Ford Mustang (1999-2004) Service Manual: Sprockets
1. WARNING: To avoid the possibility of personal injury or damage to the vehicle, do not operate the engine with the hood open until the fan blade has been examined for possible cracks and separation.
NOTE: Specifications show the expected minimum or maximum condition. Refer to the appropriate section in Group 303 for the procedure.
NOTE: If a component fails to meet the specifications, it is necessary to install a new component or refinish. If the component can be refinished, wear limits are provided as an aid to making a decision. A new component must be installed for any component that fails to meet specifications and cannot be refinished.
Inspect the timing chain/belt and the sprockets.
- Install new components as necessary. Refer to the appropriate section in Group 303 for the procedure.

Rocker Arms - Cleaning
1. Clean all parts thoroughly. Make sure all oil passages are open.
2. Make sure oil passage in the push rod/valve tappet end of the rocker arm (6564) is open.
Component Tests
Engine Oil Leaks
NOTE: When diagnosing engine oil leaks, the source and location of
the leak must be positively
identified prior to repair.
Prior to carrying out this procedure, clean all sealin ...
Rocker Arms - Inspection
CAUTION: Do not attempt to true surfaces by grinding. Check the
rocker arm pad, side
rails and seat for excessive wear, cracks, nicks or burrs. Check the rocker
arm seat bolt for
stripped or bro ...
Other materials:
Safety precautions
WARNING: Do not overfill the fuel tank. The pressure in an
overfilled tank may cause leakage and lead to fuel spray and fire.
WARNING: The fuel system may be under pressure. If you hear
a hissing sound near the fuel filler inlet, do not refuel until the
sound ...
Fuel System (Description and Operation)
Component Location
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel-related components. Highly flammable mixtures are
always present
and may be ignited, resulting in possible personal injury ...
Crankshaft Main Bearing Journal - Clearance
Special Tool(s)
Plastigage
303-D031 (D81L-6002-B) or
equivalent
NOTE: Crankshaft main bearing journals must be within specifications
before checking journal
clearance.
1. Remove the crankshaft main bearing caps and crankshaft main bearing.
...
