AC Problems
MBWorld Fanatic!
Joined: Apr 2007
Posts: 6,171
Likes: 16
300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Okay
now you are getting somewhere
That is why what is happening is happening.
Value 5 is in default mode to tell the evap sensor to shut down the compressor so it does not freeze up. So you have cold a/c air for the first several minutes and then the comp shuts off and then the car sits for a bit and you start the cycle again.
Pick up an evap temp sensor unit under 50 bucks from www.autohausaz.com
http://www.autohausaz.com/search/pro.../Heat%20Sensor
Give me a call or look for the diy I did on evap temp sensor.
Don't remove the drivers side under dash panel till you have the part in hand since it will make it easier to tell you what to look and feel for.
Once that is replaced then the codes will clear or you will clear them and the rest of the system can be tested when fully functional.
Nearly impossible to test it with a bad evap sensor.
That is why what is happening is happening.
Value 5 is in default mode to tell the evap sensor to shut down the compressor so it does not freeze up. So you have cold a/c air for the first several minutes and then the comp shuts off and then the car sits for a bit and you start the cycle again.
Pick up an evap temp sensor unit under 50 bucks from www.autohausaz.com
http://www.autohausaz.com/search/pro.../Heat%20Sensor
Give me a call or look for the diy I did on evap temp sensor.
Don't remove the drivers side under dash panel till you have the part in hand since it will make it easier to tell you what to look and feel for.
Once that is replaced then the codes will clear or you will clear them and the rest of the system can be tested when fully functional.
Nearly impossible to test it with a bad evap sensor.
Newbie
Joined: Nov 2008
Posts: 9
Likes: 0
From: Humble, Texas
2000 E430
A/C - hot air and default vent position
Started blowing hot a couple of days ago, after going to default vent position a couple of months ago. Cannot hear hissing at center vents, but that may have something to do with vent positions.
I ran the a/c diagnostic (107,102,105,107,103,190,10,100) with no errors.
Cleaned duo valve, no change.
Checked #7 and #8 at 1,500 rmp - started after 4 minutes, then at 30 sec intervals, EC off 14,129; EC on 13;125; EC on 12,123; EC off 14,136; EC off 15,139.
Suggestions for next - including where I might find the individual flap diagnostic sequence.
MBWorld Fanatic!
Joined: Apr 2007
Posts: 6,171
Likes: 16
300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Not flaps
by the looks of the numbers you have aleak in the ac system it needs to be located repaired and recharged. You can buy a dye kit or an electronic sniffer at harborfreight tools and track down the leak.
Senior Member
Joined: Jan 2002
Posts: 295
Likes: 4
From: Long island, NY
2012 E350 4matic/97 e320 and 01 ml320
Replaced my evaporator temp sensor, disconnected the battery for 20 mins.
Still no cold air.
new codes are;
1- 31
2- 31
3- 35
4 -36
5 -33
6 -77
7- 07
8 -29
Error codes
Eb1 419 226 228 229 230 232 233 234 416 419 459 422
Any more help will be appreciated.
Thanks,
Rock
Still no cold air.
new codes are;
1- 31
2- 31
3- 35
4 -36
5 -33
6 -77
7- 07
8 -29
Error codes
Eb1 419 226 228 229 230 232 233 234 416 419 459 422
Any more help will be appreciated.
Thanks,
Rock
Newbie
Joined: Nov 2008
Posts: 9
Likes: 0
From: Humble, Texas
2000 E430
The compressor was engaging (although not with a much noticable "Drag" on the engine, but could not get the system to accept coolant last night. Took it to an indie shop today. Said they evacuated, added dye, and recharged, but still not cooling. Said the compressor, drier, & expansion valve need to be replaced ($1900) as the compressor is not pushing the coolant. My common sense is not agreeing, but perhaps its only the wallet arguing.
Senior Member
Joined: Jan 2002
Posts: 295
Likes: 4
From: Long island, NY
2012 E350 4matic/97 e320 and 01 ml320
TM,
I noticed that on the Heater/AC control unit that the left Auto button, the - fan button and the one 2 switch from leg to face to window on the right side were not working. I took out the unit and found on the harness one of the pins were burnt...hmmmm. I got a quote from the dealer of $468 for the dash board harness and I said f%#k it. I went to the junk yard and got the harness to the control along with a new astray for $150.
I cannot erase codes due to one of the Auto buttons not working.
So I cut the old plugs out and rewired the new(used) ones.
Now my A/C blows colder than ever.
