Ford Mustang (1999-2004) Service Manual: Connecting Rod - Side Clearance
1. Measure the clearance between the connecting rod and the crankshaft. Verify the measurement is within specification.
- Refer to the appropriate section in Group for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate section in Group for the procedure.

Roller Follower -Inspection
Push rod engines
1. Inspect the roller for flat spots or scoring. If any damage is found, inspect the camshaft lobes and valve tappet for damage.

OHC engines

Valve Tappet -Inspection
Push rod engines
1. Inspect the hydraulic valve tappet and roller for damage. If any damage is found, inspect the camshaft lobes and valves for damage.

OHC engines

Valve -Stem Diameter
1. Measure the diameter of each intake and exhaust valve stem at the points shown. Verify the diameter is within specification.
- Refer to the appropriate section in Group for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate section in Group for the procedure.

Connecting Rod - Bearing Journal Clearance
Special Tool(s)
Plastigage
303-D031 (D81L-6002-B) or
equivalent
NOTE: The crankshaft connecting rod journals must be within
specifications to check the connecting
rod bearing journa ...
Valve Stem to Valve Guide Clearance
Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
Clearance Gauge, Valve Guide
303-004 (TOOL-6505-E) or
equivalent
NOTE: Valve ...
Other materials:
Valve Cover RH
Removal and Installation
1. Remove the throttle body. For additional information, refer to
Section.
2. Disconnect the crankcase vent hose.
3. Remove the differential feedback exhaust gas recirculation (EGR) system
vacuum hoses and
the bracket bolts. Po ...
Fog Lamps
Refer to Wiring Diagrams Cell 86 , Fog Lamps for schematic and connector
information.
Special Tool(s)
73 III Automotive Meter or
equivalent
105-R0057
Principles of Operation
The fog lamps will only illuminate when the low beam or parking l ...
Air Conditioning Line (Peanut) Fitting
Disconnect
1. CAUTION: Support the female fitting with a wrench to prevent the
tubes from
twisting.
Remove the nut from the peanut fitting.
2. Pull the peanut fitting apart.
3. CAUTION: Do not use metal tools to remove the O-ring seal. They can
cause axi ...
