Our 240D W123 had an oil cooler line go bad and lost 5 quarts or more.
Did not know of the problem until draining for an oil change. 2 1/2 quarts drained out.
Therefore a check of the main bearings is in order.
Any advice on how to proceed?

Have removed the oil cooler lines. Was able to find a factory replacement for the upper but not for the lower. The dealer no longer stocks the lines.
NAPA crimped a new high pressure hose on the old metal with steel clamps using a hand operated crimp tool made for a/c work. Looks solid but many people doubt that it will hold.

Any opinions will be greatly appreciated.

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