Ford F150 Pickup. Instruction — part 995
Fig. 9: Pinpoint Test A: Loss Of Coolant - Test Chart (Steps A2 Cont. - A6)
Courtesy of FORD MOTOR CO.
2003 Ford Pickup F150
2003 ENGINE Engine Cooling - F150 Pickup
Fig. 10: Pinpoint Test A: Loss Of Coolant - Test Chart (Step A7)
Courtesy of FORD MOTOR CO.
Pinpoint Test B: Engine Overheats
2003 Ford Pickup F150
2003 ENGINE Engine Cooling - F150 Pickup
Fig. 11: Pinpoint Test B: Engine Overheats - Test Chart (Steps B1 - B4)
Courtesy of FORD MOTOR CO.
Fig. 12: Pinpoint Test B: Engine Overheats - Test Chart (Steps B5 - B6)
2003 Ford Pickup F150
2003 ENGINE Engine Cooling - F150 Pickup
Courtesy of FORD MOTOR CO.
Pinpoint Test C: Engine Does Not Reach Normal Operating Temperature
Fig. 13: Pinpoint Test C: Engine Does Not Reach Normal Operating Temperature - Test Chart (C1)
Courtesy of FORD MOTOR CO.
COMPONENT TESTS
Pressure Test
1. Turn the engine OFF.
2. Check the engine coolant level. For additional information, refer to COOLING SYSTEM DRAINING,
FILLING & BLEEDING .
3. Connect Radiator Heater Core Pressure Tester to the degas bottle nipple and overflow hose. Install a
pressure test pump to the quick-connect fitting of the test adapter.
4. Slowly depress the plunger of the pressure test pump until the pressure gauge reading stops increasing
and note the highest pressure reading obtained.
5. If the pressure relief cap does not hold pressure, remove and wash the pressure relief cap in clean water to
WARNING:
Never remove the pressure relief cap while the engine is operating
or when the cooling system is hot. Failure to follow these
instructions can result in damage to the cooling system or engine or
personal injury. To avoid having scalding hot coolant or steam blow
out of the degas bottle when removing the pressure relief cap, wait
until the engine has cooled, then wrap a thick cloth around the
pressure relief cap and turn it slowly. Step back while the pressure
is released from the cooling system. When you are sure all the
pressure has been released, turn and remove the pressure relief cap
(still with a cloth).
NOTE:
If the plunger of the pump is depressed too fast, an erroneous pressure
reading will result.
2003 Ford Pickup F150
2003 ENGINE Engine Cooling - F150 Pickup
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