Ford 2003 Mustang Workshop Manual page 109

L6 CHECK THE FLYWHEEL BOLTS
Check for loose flywheel bolts.
Are the bolts loose?
L7 CHECK THE FLYWHEEL SURFACE
Inspect the flywheel surface for wear or damage.
Check the flywheel runout.
Is there any damage or excessive wear?
PINPOINT TEST M: TRANSFER CASE VIBRATION
M1 INSPECT THE TRANSFER CASE
WARNING: The electrical power to the air suspension
system must be shut off prior to hoisting, jacking or towing
an air suspension vehicle. This can be accomplished by
turning off the air suspension switch. Failure to do so can
result in unexpected inflation or deflation of the air springs,
which can result in shifting of the vehicle during these
operations.
Inspect the transfer case for loose or missing mounting bolts.
Check for fluid seepage between the transfer case and the
transmission.
Are the mounting bolts missing or loose?
M2 INSPECT THE REAR DRIVESHAFT
NOTE: Verify that the driveshaft and pinion flange index marks
are aligned.
Inspect the driveshaft for missing weights, damage or
undercoating.
Inspect the U-joints for freedom of movement.
Check driveshaft runout and, if necessary, check the pinion
flange runout.
Is the driveshaft or U-joints worn or damaged or
misaligned?
M3 CHECK THE DRIVELINE ANGLES
Measure the rear driveshaft and pinion angles. Refer to
205-00 .
Measure the front driveshaft and pinion angles. Refer to
205-00 .
Are the driveline angles incorrect?
Test Step
the system for normal operation.
No
GO to L6 .
Yes
TIGHTEN the bolts to
specifications. REFER to
308-01 . TEST the system for
normal operation.
No
GO to L7 .
Yes
INSTALL a new flywheel. TEST
the system for normal operation.
No
Clutch system normal. CONDUCT
a diagnosis on other suspect
systems.
Result / Action to Take
Yes
TIGHTEN to
specifications or
INSTALL new bolts as
necessary. TEST the
system for normal
operation.
No
GO to M2 .
Yes
REPAIR or INSTALL a
new driveshaft as
necessary. TEST the
system for normal
operation.
No
GO to M3 .
Yes
Section
REPAIR as necessary.
TEST the system for
Section
normal operation.
No
Section