Symptom Flow

Symptom Action to Take

Squeal, Click or Chirp Go to 25-1. 25-1 Check Accessory Drive

Rumble, Grind Go to 25-4. 25-4 Check Accessory Drive Components

Rattle Go to 25-5. 25-5 Check For Loose Components

Hiss Go to 25-6. 25-6 Check Vacuum Distribution

Snap Go to 25-11. 25-11 Check Secondary Ignition

Rap, Roar Go to 25-12. 25-12 Check Exhaust System

Knock Go to 25-14. 25-14 Check Basic Engine