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  #1  
Old 06-16-2016, 04:11 PM
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w124 hvac pod discontinued

I am doing to the dreaded evaporator in my car and was going to do all the vac pods also. its a 93 300d. Pod 124 800 02 75 is showing discontinued and no aftermarket support either. Does anyone have a source for these?? are any pods in newer cars the same?? This pod is not leaking but just want to replace it. Maybe I can rebuild it instead, does anyone have part numbers and a source to buy those parts??

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  #2  
Old 06-16-2016, 06:32 PM
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I have no idea if the 126 and 123 pods use the same internal parts. I believe that all the pods on my 84 SD use the same diaphragms. It would be easy for me to believe that nothing changed except the inlets and outlets locations from the pods on your car and mine.

I'd suggest that if you find one common to both car you can believe that those diaphragms sold by the guys in Oak Ridge will fit your car. Giving them a call might be the easy way out.



Performance Analysis | Climate Control | Diaphragms | Blower Motors | Pushbutton Panels | Vacuum Door Locks | Autotemp | Cruise Control | Engine Oil Analysis | Mercedes-Benz Parts | Mercedes-Benz Club of America | Oak Ridge | Car Care - ACC Version I
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  #3  
Old 06-17-2016, 05:57 PM
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I rebuilt the 300E's (yes, I know it is a gasser!) vac system last summer... I think the PN in question is one on top of the HVAC box, yes? If so, I used the $6 kit there. If the real small one, then it was available then.

If you could show me a picture, I could help you further.



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  #4  
Old 06-17-2016, 06:55 PM
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The diaphragm from 03 75 is interchangeable with 02 75

I found it easier to leave the actuator attached to the box and only replace

the diaphragm.

Search the part number for best price and stick with genuine ME/BE

You don't want to go back in that deep because of a cheap part!!!
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  #5  
Old 06-17-2016, 10:32 PM
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thanks for the info. I don't have it apart yet so cant take pics just ordering all parts I know im going to need.
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2011 e320 cdi (132,000) current
2005 Jeep CRD diesel--2.8L (138,000 miles) wrecked, insurance took
1993 Mercedes benz 300D 2.5 Turbo Frybrid powered. (336,000 miles) wrecked and sold as parts car
1990 Mercedes benz 300D 2.5 Turbo (170,000 miles) wrecked and sold as parts car

Check out my Frybrid Vegtable Oil Conversion at http://1990300dfrybridconversion.shutterfly.com/
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  #6  
Old 06-18-2016, 12:22 AM
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Would you mind sharing the list of parts you ordered?
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  #7  
Old 06-18-2016, 01:12 PM
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Vacuum Element - Leg Room Flap Control,
Brand: Genuine Mercedes-Benz
Part #: 124-800-09-75-MBZ
1
Vacuum Element - Defroster Flap
Brand: Genuine Mercedes Note: (1993 Mercedes-Benz 300D 2.5 Sedan)
Part #: 124-800-26-75-M22
1
Vacuum Element - Main Air Flap Control (Right)
Brand: Genuine Mercedes Note: Not for cars with a Cabin Air Filter. (1993 Mercedes-Benz 300D 2.5 Sedan)
Part #: 124-800-11-75-M22
1
Vacuum Element - Main Air Vent Flap Control (Left)
Brand: Genuine Mercedes-Benz (1993 Mercedes-Benz 300D 2.5 Sedan)
Part #: 124-800-04-75-MBZ
1
Vacuum Element - Climate Control Cold Air Flap
Brand: Genuine Mercedes Note: (1993 Mercedes-Benz 300D 2.5 Sedan)
Part #: 124-800-03-75-INT

These are the 5 pods I ordered but the 02 pod is still missing.

Also check this link out lots of good info
http://www.peachparts.com/shopforum/diesel-discussion/35373-w124-climate-control-vacuum-pod-replacement.html
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2011 e320 cdi (132,000) current
2005 Jeep CRD diesel--2.8L (138,000 miles) wrecked, insurance took
1993 Mercedes benz 300D 2.5 Turbo Frybrid powered. (336,000 miles) wrecked and sold as parts car
1990 Mercedes benz 300D 2.5 Turbo (170,000 miles) wrecked and sold as parts car

Check out my Frybrid Vegtable Oil Conversion at http://1990300dfrybridconversion.shutterfly.com/
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  #8  
Old 06-18-2016, 09:00 PM
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Quote:
Originally Posted by 124126140 View Post
The diaphragm from 03 75 is interchangeable with 02 75 ...
The pods are different. The -03-75 is smaller diameter and you cannot swap the internal parts to the -02-75 housing. To fix the -02-75 pod, which is NLA, you have to buy a replacement diaphragm from George Murphy at Performance Analysis Co, he sells them and they fit perfectly. You have to call or email to order, his website does not allow ordering online:
http://www.perfanalysis.com/climate-control/acc-version-ii/

Ask for part number ACD-2010. Last year they were $6 each plus S&H.

Click here for a detailed thread on the 124 vacuum pod testing /replacement. While you have the dash off, replace both the main air flap dual-chamber pods with new (DO NOT rebuild the large-lift portion of dual-chamber pods!) and also the -03-75 diverter flap pod. The footwell and defrost pods can be done without removing the dash, so those are optional if desired.



