Engine Repair #3

The Chain powering additional vehicle components; driven by an extra sprocket, usually located in front of the crankshaft timing chain sprocket is called

• Engine front cover

• Camshaft drive

• Auxiliary chain

• Sprocket

The Mechanisms designed to smoothly transfer the rotational motion of a crankshaft to the camshaft(s) at one-half of engine speed. There are three types: timing gears, a timing chain and sprockets, or a timing belt and pulleys are called

• Engine front cover

• Timing mark

• Timing belt sprocket

• Camshaft drive

Metal plates shaped to prevent chain slap on long lengths of chain. Guides have a metal body with a plastic, nylon, or Teflon face, allowing a chain to slide with minimum wear. These are called

• Chain guide

• Timing chain

• Harmonic balancer

• Vibration damper

Definition: Spring-loaded or hydraulic device that pushes on the unloaded side of a chain to keep it tight and remove excess slack in the chain

• Engine front cover

• Chain slap

• Chain tensioner

• Vibration damper

Definition: A thin, stamped steel or cast aluminum cover that encloses the timing chain or gear mechanism. It blocks dirt and debris while preventing oil leakage.

• Timing belt sprocket

• Engine front cover

• Dual-mass harmonic balancer

• Camshaft drive