BuT!!!!!!!!!!! the three buttons still does not work
My conclusion....... WTF???!!??!?
Thanks,
Rock
I noticed that on the Heater/AC control unit that the left Auto button, the - fan button and the one 2 switch from leg to face to window on the right side were not working. I took out the unit and found on the harness one of the pins were burnt...hmmmm. I got a quote from the dealer of $468 for the dash board harness and I said f%#k it. I went to the junk yard and got the harness to the control along with a new astray for $150.
I cannot erase codes due to one of the Auto buttons not working.
So I cut the old plugs out and rewired the new(used) ones.
Now my A/C blows colder than ever.
BuT!!!!!!!!!!! the three buttons still does not work
My conclusion....... WTF???!!??!?
Thanks,
Rock
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Member
Joined: Nov 2001
Posts: 191
Likes: 0
From: Dallas
1999 E 320 (sold), 2015 AUdi S5 (sold) 2005 CLK55 Cab, 2016 Honda Pilot Elite, 2011 Jaguar XF
Red Angel Stop Leak for A/C refrigerant leak
Hi, i have had a slow leak in my AC to where I would recharge it once a year. The last recharge only lasted 2 months.
I want to add Red Angel Stop Leak treatment when it's recharged. It's a 2 oz can that is added with refrigerant.
Here's their website
http://www.gouniversalproducts.com/p...Stop-Leak.html
Anyone heard of this or have xperience with this type of product? Thanks.
I ran the error codes and besides low refrigerant it showed I had bad refrigerant pressure sensor
I want to add Red Angel Stop Leak treatment when it's recharged. It's a 2 oz can that is added with refrigerant.
Here's their website
http://www.gouniversalproducts.com/p...Stop-Leak.html
Anyone heard of this or have xperience with this type of product? Thanks.
I ran the error codes and besides low refrigerant it showed I had bad refrigerant pressure sensor
MBWorld Fanatic!
Joined: Apr 2007
Posts: 6,171
Likes: 16
300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Those sensor errors
run in a very loose range. Usually false.
Fix the leak.
Clear the error after refill
I doubt it will reappear.
Fix the leak.
Clear the error after refill
I doubt it will reappear.
Member
Joined: Feb 2009
Posts: 111
Likes: 0
98 e320
ac is tempermental
My AC only works when it wants too. Somedays, the AC kicks in right away, some days, takes 20 minutes. Took it to the shop, no leaks.
My my two AC fans only kicks in when the compreessor kicks in, regardless of the temperature of the water. Also, my two AC fans are NOISY, not a metal noise, but an overworked noise, any clue?
usaims
My my two AC fans only kicks in when the compreessor kicks in, regardless of the temperature of the water. Also, my two AC fans are NOISY, not a metal noise, but an overworked noise, any clue?
usaims
MBWorld Fanatic!
Joined: Apr 2007
Posts: 6,171
Likes: 16
300E a couple 1994 w124wagon E320 Wagon/,1971MGB Track/Rally, MG Midget Autocross ,2000 E320 wagon.
Did you run the a/c diagnostics?
http://www.eclassbenz.com/node/27
If it works fine at times, skip step 1 this time and just go into the error mode read and record the errors and then hit the 2 auto buttons at the same time to clear the errors. At times stored errors accumulated will cause an overload and intermittent a/c operation. Clear the errors and then see how she operates.
Then when you get that done run the whole test. Just as directed and record values 1-8 and any errors that show back up.
If it works fine at times, skip step 1 this time and just go into the error mode read and record the errors and then hit the 2 auto buttons at the same time to clear the errors. At times stored errors accumulated will cause an overload and intermittent a/c operation. Clear the errors and then see how she operates.
Then when you get that done run the whole test. Just as directed and record values 1-8 and any errors that show back up.
Junior Member
Joined: Apr 2008
Posts: 57
Likes: 1
1999 E300 TD
AC variable temperature - duovalve?
My A/C has been wacky on my E300TD. For a while I was nursing low refrigerant but I fixed that. Now it randomly changes temperatures out of random vents. Its not just left and right which would suggest duovalve, sometimes its the far outside vents hot and the center ones cool. Sometimes its hot out of the rear seat vents and center vents and cold on the outside vents.
The other symptom which makes me think its not the duovalve is that the sound changes, like as if it goes from recirc to vent, if that makes sense. Its just changing sound like something in the dash is different. I think doors are opening and closing that shouldn't be, or maybe the dash controller is giving false info.
