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Old 03-19-2013, 01:18 PM
ralfwolverine's Avatar
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Join Date: Mar 2013
Posts: 1
Oil leak

I have a 1984 300TD. I have a oil leak in the drivers side by my feet and I also have a very load squeking sound while accelerating which stops after some time. Many more threads will come since this car has many miles on it.

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Old 03-19-2013, 01:45 PM
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Join Date: Oct 2007
Location: Greater Metropolitan Beaverdam VA
Posts: 2,856
Inside oil leak

on driver's side is probably the oil pressure gauge connection. These cars direct-read oil pressure by sending a tube to the instrument panel.

You must pull-push the instrument panel out to gain access to the connection. If you are lucky it simply needs a gentle tightening. If you are unlucky, male or female connection is split from overtightening and needs replacement.
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Old 03-19-2013, 02:59 PM
Join Date: Dec 2007
Posts: 5,061
Regardless of whether or not the gauge has been damaged from over tightening, you need to get a 10MM line wrench. A line wrench is a special wrench generally used for hydraulic lines. Use the line wrench to hold the stationary bolt while you loosen (or tighten) the disconnect line using a regular 10mm open end wrench. If you do this method, your oil gauge will give you many miles of good service; if not, you will continue to suffer from oil leakage issues.

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