Quote:
Originally Posted by rgnprof
I am also having a hard, delayed shift problem...
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Vacuum leak....
Quote:
Originally Posted by rgnprof
One observation - I had the vacuum pod that controls the recirculation door (far right under the glove box) out of the car. It was not leaking and rubber diaphragm was in good shape. But, I noticed that I couldn't pull a vacuum on it unless I slightly depressed the rod first - then applying vacuum pulled the rod all the way in and it held fine....
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I have seen this MANY times. It stems from a vacuum leak between the PLASTIC piston and the RUBBER bellows. I got in the habit of cementing the rubber to the plastic with 3M trim adhesive or Gaskacinch during service and that eliminates the issue....
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 Did you just pass my 740 at 200 kmh in a 300SD?????
1978 300SD 'Phil' - 1,315,853 Miles And Counting - 1, 317,885 as of 12/27/2012 - 1,333,000 as of 05/10/2013, 1,337,850 as of July 15, 2013, 1,339,000 as of August 13, 2013
100,000 miles since June 2005 Overhaul - Sold January 25th, 2014 After 1,344,246 Miles & 20 Years of Ownership 
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