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HOT WATER VALVE
REMOVAL & INSTALLATION
Not all model years and engine applic
ations use hot water valves.
1. Drain the coolant.
2. Disconnect the vacuum hose at the hot water valve by sliding the tab of
the connector past the L-shaped bend in the ac tuator vacuum tube.
Then, slide the hose connector off the tube while continuing to hold the
tab back against the connector end.
3. Disconnect the heater hos es from the valve.
To install: 4. Install the valve with the vacuum actuator faci ng up. The heater hoses
will hold the valve in position.
5. Install the vacuum hose to the actuator.
6. Refill the cooling system. R un the engine long enough to purge any
trapped air, then add more coolant if necessary.
7. Check for leaks.
Fig. 1: Hot water valve loca tion on carbureted V8 engines
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4. Connect the large diamet
er brake release vacuum line to the servo unit.
Connect the vacuum hose from the va cuum control valve to the servo
unit.
5. Connect the actuating chain, rod or cable to the servo.
6. Install the servo unit to the bracket; tighten the screws to 12 inch lbs. (1.4
Nm).
7. Install the electrical connector to the servo.
8. Adjust the cable, rod or chain.
Fig. 1: Servo mounting on 1982-1984 2.5L engines
Fig. 2: Servo mounting on 1982-1984 carbureted V6 and V8 engines
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Fig. 5: Servo mounting on fuel injected 2.8L engines
Fig. 6: Servo mounting on carbur eted V6 and V8 engines after 1984
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1982 5.0L CARBURETED
ENGINE WIRING
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1983 5.0L CARBURETED
ENGINE WIRING
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1985 5.0L CARBURETED
ENGINE WIRING
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1986 5.0L CARBURETED
ENGINE WIRING
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1987 5.0L CARBURETED
ENGINE WIRING