Ford 2003 Mustang Workshop Manual page 70

Symptom Chart — Engine Noise/Vibration
Condition
Grinding noise—
occurs during
engine cranking
Engine ticking
noise
Engine drumming
Binding or
damaged
splines on the
driveshaft slip-
yoke.
Driveshaft
runout.
Incorrect lateral
and radial
tire/wheel
runout.
Driveline angles
out of
specification.
Incorrectly
seated CV joint
in the front
wheel hub.
Possible Sources
Incorrect starter
motor mounting.
Starter motor.
Incorrect starter
motor drive
engagement.
Fuel injector.
Fuel line.
Oil pump.
Valve lifter.
Belt tensioner.
Water pump.
Obstruction of cooling
fan.
Powertrain mount.
CARRY OUT a driveline
vibration test. REFER to
Section 205-00 . REPAIR as
necessary.
CLEAN and INSPECT the
splines of the slip-yoke,
driveshaft and coupling
shaft for wear or damage.
INSTALL a new slip-yoke or
driveshaft assembly as
necessary. REFER to
Section 205-01 . REPAIR as
necessary.
CARRY OUT a Runout
Check. REFER to Section
205-00 . REPAIR as
necessary.
INSPECT the tire and
wheels. MEASURE tire
runouts. REPAIR or
INSTALL new components
as necessary. REFER to
Section 204-04 .
CHECK for correct driveline
angles. REPAIR as
necessary. REFER to
Section 205-00 .
CHECK the outer CV joint
for correct seating into the
hub. REPAIR as necessary.
Action
INSPECT the starter motor
for correct mounting.
REPAIR as necessary.
REFER to Section 303-06
CHECK the starter motor.
REPAIR or INSTALL a new
starter motor as necessary.
REFER to Section 303-06
INSPECT the starter motor
drive and flexplate/flywheel
for wear or damage.
INSTALL a new starter
motor drive or flywheel as
necessary. REFER to
Section 303-06 .
Go To Pinpoint Test B
CARRY OUT
.
.
.