Automobile Parts User Manual

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SERVICING YOUR ENGINE
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the
cylinder head.
Attach the spark plug caps.
After the spark plug seats, tighten with a 13/16-inch spark plug
wrench to compress the washer.
If reinstalling the used spark plugs, tighten 1/8 1/4 turn after the
spark plug seats.
If installing a new spark plugs, tighten 1/2 turn after the spark plug
seats.
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