There are TWO oil lines going to/from the oil filter housing. I've replaced my filter housing gasket twice: First time because it was leaking, and the second time when I removed the injection pump (the filter housing had to come off to do this). Both times, the oil cooler lines were undamaged, and reused. I would question your mechanic's mechanikin' abilities if he is unable to remove the cooler lines from the filter housing without requiring new lines and cooler (which is mounted next to the radiator).
You could run an aftermarket cooler, sure. I'd think it would be a royal PIA to do so, but, sure; why not? You could even cap off the cooler line ports on the filter housing, and not run a cooler or cooler lines at all. Most cars don't have engine oil coolers. 'Course, most cars don't run a half-million miles, either, so....
Mark in Lakewood, CO
From: "Boyd Wright" <bgthegreat@verizon.net>
To: "diesel mercedes" <diesel_mercedes@yahoogroups.com>
Sent: Friday, June 1, 2012 4:43:49 AM
Subject: Re: [diesel_mercedes] Re: WAS: Rear Main Oil Seal leak NOW: Oil Cooler Line moisture
Ken Bergsma on YouTube shows how to replace the gasket under the oil filter to stop oil leaks. I have ask my mechanic if he could do it. He told me that he would have to remove the oil line to the oil cooler. That line brakes, 99% of the time when removing the oil filter housing causing the purchase of a new radiator and oil line.
Do any of you folks know if you can just add an after market oil cooler if it brakes? Where can you install it?
.
