IGNITION SYSTEM
SERVICE MANUAL NUMBER 24
Page 4B-26
90-861327--1 OCTOBER 1999
GM EST Distributor
NOTICE
Refer to “Service Precautions” in the front of this section BEFORE proceeding.
Removal
1. Disconnect electrical connectors at distributor module.
2. Remove distributor cap and set it aside.
3. Scribe a line on distributor housing marking position of rotor. Also, mark position of
distributor housing on intake manifold.
4. Remove distributor and gasket from intake manifold.
IMPORTANT: DO NOT crank engine over after distributor has been removed.
5. Align rotor with scribe mark on distributor housing. Scribe a line on the gear, in line with
housing to intake manifold scribe mark.
Disassembly
72411
i
o
n
m
l
k
j
i
h
g
f
e
d
c
b
a
a -
Cap
b -
Rotor
c -
Shaft Assembly
d -
Retainer
e -
Shield
f -
Pickup Coil
g -
Pole Piece
h -
Screw
i -
Module
j -
Housing
k -
Gasket
l -
Tang Washer
m -
Washer
n -
Gear
o -
Pin
Index