Diesel RVs: RE: [diesel_mercedes] Re: Vacuum pump 101

Looks like the breaking point for that pump on the 1979 MY VINs is to 000001 thru 010481 (last 6). Mine is 010092.

Ben near Detroit

From: diesel_mercedes@yahoogroups.com [mailto:diesel_mercedes@yahoogroups.com] On Behalf Of Mark in Lakewood CO
Sent: Tuesday, February 08, 2011 8:56 PM
To: diesel_mercedes@yahoogroups.com
Subject: RE: [diesel_mercedes] Re: Vacuum pump 101

Yes, I have. For the diaphragm pump;

http://www.autohausaz.com/search/product.aspx?sid=ebdt1u553h1fmwj3behids55&makeid=800016@Mercedes&modelid=1192913@240D&year=1974&cid=18@Electrical%20%26%20Vacuum&gid=11818@Vacuum%20Pump%20Repair%20Kit

And, apparently, the kit for the piston pump is now available, if in limited supply:

http://www.autohausaz.com/search/product.aspx?sid=ebdt1u553h1fmwj3behids55&makeid=800016@Mercedes&modelid=1193992@300SD&year=1980&cid=18@Electrical%20%26%20Vacuum&gid=11818@Vacuum%20Pump%20Repair%20Kit

(Mr. Bergsma may wish to update his information....)

For me, I prefer to rebuild than replace, and, since the diaphragm kits are currently MUCH cheaper than the piston kits, the older design is better....

Mark in Lakewood, CO

To: diesel_mercedes@yahoogroups.com
From: bgiovan@cavtel.net
Date: Mon, 7 Feb 2011 22:14:15 -0500
Subject: RE: [diesel_mercedes] Re: Vacuum pump 101

Mark, did you ever find a rebuild kit for that pump? I can find one for the 1980 SD all day long. Nothing for this oddball on the ’79.

Ben near Detroit

From: bgiovan [mailto:bgiovan@cavtel.net]
Sent: Monday, February 07, 2011 9:10 PM
To: 'diesel_mercedes@yahoogroups.com'
Subject: RE: [diesel_mercedes] Re: Vacuum pump 101

Thanks! Read it. http://autos.groups.yahoo.com/group/diesel_mercedes/message/53626
I posted the same question on Kent Bergsma’s board and this was his reply: “The newer style pump is the better design because they did away with the rubber diaphragms. They are not directly interchangeable. You would have to change the I.P. pump timing device that drives the vacuum pump. Older style had two diaphragms and the repair kit is dealer only.”

So looks like I need to source the repair kit. Maybe. I note your request of me in the last paragraph and now I do remember reading this one. I’ll let ya know once I get this thing back on the road.

Ben near Detroit.

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