Ignition System - Spark Knock During Acceleration
85chrysler07Models
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.
Fig. 1 - ESA Module:
3. Install 3-1/2" vacuum reducer with nipple on foam filter end to vacuum transducer on ESA module (Figure 1).
FIGURE 2:
4. Type information on Authorized Modification Label PN 4275086 as illustrated in Figure 2.
5. Clean the existing hose routing label surface and apply the appropriate hose routing label:
1984 California Passenger Car PN 4307537
1984 California Light Duty Truck PN 4179648
1985 California Passenger Car PN 4179844
POLICY: Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
Labor Operation No. 08-15-66-90.. ....... ..... . . . .. . .. . .. 0.3 Hrs.
FAILURE CODE: AM - Authorized Modification