Quote:
Originally Posted by 124126140 View Post
...I found it easier to leave the actuator attached to the box and only replace the diaphragm.
This is correct for the diverter flap pod, -03-75. instead of trying to change the entire -03-75 pod (which is a pain, due to the three round metal retaining clips) you take both old & new apart and swap internal bits, putting the new rubber diaphragm into the old housing, which remains clipped in place on top of the box.

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Old 06-06-2019, 01:05 PM
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Quote:
Originally Posted by gsxr View Post
The pods are different. The -03-75 is smaller diameter and you cannot swap the internal parts to the -02-75 housing. To fix the -02-75 pod, which is NLA, you have to buy a replacement diaphragm from George Murphy at Performance Analysis Co, he sells them and they fit perfectly. You have to call or email to order, his website does not allow ordering online:
Performance Analysis Co. | ACC Version II

Ask for part number ACD-2010. Last year they were $6 each plus S&H.

Click here for a detailed thread on the 124 vacuum pod testing /replacement. While you have the dash off, replace both the main air flap dual-chamber pods with new (DO NOT rebuild the large-lift portion of dual-chamber pods!) and also the -03-75 diverter flap pod. The footwell and defrost pods can be done without removing the dash, so those are optional if desired.




This is correct for the diverter flap pod, -03-75. instead of trying to change the entire -03-75 pod (which is a pain, due to the three round metal retaining clips) you take both old & new apart and swap internal bits, putting the new rubber diaphragm into the old housing, which remains clipped in place on top of the box.

There's an excellent write up or how-to over at these other forums called the 500e forums (am I even allowed to point to other forums?) Anyways, it helped me greatly. It even discusses other pods that can be used in place of others or how to swap parts out of pods to "make" others:

https://www.put in the "500e forums part here" .co/forums/index.php?threads/how-to-replacing-c126-w126-acc-vacuum-pods.4230/
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  #10  
Old 06-12-2019, 02:04 PM
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The link above does have an excellent writeup, however note it is for the 126 chassis, not 124 chassis. There are differences between the two!

And yes, you need to add "500 Eboard.co" without the space before /forums in the URL. PeachParts banned links to that forum years ago for reasons that probably nobody remembers.

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  #11  
Old 01-30-2020, 06:38 PM
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Yes there are differences between the W124 and W126 but you can also interchange pod parts between the two cars, and exchange the 'arms' that snap onto the pods.
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Old 01-31-2020, 11:10 AM
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You can do this IF the two pods in question are the same size. Some are, some aren't... I don't have a list of which are interchangeable between chassis.
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  #13  
Old 02-10-2020, 02:28 AM
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For those of you out there that see this comment, I posted a long video on how to remove the W124 dash and how to replace the vacuum actuator pods for the climate control. https://www.youtube.com/watch?v=0SU6CFb0W7s

Just trying to spread the word. Note that there are only 2 PN's left of the 6 PN's that are available from Mercedes or aftermarket. On the dual diaphgram pods you can buy one of the two pods that are available, remove their arms (white plastic just snaps it on), and you can take off the old arm from the old pod and transfer it to the new pod. NOTE: This trick only works on the dual diaphgram pods. Last resort you can get just the rubber diaphgram inside the pod that you can replace at a place called Performance Analysis in Tennessee, although you can't order on their website. You have to call them. Their part numbers for the two different diaphgrams are 2010 and 2020. On the W124 and W126, you can use one of their diaphgrams on the "center" pod, which is a single diaphragm. They are inexpensive, not sure how long they will be in business from the conversation I had with them. . Get a bunch and store them the rest of your life!
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  #14  
Old 02-11-2020, 05:10 PM
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This video goes over how to disassemble and install new diaphragms from George Murphy and Performance Analysis in Tennessee into the dual diaphragm pods.

Again, I advocate buying new MB pods first. Doesn't matter which dual pods, the only difference is the arms. The ones that are NLA are becoming more so each and every day. I only put this on here to use the Performance Analysis pods as a last resort down the road for those who were too late to buy them.

I wish I knew if the W123 pods were the same as the W124 and W126. I have never held one to compare the differences.

https://youtu.be/SV1XZ5BEtVc
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  #15  
Old 02-11-2020, 07:33 PM
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Nice videos, both of them - thanks for posting!

I know you mentioned the ACD-2020 kit may cause reduced travel from the diaphragm, click here for a pictorial with more details.

On the 124, the dual-diaphragm pods are only used for the defroster, and the main air (recirculation) flap. I have not tested pods rebuilt with ACD-2020 kits installed on the car to see if they fully close the flaps as expected, but that would be an interesting test. Worst case, if the main air flap didn't fully close, you just wouldn't get full recirculation... not the end of the world, well unless you live in Arizona or something. However it may be more of an issue if the defrost flap did not fully close.

Also, in the past when I replaced the dual-diaphragm pink pods, most of the time only the outer diaphragm had failed. In this case, the ACD-2010 kit could be used to replace just that one diaphragm, leaving the old/original inner diaphragm in place to keep the pod working normally with full travel. But if the inner diaphragm fails, your only choice is to replace with the ACD-2020 kit, or a used pod, once new ones become unavailable.


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