DIAGNOSTIC PROCEDURE
ENGINE NOISE DIAGNOSTIC PROCEDURE TABLE
POSSIBLE CAUSE
Rattle sound noise:
Loose parts
Hiss sound noise:
Vacuum leakage
Loose spark plug
Air leakage from intake-air system
Rumble or grind noise:
Improper drive belt tension
Improper P/S fluid level
Rap or roar noise:
Dynamic dumper looseness
Exhaust system looseness
Intake-air system looseness
Other noise:
Camshaft friction gear noise or MLA noise
Timing chain noise
STEP
INSPECTION
RESULTS
ACTION
1
Is a squealing, click or
chirping sound present?
Yes
Inspect for the followings:
Engine oil level
Drive belt tension
Splash shield or under
cover looseness
Generator installation
(alignment)
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
Microsoft
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