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Old 09-19-2009, 03:51 PM
Registered User
Join Date: Jul 2009
Location: Dutchess County, NY
Posts: 38
Thank you and introduction


It is time to say what I've been thinking for two years now. This is a fantastic forum and the help I have received here is very much appreciated. There seem to be decent and very knowledgeable folks here. Some quick background: I bought my '83 240D, automatic, just over two years ago, finding this forum soon after. It was my first MB diesel. The odometer was broken but I think the mileage stated is pretty close, given info provided by previous owner and overall condition of the car. The odometer was one of my first repairs, simply so I could maintain it as needed. With the help of this forum I was able to troubleshoot and fix many things, most of which were normal "wear items" or routine maintenance. I just bought an '87 300TD and am looking forward to woking on this car, as well. Again, through research on this forum, I was able to go look at the car and check all the common weak points and make at least a somewhat "educated" decision. It's basically a garaged, one owner car (adult son received car after mother passed way 2 years ago). Odometer broke at 122k about 2 years ago, and PO figured he might put on 8,000 per year. So, along with basic fluid and filter changes, one of my first repairs on this car will be the odometer, too. That and the belt tensioner or at least the pivot bearing on the belt tensioner. Seems I should replace the original vacuum pump while I'm there. I haven't registered it yet so I'm not even tempted to go for a "little" ride. It's been killing me all week just looking at it parked in the garage...Anyway, I really just wanted to say thank you. I hope to be able to offer some help as I continue to receive the help you all provide.
'83 240D, auto, 170,000 miles "Old Blue"
'87 300TD, 140,000 miles
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Old 09-19-2009, 10:18 PM
Registered User
Join Date: May 2007
Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
Posts: 9,585
RK Welcome to the Forum.
I too was on the side for a while before I registerd. wish I had found the Forum a few years ago, here is all this information that was right under my nose.

Now Iam not afraid to tackle anything

there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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Old 09-19-2009, 11:01 PM
babymog's Avatar
Loose Cannon - No Balls
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,767
Replacing the vacuum-pump is not a bad idea, but so far (knocking on wood) I haven't had a problem with a vac-pump even though all 3 of my 602/603 cars had close to 250,000miles when I sold them.

I think that the opinion on how many miles the pump should last before it's prudent to replace it varies somewhat here, at ~140k miles you're probably in pretty good shape but others who've experienced failures might feel differently.

The problem is of course, that the failure mode can be catastrophic, how lucky do you feel?

Gone to the dark side

- Jeff
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Old 09-20-2009, 12:38 PM
Registered User
Join Date: Jul 2009
Location: Dutchess County, NY
Posts: 38
Thanks for the replies. Babymog, your experience and posts have been helpful in the research I've done on the '87 300TD. With the vacuum pump, I guess I'm not much of a gambling man... It seems that if I can remove the word "catastrophic" from the equation with a new and improved part, it might be worth the money. I try to balance out "fix-as-fail" with preventive repair/replacement. Unless I'm incorrect (and, anybody, please tell me if I am) the Vac Pump doesn't give much, if any, warning before failure and the resulting "catastrophy."
'83 240D, auto, 170,000 miles "Old Blue"
'87 300TD, 140,000 miles
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