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-   -   Remove EGR Computer (http://www.peachparts.com/shopforum/diesel-discussion/402992-remove-egr-computer.html)

carock 01-07-2020 02:58 AM

Remove EGR Computer
 
Putting my 85 300CD back into shape. The EGR computer is shot, so I am jumping the EGR connector to power the tachometer. May as well remove the EGR valve since it isn't going to be activated anymore. I am also removing the trap oxidizer because I don't trust it for the long term

So my question is, what else can I remove to clean up the engine compartment since the EGR is going away? I was especially curious about the round diaphram on the turbo that is activated by vacuum. It has some sort of vacuum controller shared with the EGR vacuum supply.

vollpreuss 01-07-2020 10:18 AM

These two posts might be helpful.

http://www.peachparts.com/shopforum/diesel-discussion/271702-1985-300d-vacuum-crazyness.html

http://www.peachparts.com/shopforum/diesel-discussion/399836-1985-ca-300d-newly-bought-need-help-big-time.html

The first contains a thumbnail suggesting what to remove. The second contains a nicely color coded vacuum line thumbnail.

ykobayashi 01-10-2020 10:04 PM

That was a great post. I used those diagrams to delete my EGR and all the vacuum lines and other nonsense. I went a little further and removed the vacuum amplifier (flying saucer) and routed my vacuum from my VCV right down to my trans. I fine tuned the vacuum with an orifice that I found in the mess of vacuum lines I removed...mostly because I was too lazy to remove the little cap off the VCV adjustment screw.

I also took off the funny vacuum line to the turbo. I forgot what that one was called but it didnít need it. ARV? Maybe.

The car runs beautifully and is easy to understand. I got a nice supply of plastic vacuum hose and tees to tinker with as well.

Good luck.


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