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Old 04-10-2000, 06:34 PM
matthew merrill
Posts: n/a
Well, the dealer had to replace the vacuum pump diaphragm on my 78 300D today. -Under warranty- I noticed blue smoke on start up
and 1 qt oil consumed in 1,000 mi.

About 6 months ago the top end was rebuilt, it also got a new water pump and vacuum pump diaphragm. The dealer said if this one fails in the next 6 months we may have to pull the pump to find out what's going on.

Are there any ideas as to what could be happening.
Maybe it was improperly installed?
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