Cylinder compression is too low, hard to start or poor performance at low speed

■ Leaking cylinder head gasket

• Worn, stuck or broken piston ring

• Worn or damaged cylinder and piston

Cylinder compression too high, overheats or knocks

• Carbon deposits on the cylinder head and/or piston crown

Excessive smoke

• Worn cylinder, piston or piston ring

• Improper installation of piston rings

• Scored or scratched piston or cylinder wall

Abnormal noise

• Worn piston pin or piston pin hole

• Worn connecting rod small end

• Worn cylinder, piston or piston rings

• Worn main journal bearings

• Worn crankpin bearings

Engine vibration

• Excessive crankshaft runout


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Simple Car Care Tips and Advice

Simple Car Care Tips and Advice

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