault codes. If the position of the windscreen wiper arms is incorrect, the functionality of the solar sensor will be impaired.
Service
Always refer to the vehicle workshop manual when working on the vehicle’s air
conditioning.
All temperature sensors must be serviced as a unit.
A service option available through Unipart (Part No JFQ 100080) is a small link lead which connects into the back of the ATC unit and keeps the temperature reading permanently in degrees Fahrenheit or centigrade, to suit customer preference.
Refer to the workshop manual for the oil and refrigerant capacities and specifications.

hope it helps...

wolf · 08-01-2006, 07:23 AM

thanks bud, today its 47 degrees cel. with the humidex

love my disco, but DAMN my disco

Figman · 08-01-2006, 07:32 AM

Hello friends:

my DII '01 is doing the same thing; the left side is cold and somethings just cool while the right side is throwing warm air. I really dont use it much but lately with the heat in NY I have no choice. the truck is not dripping water inside the cabin but now I am certain that the system has a problem. This morning I turned the AC on and the left side is working fine meanwhile the right side is throwing warn air; then I got stuck in traffic and turn it off just to test it. Later I turned back on and I was getting warn air from both sides.

this is crazy; as always your suggestions are welcome

Figman

imag · 08-01-2006, 09:27 AM

Figman,
I have emailed the full diagnostics file to the others with the problem.
Feel free to PM me for the diagnostics file with your email address, so that I can send to you.

As I never had this issue, I never had to diagnose the climate control system - Let's see if 2002DiscoII or WOLF are able to diagnose their problem.

2002DiscoII · 08-01-2006, 06:50 PM

ok, so I ran the diagnostics tonight, and got a FC of 00, which shows "normal". WTF? I know it isn't normal because the passenger side just isn't cold, AT ALL. No wet carpets, no water dripping from passenger side nipple. I don't get it? Any help????

andy

imag · 08-01-2006, 07:49 PM

sorry that the diagnostics weren't that helpful.

Disco Mike · 08-02-2006, 05:55 AM

Quote:

Originally Posted by 2002DiscoII

ok, so I ran the diagnostics tonight, and got a FC of 00, which shows "normal". WTF? I know it isn't normal because the passenger side just isn't cold, AT ALL. No wet carpets, no water dripping from passenger side nipple. I don't get it? Any help????

andy

Andy, wait and run the test during the day, when it is hotter the hell, with the temp set to max cold, in full sun light. See what happens.
Mike

2002DiscoII · 08-02-2006, 10:02 AM

Mike:

it's about 92F outside, and I just tried the test, same STINKING fault code "00".

Let me ask, is it possible that the arms that control the air flow aren't opening for the A/C on the passenger side?

I mean, are they the same arms that work for the heater?

If they aren't opening completely, would that cause more water to run through the driver side nipple?

Like I have said, I have no wet carpets and nothing clogged in the line on the passenger side (at least not that I can tell, I stuck wire through the hole like the Land Rover service guy told me to do)? I am completely confused now???

2002DiscoII · 08-02-2006, 10:03 AM

Quote:

Originally Posted by imag

sorry that the diagnostics weren't that helpful.

not your fault, I appreciate you supplying this information....

andy

Disco Mike · 08-02-2006, 12:44 PM

Yes, one of the control arms could be a problem but that should have shown up on the test.
I would suggest you get it ti a shop that can handle it and have them test and estimate for you, this is a job you don't want to tackle.
Mike

2002DiscoII · 08-03-2006, 07:15 AM

disco mike:

you seem to be a god on these forums, any idea why the code wouldn't have shown up if one of the control arms is giving me an issue? this has been a great truck with almost zero problems, just getting confused on the A/C issue.

would the RAVE cd give details on getting behind the dash to see the control arms? I really don't want to pay $$$$$$ just to get it to work. It really sucks because I bought the truck in the winter when I couldn't test the air because of the cold temps, so now with the 90+ degree heat I have to listen to my wife complain.

07-30-2006, 07:51 PM	#1 (permalink)
2002DiscoII New Land Rover Owner Join Date: Jan 2006 Location: Ohio Posts: 89 Gallery: 0	Passenger side A/C not cold OK, since you guys are 99.5% more knowledgable than the guys at the dealer I need some information. I am having issues with the AC on my 2002 Disco II, and have called the dealer for pointers a couple of times trying to avoid bringing her in for service. The A/C on the driver's side is ice cold, on the passenger more like luke warm. I'm only getting water dripping from one of the nipples and have tried unclogging the nipple both from underneath the car and from the interior. My carpet isn't wet at all, but there is no cold air. What gives? What else could be wrong? If the nipple isn't clogged and I'm not getting any wetness on the carpet, could the condenser be bad? Is there a seperate condenser for each side of the car? any help would be great!!!! andy

07-31-2006, 06:20 AM	#3 (permalink)
wolf Senior Member Join Date: Jun 2005 Location: Oakville Posts: 780 Gallery: 4	i have the same problem, if anyone has had this and delt with it please add on __________________ Remember, we're there too.

