A heavy oil used in compression-ignition engines.

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What kind of engine oil to run a Diesel?

I got an 1987 Toyota Land Cruiser with a 2H diesel engine. I never changed oil on a diesel engine prior to this truck, so I'm a little confused. Toyota Factory Shop Manual recommend API CC oil type, ...
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2answers
949 views

Marine Diesel fuel filter vacuum gauge spiked — filters are new

I've got an 80-HP marine diesel engine (in a sailboat, naturally). I've got a the Parker/Racor 75500MAX dual fuel filter system with an attached vacuum gauge to monitor resistance. For the first few ...
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2answers
473 views

What does this device on a 1985 Mercury Lynx/Ford Export Diesel do?

I have a 1985 Mercury Lynx (Ford Escort) Diesel 4 cylinder. The device shown in the pictures -- below the starter -- has a hose connecting it to the radiator. There is another hose that is ...
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1answer
2k views

High oil pressure after oil and filter change

I recently changed the engine oil and filter in my Westerbeke diesel. I gave it the usual (and specified) 4.5 quarts of SAE 30, specifically Chevron DELO. Now when it starts up it reads 80 psi of ...
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How to test for defective glow plugs?

On a diesel engine, how can I know which glow plugs are defective, and can I change these only?