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#211
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BTW, thank you for keeping your site up after all these years! On the diaphragms... I have used Perf Anal's unit to repair a bad defrost lower chamber (well, whatever is closer to the rod), the center vents on the W126, and many E23 BMW units. That small W124 one actually fits the rear air vent unit in the E23. Saved me about $50 versus the BMW unit.
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I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG] |
#212
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Seems to me that the 2010 kits are available now, based on my emails with George Murphy. How many diaphragms do I need in total, for a W124 (wanting to replace everything except the more oval shaped pod)?
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Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon. |
#213
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What is current pricing on the 2010 kit, btw? Nice to hear they are available again. |
#214
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I made a separate thread but maybe this is the better thread for it, are the bodies of the 3 dual stage units the same? As in, could I just order three of the cheapest dual stage pod and change out the arms with what's on the car now? I'd sorta rather have everything new in there than leaving the big lift sections to chance (plus if I remember correctly, the big lift section on one of the units was testing as bad). It would seem that the vacuum pod itself is the same since he recommends the same kit for each of them. They sorta look the same in the pictures but I want to have these ordered before I pull out the dash.
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Current: 1975 450SEL, 83 300D, 88 Yugo GVX, 90 300D OM603 swap, 91 F150 4.6 4v swap, 93 190E Sportline LE 3.0L M104 swap, 93 190E Sportline LE Megasquirt, 03 Sprinter, 06 E500 4Matic wagon. |
#215
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https://www.put in the "500e forums part here" .co/forums/index.php?threads/how-to-replacing-c126-w126-acc-vacuum-pods.4230/ |
#216
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Copy/paste below, replace "xxxx" with "500E board", no space, to make the link work: xxxx.co/forums/index.php?threads/how-to-replacing-c126-w126-acc-vacuum-pods.4230/ PeachParts banned links to that forum years ago for reasons that probably nobody remembers. |
#217
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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 diaphragm 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 diaphragm pods. Last resort you can get just the rubber diaphragm 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 diaphragms are 2010 and 2020. On the W124 and W126, you can use one of their diaphragm 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! |
#218
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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! |
#219
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Ive replaced all 5 pods in my 87 300TD. Replaced the rubber connectors and have excellent vacuum strengths throughout.
I have not put the dash back on yet as I am not sure how much the fresh air/recirc air flap should travel. It seems that the bars that attach from the pods to the flap mechanisms move about 2-3” in and out of their respective pods and that the flap itself travels about 30 degrees from closed to open. Certainly does not open 90 degrees from vertical. Does anyone know how much travel this flap should have? |
#220
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Are you applying vacuum to BOTH ports of the pods connected to the main air flap (fresh air / recirc)?
Also, did you replace with new pods, or rebuild old pods? Last edited by gsxr; 05-31-2020 at 10:42 AM. |
#221
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Yes I am. Both are replaced with new rubber connectors and all tested well on insertion....
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#222
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Any chance you can post a photo?
The flap should close the air inlet completely when vacuum is applied to both ports. I don't know what "angle" this is, or if it can be seen from inside the car. Viewed from outside (with wiper removed) the flap should be fully closed, blocking external air from entering. Last edited by gsxr; 05-31-2020 at 10:42 AM. |
#223
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Thanks for reply.
It’s not the closed part I have an issue with, it’s the opening. The flap only opens about 2 or 3” which doesn’t seem like a lot. I’m not familiar enough with the way this cars air system works to understand how much the fresh air flap should open. Impossible to take a photo as it wouldn’t do justice to the question... Thanks |
#224
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Only photo I can find is from the other side, and the flap hangs vertically down with no vacuum applied. It should flip upward, closing air inlet with vacuum applied. Looks like roughly 45° of movement?
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#225
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Ok. There may be a bigger issue here.
The two pods, that are used for the fresh air flap which are activated by the ECON button, are currently extended out ward when the HEVAC system is OFF and the flap door is closed. When I select ECON the pods retract pulling the bars controlling the vent flap thereby opening the flap about 30 degrees or 3”. When I turn off the HEVAC, or the 0 button, the pods extend and push their respective bar controlling the vent flap thereby closing the fresh air flap. It seems from the videos Ive been watching about this HEVAC system and these particular pods, that mine are reversed from proper operation. My pods are extended when OFF is selected on HEVAC (the fresh air flap being closed) and retract when ECON is pressed (opening the fresh air flap) whereas in the video when the HEVAC is OFF the pods are retracted and when the ECON button is pressed the pods extend outwards and open the fresh air flap. My question is, was I supposed to physically set the fresh air vent door to a position so that when I am connecting the Pods to the vent door control arms both Pods will be depressed inwards as a starting position? My hoses “appear” to be plumbed correctly with the red air hose feeding to the most rearward air fitting on the pods and the green hoses to the most forward..... https://www.youtube.com/watch?v=0SU6CFb0W7s Forward to 1:05:16 To see what I am talking about. Suggestions? Last edited by JMCLuimni; 05-31-2020 at 12:42 AM. |
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