search. I was just surprised I guess that within the span of a
half-year these cars had two different vacuum pumps. So rebuild the
double diaphragm is the consensus?
Ben near Detroit.
On 2/7/2011 10:24 AM, Mark in Lakewood CO wrote:
>
> Nah, the one on the right is the double-diaphram style, used on the
> earlier (and so, generally, non-turboed) diesels, AND was the original
> unit on my '79 SD. The one on the left is the piston type that is now
> pretty common in the yards around here, because there simply AREN'T
> any pre-80 cars in the yards right now. The nice thing about the
> earlier unit is that it's still rebuildable for relatively cheap ($25
> for two diaphram kits), whereas the kits for the piston type are over
> $100 and were not available last time I checked (in October).
>
> It was in October that I submitted a rather comprehensive (and,
> admittedly, lengthy) post on my findings on these pumps. 'Guess
> nobody read it.... (Insert pity party here.)
>
> Mark in Lakewood, CO
>
> ------------------------------------------------------------------------
> To: diesel_mercedes@yahoogroups.com
> From: vwnate1@yahoo.com
> Date: Mon, 7 Feb 2011 04:52:19 +0000
> Subject: [diesel_mercedes] Re: Vacuum pump 101
>
>
> Good question ! .
>
> Maybe one is a NA and t'other is from a turbo equipped engine ? .
>
> -Nate
> Ben wrote:
> >
> > Both cars built in 1979 but two totally different vacuump pumps. Why
> for?
> >
> > https://picasaweb.google.com/116318077355015592300/OM617VacuumPumps#
> >
> > Ben near Detroit.
> >
>
>
>
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