two mechanics have told me that to change the oil cooler lines on my 1982 300sd that I have to unbolt the motor from the left mount and jack up the engine to get them out and changed. Some of you have said this is not so. Ever done this job on a 300sd yourself? Did you have to do this? I am short a floor jack to do as they say. While I have it unbolted, assuming I have to or if I let the mechanic do the job, should I go ahead and have him replace the left motor mount since I have never changed them?

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1982 300SD Light Blue
2002 Honda Accord SE
1974 Toro Wheel Horse Tractor
2000 Toyota Tundra Pickup

NO

You do NOT have to jack up the engine and unbolt the left motor mount! I have personally done this myself, 4 times.

Although, It would be a bit easier to do it this way, by no means does it HAVE to be done this way.

After you have the oil cooler lines unattached at both ends, you just simply snake them out, try to remember which way they came out, and when you put them back in, go the same way they came out. I had no problems doing this in under an hour. But, Ive gotten good at it.

Read up:

http://www.peachparts.com/shopforum/showthread.php?t=44947&highlight=300D+oil+cooler+line+GregS

Greg

Your way ahead of me there. I have only done it once with a small bottle jack. Certainly, appears to be possible and just have not done it without raising the engine.

If you don't have a jack give it a shot.

( We're not talking about raising the engine more than an inch or so.)

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Sam

84 300SD 350K+ miles ( Blue Belle )

How many miles do these lines last? How often will they need to be replaced on average?

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1982 300SD Light Blue
2002 Honda Accord SE
1974 Toro Wheel Horse Tractor
2000 Toyota Tundra Pickup

This would be just a SWAG, but it seems to me the life of the hoses is about 20 years, regardless of mileage. If they're weeping, it's time to change them, if not, just keep an eye on them.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



TRUMP .......... WHITEHOUSE
HILLARY .........JAILHOUSE
BERNIE .......... NUTHOUSE
0BAMA .......... OUTHOUSE

My car has over 320K on the original lines. I agree, it might have something to do with aging. Of course, heat, vibration, corrosion, etc..., all factor in.

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Sam

84 300SD 350K+ miles ( Blue Belle )