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:
Valve Tappets
Material
Removal
CAUTION: If removing more than one valve tappet, mark the
components removed for
correct location.
1. Remove the lower intake manifold. For additional information, refer to
Lower Intake Manifold in
this section.
2. Remove the push r ...
Reservoir
Removal
WARNING: Brake fluid contains polyglycol ethers and polyglycols.
Avoid contact with
eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes,
flush eyes with
running water for 15 minutes. Get medical attention if irritation persi ...
Fuel Injectors
Material
Item
Specification
SAE 5W-20 Premium Synthetic
Blend Motor Oil
XO-5W20-QSP or equivalent
WSS-M2C153-
H
Removal and Installation
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near ...