07-31-2006, 08:31 PM	#5 (permalink)
imag Member Join Date: Aug 2005 Location: Philadelphia, PA Posts: 66 Gallery: 0	Climate Control diagnostics 2002DiscoII and wolf, I wanted to attach a file with climate control diagnostics instruction, but the file is slightly bigger than what is allowed here. I'll try to PM you the PDF file. Suggest that you run through these diagnostics and see what comes up. May be helpful. The beginning of the file is like this... "OBD operation To read the fault codes, turn off the ignition, hold down the auto and air distribution buttons simultaneously and turn the ignition to position II. All the LCD indicators will be displayed. Shown in the left hand temperature setting are the initials for fault code FC. Any fault codes detected are then displayed where the right hand temperature selection is displayed. There is a possibility that fault codes 21 and 22 will be displayed. These are the fault codes for the solar sensor. These codes will be shown if the ignition is switched to position II and the vehicle is subjected to reduced ambient light. To eliminate these fault codes, go through the above procedure again but shine a torch or other light onto the solar sensor. This will eliminate these fault codes. If the position of the windscreen wiper arms is incorrect, the functionality of the solar sensor will be impaired. Service Always refer to the vehicle workshop manual when working on the vehicle’s air conditioning. All temperature sensors must be serviced as a unit. A service option available through Unipart (Part No JFQ 100080) is a small link lead which connects into the back of the ATC unit and keeps the temperature reading permanently in degrees Fahrenheit or centigrade, to suit customer preference. Refer to the workshop manual for the oil and refrigerant capacities and specifications. hope it helps... __________________ 2001 Discovery SE7

08-01-2006, 07:23 AM	#6 (permalink)
wolf Senior Member Join Date: Jun 2005 Location: Oakville Posts: 780 Gallery: 4	thanks bud, today its 47 degrees cel. with the humidex love my disco, but DAMN my disco __________________ Remember, we're there too.

08-01-2006, 09:27 AM	#8 (permalink)
imag Member Join Date: Aug 2005 Location: Philadelphia, PA Posts: 66 Gallery: 0	Figman, I have emailed the full diagnostics file to the others with the problem. Feel free to PM me for the diagnostics file with your email address, so that I can send to you. As I never had this issue, I never had to diagnose the climate control system - Let's see if 2002DiscoII or WOLF are able to diagnose their problem. __________________ 2001 Discovery SE7

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07-31-2006, 06:10 AM	#2 (permalink)
Disco Mike Moderator Join Date: Aug 2004 Location: Parker, Colorado Posts: 5,290 Gallery: 0	You will have either a bad a/c control unit or a control door problem, not allowing the cold air in to the right side. Read your owners manual, there is a test procedure you can do spelled out in there that will give you an a/c fault code, can't remember what the process is so go read up. Once you get the code, call the dealer or good Rover shop and see what they say. Mike

08-01-2006, 07:32 AM	#7 (permalink)
Figman Member Join Date: Jan 2005 Location: New York, NY Posts: 73 Gallery: 0	Hello friends: my DII '01 is doing the same thing; the left side is cold and somethings just cool while the right side is throwing warm air. I really dont use it much but lately with the heat in NY I have no choice. the truck is not dripping water inside the cabin but now I am certain that the system has a problem. This morning I turned the AC on and the left side is working fine meanwhile the right side is throwing warn air; then I got stuck in traffic and turn it off just to test it. Later I turned back on and I was getting warn air from both sides. this is crazy; as always your suggestions are welcome Figman

08-01-2006, 06:50 PM	#9 (permalink)
2002DiscoII New Land Rover Owner Join Date: Jan 2006 Location: Ohio Posts: 89 Gallery: 0	Still Confused... ok, so I ran the diagnostics tonight, and got a FC of 00, which shows "normal". WTF? I know it isn't normal because the passenger side just isn't cold, AT ALL. No wet carpets, no water dripping from passenger side nipple. I don't get it? Any help???? andy

08-01-2006, 07:49 PM	#10 (permalink)
imag Member Join Date: Aug 2005 Location: Philadelphia, PA Posts: 66 Gallery: 0	sorry that the diagnostics weren't that helpful. __________________ 2001 Discovery SE7

08-02-2006, 10:02 AM	#12 (permalink)
2002DiscoII New Land Rover Owner Join Date: Jan 2006 Location: Ohio Posts: 89 Gallery: 0	Mike: it's about 92F outside, and I just tried the test, same STINKING fault code "00". Let me ask, is it possible that the arms that control the air flow aren't opening for the A/C on the passenger side? I mean, are they the same arms that work for the heater? If they aren't opening completely, would that cause more water to run through the driver side nipple? Like I have said, I have no wet carpets and nothing clogged in the line on the passenger side (at least not that I can tell, I stuck wire through the hole like the Land Rover service guy told me to do)? I am completely confused now???

08-02-2006, 12:44 PM	#14 (permalink)
Disco Mike Moderator Join Date: Aug 2004 Location: Parker, Colorado Posts: 5,290 Gallery: 0	Yes, one of the control arms could be a problem but that should have shown up on the test. I would suggest you get it ti a shop that can handle it and have them test and estimate for you, this is a job you don't want to tackle. Mike

08-03-2006, 07:15 AM	#15 (permalink)
2002DiscoII New Land Rover Owner Join Date: Jan 2006 Location: Ohio Posts: 89 Gallery: 0	disco mike: you seem to be a god on these forums, any idea why the code wouldn't have shown up if one of the control arms is giving me an issue? this has been a great truck with almost zero problems, just getting confused on the A/C issue. would the RAVE cd give details on getting behind the dash to see the control arms? I really don't want to pay $$$$$$ just to get it to work. It really sucks because I bought the truck in the winter when I couldn't test the air because of the cold temps, so now with the 90+ degree heat I have to listen to my wife complain.

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