Cooling System - Overheating in High Temperatures
84ford16Article No. 84-6-14
OVERHEATING - DURING HIGH AMBIENT TEMPERATURES (+85~ AND ABOVE) AND PROLONGED IDLE MODE (5.0L)
FORD 1983-84 THUNDERBIRD
LINCOLN-MERCURY 1983-84 COUGAR
A condition of the engine temperature warning light coming on with no loss of coolant during high ambient temperatures and prolonged idle mode may be serviced using the following procedure:
^ Remove and discard the cooling fan, water pump and pulley.
^ Install a new fan using part number E4SZ-8600-B and the water pump and pulley using part numbers E1AZ-8501-A and E4SZ-8509-A. Torque attaching bolts to specification.
^ Reinstall the drive belt and set tension to 110-130 lbs.ft.
FIGURE 11:
^ On vehicles built prior to January 7, 1984 install right and left radiator air deflectors as shown in Figure 11.
^ Fill the cooling system to correct specification.
^ Verify that the engine hot idle speed is set to specification.
NOTE: If vehicle usage applies to heavy traffic stop and go driving for long periods of time in hot weather, owner should be advised to occasionally place the gearshift selector in P (PARK) or N (NEUTRAL) to increase the engine idle speed. This aids in engine cooling and air conditioner efficiency.
PART NUMBER PART NAME CLASS
E1AZ-8501-A Water Pump - H.O. A
E4SZ-8509-A Water Pump Pulley R
E4SZ-8600-B Fan B
E4SZ-8310-A Air Deflector C
388577-S Pin-Push B
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual.
OPERATION: SP8501A84
TIME: 1.9 Hrs.
OPERATION: SP8501B84*
TIME: 0.2 Hr. DLR. CODING: Basic Part No. 8501 Code: 65
* -Supplement for Air Deflector Installation on Vehicles Built Prior to 1/7/84.