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Old 12-05-2009, 09:14 PM
NoCalMer's Avatar
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Join Date: Nov 2005
Location: California
Posts: 211
Oil cooling lines leaking at rubber section?

I just did an oil change and noticed oil around the rubber lines right above the vacuum pump and before they attach to the cooler. This time it seems like there is more oil with it coating the underside of the car.

My guess is the power steering fluid getting on the lines over the year right above it has degraded them and are causing small leaks in the rubber. Does this make sense? I have a small leak at the power steering box but all the fluid under the car seems to be oil and the power steering reservoir is not that low.

Anyone else have the oil lines start leaking at the rubber section? I sprayed everything clean with a hose and going to see where the oil is coming from but it seems to be the rubber hose right after the hard line coming from the filter housing.

85 300D Turbo
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Old 12-05-2009, 10:03 PM
Diesel911's Avatar
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Join Date: Sep 2007
Location: Long Beach,CA
Posts: 29,891
They can leak anywere. And, it is common if the Motor Mount on that side collaspes for the Powersteering belt or Pulley to cut into the Hose.

If you cannot tell where the leak is you need to degrease the area; afterwhich run the Engine and see where the leak is coming from.

If it turns out you need to replace the Oil Cooler Hoses I would look up how to do so as it is common to strip off some threads from the Aluminum Nipples that the Hose Nuts screw onto on the Oil Cooler.
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84 300D, 82 Volvo 244Gl Diesel
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