Engine Compartment Inspection
At 3:20 in
How to Buy and Sell Heavy Equipment
What happens here
Open the rear engine compartment door. First, check the engine oil using the dipstick. While diesel engine oil typically turns black quickly after a change, you should still feel the oil's consistency. If it's thick and tar-like, it indicates very old or neglected oil. Next, inspect the air filter housing. Remove the cover to check the air filter element. A clean filter suggests regular maintenance, while a clogged filter, or signs of rodent nests, indicates poor upkeep. Squeeze the rubber piece at the bottom of the air filter housing to release any trapped dirt or debris. Finally, locate the blow-by tube (crankcase breather). If the engine is running and oil and smoke are coming out, it suggests worn piston rings or valves, indicating a major engine problem.
Goal: Evaluate the condition of the engine oil, air filter, and check for engine blow-by.
Tools and materials
- Clean Cloth / Rag — Wiping the dipstick and cleaning around the air filter
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