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:
Towing the vehicle on four whe
Emergency Towing
If your vehicle becomes inoperable (without access to wheel dollies,
car-hauling trailer, or flatbed transport vehicle), it can be flat-towed
(all wheels on the ground, regardless of the powertrain and transmission
configuration) under the fol ...
Installation
1. NOTE: This procedure applies to both the LH and RH halfshafts.
Install a new driveshaft bearing retainer circlip.
2. Remove the special tool.
3. CAUTION: Differential seal damage will occur if installing the
halfshaft without the
special tool installed. ...
Engine - Mach I 4.6L (4V)
General Specifications
Engine Specifications
a - Newly Installed-Refers to the condition of the "NEW" drive belt
before the engine has made no more
than one rotation and before the belt has had a chance to stretch or seat
into the pu ...
