Choke - Hard Hot Starting Condition

86chrysler4

Models


1985-1986 5.9L Heavy Duty Trucks
- California Only


Subject


Hard Hot Starts


Index


DRIVEABILITY


Date

September 9, 1986

No.


18-40-86

P-3230
SYMPTOM/CONDITION

Hard starting when engine is hot. Black smoke out exhaust after a hot start.

PARTS REQUIRED

Driveability Kit PN 4419427

Contains the following:

1 Choke Assembly Kit PN 4342819
1 Wiring Harness PN 4362459
1 Authorized Modification Label PN 4275086

REPAIR PROCEDURE

This repair replaces the choke element with one that has a different calibration. The choke control switch on the intake manifold is by-passed, allowing battery voltage to the choke heater.

1. Remove air cleaner.

2. Place cam follower on highest step of fast idle cam.

FIGURE 1:

3. Drill out three choke cover retaining rivets, using a #21 (.159") drill. Only drill enough to remove rivet heads (Figure 1).

4. Remove choke cover and discard.

5. Drive out remainder of rivets from choke housing, using a suitable punch and small hammer.
6. Install the supplied choke cover and coil assembly in the choke housing. Make sure that the coil tang engages the inside coil pick-up lever and that the index notch is aligned.

FIGURE 2:

7. Reinstall choke cover retainers and rivets using a suitable blind rivet tool (Figure 2).
8. If applicable, eliminate choke control switch on vehicles as follows:

Remove electrical leads from choke control switch. Install the supplied choke control switch jumper, PN 4362459, to the electrical leads removed from the choke control switch.

FIGURE 3:

9. Install Authorized Modification Label, PN 4275086 (Figure 3).
POLICY: Reimbursable within the provisions of the warranty


TIME ALLOWANCE: Refer to the Labor Operation Time Schedule for Labor Operation Number and Time Allowance