Ford Mustang (1999-2004) Service Manual: Valve Springs
Special Tool(s)
|
Compressor, Valve Spring 303-163 (T81P-6513-A) |
Material
Removal
1. Remove the LH and the RH valve covers. For additional information, refer to Valve Cover-LH and Valve Cover RH in this section.
2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the intake valve and the exhaust valve closed.
3. Hold the valve in the cylinder head.
- Remove the spark plug. For additional information, refer to Section.
- Apply a minimum of 965 kPa (140 psi) of compressed air into the cylinder.
4. CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location.
NOTE: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to Cylinder Head LH or Cylinder Head RH in this section.
Remove the rocker arms.
1. Remove the bolts.
2. Remove the rocker arms.
5. Using the special tool, compress the valve springs.
6. Remove the valve spring assembly.
1. Remove the valve spring retainer key.
2. Remove the valve spring retainer.
3. Remove the valve spring.
4. Remove and discard the valve stem seal and spring seat assembly.
7. Inspect the components. For additional information, refer to Section.
Installation
1. NOTE: Lubricate the parts with clean engine oil.
To install, reverse the removal procedure. Tighten the rocker arm bolts in two stages.
- Stage 1: Tighten to 5 Nm (44 lb-in).
- Stage 2: Tighten to 35 Nm (26 lb-ft).
Push Rod
Removal
CAUTION: Mark the components removed for correct location.
1. Remove the rocker arms (6564). For additional information, refer to
Rocker Arm in this section.
2. Remove the push rods (656 ...
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
Lo ...
Other materials:
Removal
1. Remove the differential housing cover (4033) and drain the rear axle
(4001). For additional
information, refer to Differential Housing Cover in this section.
2. CAUTION: Reinstall the differential pinion shaft (4211) and the bolt in
the differential
case ...
Throttle Position (TP) Sensor
Removal
NOTE: The 3.8L engine is shown; the 4.6L (2V) is similar.
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. Remove the throttle position (TP) sensor.
Disconnect the connector.
Remove the screws, ...
Rear Suspension (Description and Operation)
Item
Part Number
Description
1
18125
Rear shock absorber
2
-
Rear axle driveline vibration damper
3
5A649
Rear lower suspension arm and bushing (common
LH and RH)
4
5560
Rear spring
5
4731
...