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Multiple Systems Relay - Failures

NO.: 08-50-93

GROUP: Electrical

DATE: Oct. 15, 1993

SUBJECT:
Relay Failures

MODELS:

1993 (AS) Caravan/Grand Caravan/Caravan CV
Voyager/Grand Voyager/Town & Country

NOTE:
THIS BULLETIN APPLIES TO VEHICLES BUILT BETWEEN FEB. 9, 1993 AND MAR. 26, 1993 (MDH 0209xx THROUGH 0326xx).

SYMPTOM/CONDITION:

The relays listed below may become inoperative on AS model vehicles built within the above MDH range. Listed below are the applications and associated symptom(s) for the suspect relays:

Auto Shutdown Relay - Engine will not start.

Fuel Pump Relay - Engine will not start.

Radiator Fan Low Speed Relay - A/C does not cool (Compressor Clutch does not
engage), Engine operates at a higher than usual
temperature but does not overheat (Radiator fan
does not operate at low speed).

Radiator Fan High Speed Relay - Engine overheats when under heavy load (Radiator
fan does not operate at high speed), A/C cuts out
because of high pressure.

DIAGNOSIS:





Locate the five relays and bracket assembly mounted to the left front inner fender. Inspect the four relays labeled with P/N 4557540 for build date codes 0113 (day 11 of 1993) through 0373 (day 37 of 1993). Refer to the illustration in this bulletin. If one or all of the relays build date codes are within the range described, perform the repair. If the relays build date codes are outside this date code range, repair the vehicle using normal procedures.

PARTS REQUIRED:

AR Relay 4557540

REPAIR PROCEDURE:

This bulletin involves replacing all P/N 4557540 relays with a build date code of 0113 through 0373.

1. Remove the two hex head screws attaching the five relays and bracket assembly to the left inner fender.

2. Disconnect the wiring connectors to the relay(s) with build date code(s) 0113 through 0373.

3. Remove the suspect relay(s) from the bracket.

4. Install the replacement relay(s) on the bracket.

5. Connect the wiring to the relay(s).

6. Reinstall the relay and bracket assembly to the inner fender. Torque the screws to 35 in.lbs. (4 N-m).

POLICY:
Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:
Labor Operation No. 08-65-05-90 0.2 Hrs.

FAILURE CODE: P8 - New Part