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Old 03-08-2024, 06:25 PM
alexl alexl is offline
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Join Date: Jan 2024
Location: Kansas City
Posts: 32
Massive oil leak - Valve cover, doggy performance

Hi folks,

Saga continues on the 300TD I am waking up from a long hibernation. Went on a test drive yesterday, went well. That is until i got it back in the garage and a quite large puddle quickly formed under the car. puddle is forming under the bellhousing, but tracing it up to the passenger side valve cover gasket (there is a plate that appears to guide all of the oil to the rear of then engine - causing me to immediately panic of large rear main seal leak )

Last night i removed the valve cover, cleaned up the surfaces and reinstalled, properly torqueing. I idled the car quite a bit today and it appeared to fix the issue, but then i went for another drive and got home to a similar leak (though not as bad this time). Of course i am ordering a new gasket, but also asking around if i should be more concerned or if this is an occurrence that happens from time to time?

Also: performance is quite slow "out of the gate", but only sometimes. Sometimes the car can't get out of its own way until 15-20 mph, sometimes it immediately accelerates (as quickly as expected, i suppose).

so far i have:
1. tested compression (300psi+ all cylinders)
2. Had injectors cleaned and tested (1950-2000 psi all)
3. Adjusted valves
4. Diesel Purge
5. New filters
6. Checked Banjo fitting/bolt (no buildup)
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