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To remove clutch fan: 1. Remove the fan shroud. Remove the top screws & the two side screws with a socket & ratchet. 2. Remove the top radiator hose by using a screwdriver to loosen the clamps. 3. Hook the ends of the water pump pulley lock on the bolts on the outside of the water pump pulley. 4. Remove the large nut on the fan with the 1-1/16 wrench by turning counter clockwise. 5. Replace the fan by holding the nut perfectly level with the water pump post & start the nut by hand. -------------------------------------------------------------------------------------- FGtech V53
designation refers to a 1-ton Ford F-Series pickup truck. The
thermostat in your diesel-powered Ford closes off the flow of coolant
when the engine is cold, forcing the engine to heat up faster. When the
coolant has reached a certain temperature, the thermostat opens up and
the coolant flows as normal. A malfunctioning thermostat in your diesel
may cause your engine to overheat if the thermostat gets stuck in the
closed position. Installation of a new thermostat will cure the problem
and get you back on the road
the hood. Allow the motor to cool off so that you will not be scalded
by hot coolant. Locate the thermostat housing by tracing the upper radiator hose from the driver's side of the radiator to its termination at the thermostat housing.
Remove the cap from the white plastic coolant bottle at the front of the engine bay.
Place a drain pan under the radiator drain petcock on the lower side of
the radiator on the driver's side of the truck. Remove the petcock by
rotating it counterclockwise with a 19mm wrench. Replace the petcock and
tighten it in a clockwise direction once the coolant has fully drained.
Remove the clamps from both ends of the upper radiator hose
with a pair of pliers. Pull the hose from the radiator and from the
thermostat housing, using a twisting motion. Set the hose and clamps
Spray penetrating fluid on the three mounting bolts on the
thermostat housing and let it soak in for a few minutes. Remove the
three bolts with an 8mm wrench turned counterclockwise. Remove the
thermostat housing from the water pump and set it and the bolts aside.
Remove the thermostat housing from the water pump to reveal the thermostat. Carefully pry the thermostat up with a flat-blade
screwdriver if necessary. Clean the mating surfaces on the thermostat housing and at the water pump with a rag.
Place a new thermostat into the water pump with the pointed
end facing upward. Install a new O-ring gasket into the groove on the
thermostat housing mating surface of the water pump. Position the
thermostat housing back onto the water pump and tighten the three bolts
with a torque wrench to 15 foot-lbs.
Push the upper radiator hose back onto the radiator inlet and
the thermostat housing until it is fully seated at both ends. Replace
the hose clamps in their original position with a pair of pliers. Refill
the coolant that you drained from the radiator back into the white
plastic coolant tank and replace the cap. Start the engine and let it
warm up. Check for leaks and retighten your connections if necessary
Bummer, your only option is to address why the bolt will not tighten, either the wrong bolt (too short) or stripped threads. If threads are stripped, use a helicoil to repair. Be certain to allow straight access as this step must be perfect or larger problems will result.
you need a belt rope wrench to hod the pulley, however you can remove it without taking the pulley off and put it in a vice to get it off. you will need a 3/8 ths drive ratchet to get it out with and tap it with a hammer also use a torch to heat up the outer edge to get the lock tight break loose.
The serpentine belt tensioner / pulley is on the front of the engine, and part of the belt 'routing'.
Its job is to put tension on the belt as it drives the other devices
like the power steering pump, water pump, air conditioning compressor.
It is an aluminum casting that mounts with a single bolt to the engine. The pulley is attached to the arm.
There are a few ways to move / pry the arm inwards, thus releasing the
tension on the belt for removing/installing: grab on the pulley bolt
(15mm?) with a wrench, or some later models have an opening for a 3/8th
socket wrench to attach to directly without a socket.