Vacuum Diaphragm Removal And Installation; Spark Plugs Cleaning And Inspection; Distributor Cleaning And Inspection; Ignition Coil Cleaning And Inspection - Ford VSG-411 Service Manual

2-07 Ignition System 2-07
FIG. 14 Distributor Clamp Retaining Bolt
VACUUM DIAPHRAGM
Removal
1. Remove distributor cap and rotor arm.
2. Remove clip retaining vacuum actuating lever to pivot pin,
remove two screws and detach unit from distributor body.
Installation
1. Lubricate pivot pin with distributor cam lubricant
C4AZ-19D530-A.
2. Slide diaphragm unit actuating lever onto pivot pin, position
unit to housing and install two retaining screws.
3. Install clip to pivot pin.
4. Install rotor and distributor cap.
FIG. 15 Vacuum Diaphragm Removal
A - Retaining Screws
B - Pivot Pin Clip
CLEANING AND INSPECTION
SPARK PLUGS
Examine the spark plug for cracked ceramic insulator and con-
dition of firing end. Refer to Figure 16 for various conditions and
actions.
DISTRIBUTOR
Clean distributor using compressed air.
Inspect the distributor cam lobes for scoring and signs of wear.
If any lobe is scored or worn, replace the distributor.
Inspect the breaker plate assembly for signs of distortion, wear
or damage.
Inspect all electrical wiring for fraying, breaks, etc., and re-
place any that is not in good condition.
Check the distributor base for cracks or other damage.
Check the diaphragm housing, bracket, and rod for damage.
Check the vacuum line for damage. Test the diaphragm for leak-
age. Replace all defective parts.
Inspect the breaker points. Replace the breaker point assembly
if the contacts are badly burned or excessive metal transfer be-
tween the points is evident.
DISTRIBUTOR CAP AND ROTOR
Wipe the distributor cap and rotor with a clean cloth dampened
with soap and water. Remove any soap film and dry with com-
pressed air.
Examine for cracks, carbon tracking, dirt or missing carbon
button in cap. Replace as necessary. Review Distributor Cap and
Rotor Installation and Removal.
IGNITION WIRES
Without removing wires, inspect for visible damage such as
cuts, pinches, cracked or torn boots. Replace as necessary.
IGNITION COIL
Wipe coil tower with a clean cloth dampened with soap and
water. Remove any soap film and dry with compressed air. Inspect
for cracks, carbon tracking and dirt.