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brer 05-15-2006 01:17 PM

I have a question about the egr system in my 81 300d
I investigated removing the 3/2 box connections from my 81 300d this weekend as i've read about here, but was confounded on what to take out and plug back in.

So instead I pulled the cap and replaced or repaired the small hoses inside that were old or cracked (2 were bad). And as expected she shift much much better. :)

It did get me thinking (not always a good thing) about the egr valve that has a ball bearing in the vacuum line from the 3/2 box, and I was wondering.......

is it closed when there is no vacuum signal? or open? :confused:

SD Blue 05-15-2006 03:42 PM

The EGR valve should be closed with no vacuum signal. However, it is a good idea to remove and check for carbon build-up on the valve seat that would prevent it from closing all the way.

brer 05-15-2006 05:08 PM

thanks for the reply.
I thought i might do that.

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