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:
Installation
WARNING: To reduce the risk of serious personal injury, read
and follow all warnings,
cautions and notes at the beginning of the removal procedure.
Vehicles receiving a new clockspring
1. NOTE: A new clockspring is supplied in a centralized position a ...
Instrument Cluster Replacement
When it is necessary to install a new instrument cluster, contact the
Instrument Cluster Program.
Gauge Indication Systems
Tachometer
Engine rpm information is relayed to the instrument cluster from the
powertrain control module (PCM)
over the standard ...
Removal
1. Remove the upper intake manifold. For additional information, refer to
Intake Manifold-Upper
in this section.
2. Disconnect the fuel line. For additional information, refer to Section.
3. Remove the coolant by-pass tube. For additional information, refer ...
