AUX CHEVROLET DYNASTY 1993 Service Manual

INSTALLATION
(1) Position distributor in engine. Make certain that
the O-ring is properly seated on distributor. If O-ring is
cracked or nicked, replace it with new one. (2) Carefully engage distributor drive with auxiliary
shaft drive. When distributor is installed properly,
rotor will be pointing toward cylinder block. If engine
has been cranked while distributor is removed,
establish proper relationship between the dis-
tributor shaft and Number 1 piston position as
follows: (a) Rotate the crankshaft until number one piston
is at top of compression stroke. Pointer on clutch
housing should be in line with the O(TDC)mark on
flywheel. (b) Rotate rotor to a position just ahead of the
number one distributor cap terminal. (c) Lower the distributor into the opening, engag-
ing distributor drive with drive on auxiliary shaft. With distributor fully seated on engine, rotor should
be under the cap number 1 tower.
(3) Install the distributor cap. Ensure all high ten-
sion wires snap firmly in the cap towers. (4) Install hold-down arm screw and finger tighten.
(5) Install splash shield.
(6) Connect distributor pick-up connector lead wire
at wiring harness connector. (7) Set ignition timing to specification. Refer to Ig-
nition Timing.
DISTRIBUTOR PICK-UPÐ2.2L TBI, 2.5L TBI AND
2.5L MPI ENGINES
REMOVAL
(1) Remove splash shield and cap. Refer to Distribu-
tor Removal. (2) Remove rotor from shaft (Fig. 15).
(3) Remove Hall effect pick-up assembly (Fig.
16).
INSTALLATION
(1) Place pick-up assembly into distributor housing
(Fig. 16). The distributor pick-up wires may be damaged
if not properly reinstalled. (2) Install rotor (Fig. 15).
(3) Install cap and splash shield. Refer to Distribu-
tor Installation.
DISTRIBUTOR SERVICEÐ3.0L ENGINE
REMOVAL
(1) Disconnect distributor connector from wiring
harness connector (Fig. 17).
Fig. 12 Splash ShieldÐ2.5L Engine
Fig. 13 Distributor Cap Retaining ScrewsÐ2.5L En- gine
Fig. 14 Distributor CapÐ2.5L Engine
8D - 18 IGNITION SYSTEMS Ä