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Engine Repair Flashcards

7 cards from real ASE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Engine Repair flashcards as text

  1. A cylinder leak-down test showing air escaping from the tailpipe points to a leaking:

    Answer: Exhaust valve

    Air heard at the tailpipe indicates the exhaust valve is not sealing.

  2. Air bubbling in the radiator with the engine running often indicates:

    Answer: Combustion gases leaking past the head gasket

    Combustion gases entering the cooling system bubble into the radiator, signaling head gasket failure.

  3. Valve stem seals primarily control:

    Answer: Oil entering the combustion chamber along the stem

    Stem seals limit oil from running down the valve stem into the chamber.

  4. A dial indicator is used to measure crankshaft:

    Answer: End play

    A dial indicator measures crankshaft end play by reading axial movement.

  5. An overheating engine with a collapsed lower radiator hose at high RPM indicates a faulty:

    Answer: Hose or missing internal spring

    A collapsing lower hose lacks its anti-collapse spring or has softened, restricting flow.

  6. Ring end gap that is too small can cause:

    Answer: Ring ends butting and scoring the cylinder

    Insufficient end gap lets the ends touch when hot, scuffing the bore.

  7. A camshaft lobe with measurable wear will most directly affect:

    Answer: Valve lift and engine performance

    A worn lobe reduces valve lift, hurting breathing and power.