A/T - Steady Surge After Lock Up

83chrylser5

Models

1981-1983 D & W 150-350 Truck & B150-350 Vans, Sportsman & Voyager Wagons, 318 2V & Light Duty Federal Emissions Aspirator With Lock-Up Torque Converter


Subject


Steady Driving Surge at 30-40 MPH Following Transmission Lock-Up


Index


TRANSMISSION


Date


February 7, 1983

No...

21-01-83


P-310-C
SYMPTOM/CONDITION

Part throttle surge warm at 30-40 mph following transmission lock-up.

DIAGNOSIS

Road test the vehicle and verify the condition. If surge is still present at steady speeds between 30 and 40 mph with the engine fully warmed up and after all warm driveability diagnostic procedures have been followed, do the following:

REPAIR PROCEDURE

Parts Required: 1 - Spring PN 4202672
1 - Lock-Up Body* PN 4202209

*Refer to Step 2 of "Repair Procedure" for usage of this part.

1. Remove transmission oil pan.

FIGURE 1 - OLD STYLE:

FIGURE 2 - NEW STYLE:

2. Remove valve body and inspect the lock-up valve body.

A. If lock-up valve body is the old style lock-up body (Figure 1), replace it with new style Lock-Up Body (Figure 2) PN 4202209 and replace the present lock-up spring with a new Lock-Up Spring PN 4202672. Reuse the existing lock-up valve, fail safe valve and spring, cover, and screws.

B. If the lock-up valve body is the new style lock-up body (Figure 2), install only the new Lock-Up Spring PN 4202672.

3. Install the valve body and torque screws to 35 inch pounds (4 N-m).
4. Install the transmission oil pan and fill with ATF fluid.

5. Adjust shift and throttle linkage as necessary.


NOTE: THIS BULLETIN IS RELEASED IN ADVANCE OF PARTS AVAILABILITY. THE PARTS LISTED IN THIS BULLETIN WILL BE AVAILABLE IN LATE FEBRUARY, 1983.
POLICY: Reimbursable within the provisions of the warranty

TIME ALLOWANCE:
Labor Operation No. 21-95-01-90 . . . . . . . . . . 1.1 Hrs.

FAILURE CODE: 30 - Surge