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Should I buy '77 240d, won't start?

1619 Views 11 Replies 5 Participants Last post by  d71889b
Hey all, I found a '77 240d. Very Very clean, except for a few minor paint abnormalities and the front seats are pretty worn. He said he'd take $200 for it. LEt me explain:

It was an every day commuter , second owner, maintained regularly until NOV last year. At that point the car just all of a sudden died going down the road. The owner towed it to a Mercedes Dealership (Uh, they aren't the right guys to work on these cars, I think) and they told him the injector pump was bad and would need rebuilt and replaced.

I kind of found this hard to believe because I have read and been told that it was/is pretty rare for those to go out on these cars. Some people were saying sometimes they just need cleaned, retimed, or the fuel filters/screens replaced. But if it was the latter, wouldn't that have caused a gradual sluggishness, ending in a no start?

Other things I noticed were that the airconditioner belt looked snapped or cut and there was oil all over the block and head in the vicinity of the IP (front driverside).

I am not an expert, but do have a little mechanical background (used to fix up corvairs, yeah I know . . .). Selling my (the bank's) car and looking for a reliable commuter for my little family.

What do you think? Do you think it is the injector pump? I see them for $150 on Ebay, but the local Euro shop says it is $1600 to rebuild. What are the chances that I will be able to get it to run WITHOUT buying or rebuilding the IP? And if I can't, do you think I can part it out to cover what I bought it for?
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Thanks, maybe I'll go for it. How hard is it to replace that pump, anyone? It comes with the Some kind of service manual, as well as a neat book about the history of the Mercedes.
I just found a IP from a 220D. Will that work on this car? Anyone know? Am I being hasty in assuming it is the IP?
That's too bad, it is way cheaper than the others.

1) Engine is not seized the battery tdid not have full life but the engine did turn over

2) Engine oil was a little low but not to the add line.

3) I did see some oil around the lines going to the IP. If the oil came from there, is this a bad sign?

Thanks
Well, turns out the IP is shot. Only fuel going to one cylinder, which tells me the IP is not rotating. My personal opinion is that the pressure relief valve (I think) or something in the oil pump got stuck, it blew a line or soemthing and the IP stopped getting oil, and then toasted.

If it is there after this weekend I think I'll go back and test to see if fuel is even getting into the IP. If it is, I'll make a decision from there, if it is not, then maybe this is easier then I thought, new fuel delivery pump, tank screen?

I probably could get $200 just for parting it out, as I said body is straight, all trim is there and clean. But I am just not sure I have the time.
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