Mazda MX-5 Miata Sport 2007 Manual page 2031

2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
ENGINE NOISE DIAGNOSTIC PROCEDURE TABLE
STEP
1
2007 Mazda MX-5 Miata Sport
INSPECTION
Is a squealing, click or
chirping sound present?
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

RESULTS
Yes Inspect for the followings:
ACTION
Engine oil level

Drive belt tension

Splash shield or under

cover looseness
Generator installation

(alignment)