Grand Fury/Salon V8-318 5.2L VIN P 2-bbl (1984)
Vacuum Advance Unit: Customer Interest
Ignition System - Spark Knock During Acceleration
Models
1984 318-2V Federal & Calif. Pass. Car
1984 318-2V, Calif. Light Duty Truck
1985 318-2V Calif. Pass. Car
Subject
Spark Knock During Light to Medium Acceleration
Index
FUEL
Date
February 25, 1985
No.
18-09-85
SYMPTOM/CONDITION
A condition may exist on some subject model vehicles of spark knock during light to medium acceleration.
NOTE:
THIS SERVICE IS NOT APPLICABLE TO 1985 CALIFORNIA PASSENGER CARS WITH CARBURETOR PN 4288565 OR
ANY VEHICLES ON WHICH DRIVEABILITY PACKAGE PN 4342943 (TECHNICAL SERVICE BULLETIN #14-64-84) OR
4342804 (TECHNICAL SERVICE BULLETIN #14-39-84) HAS BEEN INSTALLED TO CORRECT SURGE, DECEL
BUCKING, OR SPARK KNOCK.
PARTS REQUIRED
Spark Knock Reduction Package PN 4342944
Consists of:
1 -
3-1/2" Vacuum Reducer
PN 4091910
1 -
Hose Routing Label (1984 California Passenger Car)
PN 4307537
1 -
Hose Routing Label (1984 California Truck)
PN 4179648
1 - Hose Routing Label (1985 California Passenger Car)
PN 4179844
Must be ordered separately:
1 -
Authorized Modification Label
PN 4275086
Installation Procedure
1..
Disconnect vacuum hose to ESA module and plug. Start engine
and warm sufficiently to allow operation at curb idle. Check and adjust basic timing to VECI label specification.
2.
Cut vacuum hose to ESA module, approximately 6" from ESA end.