Finally got some serious time to work on the 300TD -

Drained engine Oil, found it was way low due to broken oil gauge line and botched fix. Replaced oil filter and o rings on oil filter housing shaft - they were so brittle they just fell off. Replaced broken line to oil gauge. Filled up crank case with some fresh Rotella.

Drained transmission fluid and replaced filter. It was an easy job, just kind of messy. I see lots of hoses and lines just hanging loose where mechanics didn't bother to reconnect the hangers. Filled it with fresh ATF.

Replaced leaky radiator with the spare one that came with the car - flushed it out and pressure tested it for leaks first. Pulled thermostat out and filled radiator with clean water and some cooling system flush.

Ran diesel purge - didn't do much as injectors were pretty clean. Ran about another quart of diesel to let the coolant flush do its thing.

Drained coolant and flush - replaced with Zerex G-05 and distilled water.

Replaced leaky fuel primer pump and filters. O ring that came with filter was wrong one - replaced crush washer and brittle o ring on the filter bolt with correct parts!

Wow - I could not prime from fresh diesel in tank although it works fine from improvised Gatorade bottle. On further investigation I found I had a major leak in the fuel supply line right over the rear subframe! I'm going to replace it with hose for the time being until I can take the time to put in some new steel line there...

Next is brakes - need to rebuild the front calipers, replace front rotors. The rear parking brake shoes also need replacement as the lining fell off one of them when I pulled the rear brake disk to inspect.

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1984 300TD