Major symptoms;
-random changes in random vent output temps associated with different sound
-hard to tell, but it seems as though it sometimes changes if you hit a pothole or bump, but it could be coincidence.
How can the two vents on one side be different temps?
The other symptom which makes me think its not the duovalve is that the sound changes, like as if it goes from recirc to vent, if that makes sense. Its just changing sound like something in the dash is different. I think doors are opening and closing that shouldn't be, or maybe the dash controller is giving false info.
Major symptoms;
-random changes in random vent output temps associated with different sound
-hard to tell, but it seems as though it sometimes changes if you hit a pothole or bump, but it could be coincidence.
How can the two vents on one side be different temps?
Super Member
Joined: Jun 2008
Posts: 835
Likes: 2
From: Bay Area, CA
09' E320
The different sounds/temps from the vents seems like a possible vacuum pod issue behind teh console; I'd still give the duo-valve a good wack or two first.
http://www.continentalimports.com/ser_ic40142.html
http://www.continentalimports.com/ser_ic40142.html
Super Member
Joined: Jul 2003
Posts: 693
Likes: 1
From: Mansfield, TX
11 ML350W2 / 17 GLC300
Cleaning and lubing the duovalve is an easy job. Mine seemed to be sticking and when I pulled it appart, the little pistons had a deposit on them that must have caused the problem. Cleaning the deposit off the pistons and using a pool lube has solved my problem.
Junior Member
Joined: Apr 2008
Posts: 57
Likes: 1
1999 E300 TD
Ok, good to know guys. TMAllison, thanks for that great link. I don't think its the duovalve given that it changes sounds and the hot vents have no pattern to them, but that is an easy fix. Vacuum stuff = dashboard stuff. Eeww.
Super Member
Joined: Jun 2008
Posts: 835
Likes: 2
From: Bay Area, CA
09' E320
Newbie
Joined: Nov 2008
Posts: 9
Likes: 0
From: Humble, Texas
2000 E430
COLD Air
Go to the following site: http://www.eclassbenz.com/node/27
To end my a/c issues, the compressor and drier were replaced.
JNS Performance (Spring TX) charged $1,125, which included finding the vacuum line that was unplugged on the firewall causing the vents to blow on default position.
Blowing COLD
To end my a/c issues, the compressor and drier were replaced.
JNS Performance (Spring TX) charged $1,125, which included finding the vacuum line that was unplugged on the firewall causing the vents to blow on default position.
Blowing COLD
Almost a Member!
Joined: Jan 2005
Posts: 59
Likes: 0
From: Overland Park, KS
'99 E430 & '00 ML430
AC Codes - Need some help understanding them - More Issues
Last year a replaced the ac blower motor as listed here in DIY - that all worked fine until yesterday. I now have no blower at all. I checked fuses - they seem fine.
Sensor Data: 1-102, 2-96, 3-112, 4-116, 5-82, 6-186, 7-09, 8-103
Error Code: E FF
'99 - E430
Any help reading these codes would be appreciated ... and any other input would be welcomed. Thank you
Sensor Data: 1-102, 2-96, 3-112, 4-116, 5-82, 6-186, 7-09, 8-103
Error Code: E FF
'99 - E430
Any help reading these codes would be appreciated ... and any other input would be welcomed. Thank you
Last edited by Rossi430; Jul 28, 2009 at 09:25 AM.
MBWorld Fanatic!
Joined: Jan 2004
Posts: 5,942
Likes: 178
From: Seattle WA
99 E320
have you reviewed the code info from here yet? it does a good job
explaining what they mean...
http://www.eclassbenz.com/node/27
explaining what they mean...
http://www.eclassbenz.com/node/27
Almost a Member!
Joined: Jan 2005
Posts: 59
Likes: 0
From: Overland Park, KS
'99 E430 & '00 ML430
More symptoms ... any help ... Please
when it rains ... it pours...
today I starting hearing something running constantly when the car idled ... I thought it was the fan kicking on (it's been very hot here)... but when I stepped outside the car to listen more closely - it was not the fan... but it sounded more like a whining noise. When I turned the ignition off ... the sound slowly died down. Is this related to my ac going out ? Any ideas ???
today I starting hearing something running constantly when the car idled ... I thought it was the fan kicking on (it's been very hot here)... but when I stepped outside the car to listen more closely - it was not the fan... but it sounded more like a whining noise. When I turned the ignition off ... the sound slowly died down. Is this related to my ac going out ? Any ideas ???
Last edited by Rossi430; Jul 28, 2009 at 09:23 AM.
