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:
Disassembly
1. Remove the No. 1 selective pump support thrust washer.
2. Remove the front pump support.
1. Remove the bolts.
2. Remove the front pump support.
3. Remove the seal rings.
4. Remove the inner and outer pump gerotor gears.
5. Carefully pry spring ...
Air Conditioning (A/C) Pressure Relief Valve - 4.6L
Material
Item
Specification
PAG Refrigerant Compressor
Oil (R-134a Systems)
F7AZ-19589-DA (Motorcraft YN-
12-C)
WSH-M1C231-
B
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when
repairing the ...
Bearing Whine
Bearing whine is a high-pitched sound similar to a whistle. It is usually
caused by worn/damaged
pinion bearings, which are operating at driveshaft speed. Bearing noise occurs
at all driving speeds.
This distinguishes it from gear whine which usually comes ...
