I have worked on my 300d and replace the evaportaor core ALL day long. I put the core back in and the dash is up... I can not figure out how to re-attach the evaporator core tubes that go through the firewall and attach back in the engine area. It takes all I have to just reach the 2 conecting points and stick them up to the tubes (using a screw driver and pliers) coming into the engine area from the core. Then some how in the minature area I am suposed to screw it together. I can't see any possible way to get a screw driver in that space? Any ideas? Do I need to take some of the engine apart in order put one screw in? I am about to go crazy!

Thanks for any ideas.

Are you talking about attaching the evaporator to the expansion valve??

I have another friend mechanic with small hands come over and he reached down and attache the 2 pipes coming thru into the engine area.

We were able to put the whole car back together!!! 18+ hours. What a crazy job. Funny thing is this is the first repair I have ever done to a car. I truly know nothing about cars. My friend was amazing to give up his entire weekend to help me.

Thanks for the author of this blog, the meticulous descriptions and pictures were invaluable! What a great job you did! I owe you

The only thing couldn't re-attach was the allen bolt that opens the air flow to the center vent. I guess I was supposed to attach that before dash and counsel was put back together. The bolt won't reach the connection... Oh well. I do have an amazing appreciation for how well made these Mercedes cars are made - so many tricky little bolts and clips.

Only time will tell if everything is sealed with no leaks! I pray it is!

You need to use a hook tool to bring the "connection" (female threaded receptacle) to the allen headed bolt and, while holding the connection with the hook tool, start threading the bolt in the connection by turning the bolt with your allen wrench. It may take a couple of times but I assure you it can be done with the dash in place. Mark

great job!

I'm trying to find the part number for the fog light indicator bulb. In post number 1 he lists 2 numbers. I can't get either of these to work. The EPCnet number is 14 digits long, typically the epc numbers are 10 digits long and in this sequence 124 xxx xx xx. Can anyone help decipher these number?

___N. lights
______1. Nozzle lights and light for illumination of headlight control N000000001061 x 4 (EPCNet 124.290 54 395 158. Also A0008250094) “air nozzle lighting and rotary switch lighting”
______2. Foglamp indicator bulb: A0025440194 (EPCNet 124.290 54 640 11)




The one for the fog light indicator is in the center of the switch shaft, you pull off the knob and it should be right there in the middle behind the orange "dot" in the knob. EPC 124.128, group 54, subgroup 640, callout 11, part # 002-544-01-94.

Thanks Dave

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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI


Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous

“Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss

I just replaced my evaporator core. I did finally get the extension valve reconnected - ah!

The problem I just found out is that none of my dash lights work at all? I have know idea why... I have No lights to any of my dash, or even the gear shifter (automatic). Anyone know where I should look to see what I need to plug in? I don't want to have to take the whole dash and counsel back out unless there is absolutely no other opption. Any ideas?

Thanks,

Matt

ps. AC works great!

Excellent write-up.

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Peach Parts W124.128 User Group.

80 280SL
85 300SD
87 300TD
92 300D 2.5 Turbo
92 300TE 4Matic

Thanks for the great original write up. I got mine out today.

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Jim

for new member

Thanks man,for the very detailed pics and elaborate write-up....
Could not for the life of me figure it out myself,this has been a great help!!!

This is a great post. It helped me to replace the bulbs at the gear selector and A/c control's. This site is the (bomb) a slang term meaning very good. Thanks

Many thanks Boxford! My father in law is a mechanic working on my 1992 400E and what you did here was an enormous help. I'm grateful for the time you put into creating this post. Thanks!