CONTENTS
SOUNDS
UNDERHOOD
RHYTHMIC

HALLOW, RAPPING SOUND

CONDITION(S)

• HALLOW, RAPPING SOUND FROM ENGINE
• ENGINE HAS OVERHEAD CAMSHAFT
• OCCASIONAL SNAP OR CLICK IS HEARD
• ENGINE MAY SURGE

POTENTIAL CAUSE(S)

CHECK THIS FIRST:

1. LOOSE TIMING BELT
Have timing belt professionally replaced.

CHECK THIS LAST:

2. WORN OR TIGHT MOTOR MOUNTS; CONFIRMED IF APPARENT DURING RAPID ACCELERATION
Have motor mounts professionally serviced.

CONTENTS
LIGHT, TAPPING NOISE
ROUGH IDLE