Remove the fan shroud, there are 7 10mm bolts holding it on 3 along the top, then 2 on each side. If you have AC then you will need to inbolt a bracket that holds the hoses down. That is located right on top. You should be able to then pull the shroud up and out, it is tight. After that you remove the 4 13mm nuts holding the clutch to the water pump. After they are all removed you can pull the clutch and fan off the front of the engine. Then all you have to do is swap the fan to the new clutch and reverse the prosess.
ok the part up ^ is mostly correct. there is also a larger nut that holds the fan onto the water pump in the center. its pretty easy to see if you already got the other 13mm bolts off, but you have to remove that nut as well and it spins the pulley in the water pump. which means you need to get someone to put tension on the belt or get something so that the water pump pulley does not move.
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A bad fan clutch, low on coolant, missing fan shroud, bad thermostat or a plugged up radiator.
There are only a few bolts holding the fan on the engine, pull it out then unbolt the clutch from the fan, replace the part and then bolt the fan back on to the engine.
The fan clutch on a 1997 S10 has a bolt on the center of the front. Remove the bolt while holding the clutch still. There is a special tool to grab the clutch fan from the rear to hold it while removing the bolt.
That would be a clutch fan hub and bearing assembly.
If the fan runs more than it needs to to keep the engine cool then it is robbing a bit of power to spin the fan.
you have to remove the cooling fan to change the fan clutch. you need to loosen the fan shroud, be careful to remember the serpenting belp routing, maybe draw a diagram to remind you. 4 bolts holding the fan to the water pump, 4 bolts holding the clutch to the fan. this is how i did mine on a 5.0l Chevy truck
Turn the large nut loose (1 7/16") by turning it counterclockwise then spin the fan and fan clutch off as an assembly. Separate the fan from the clutch on the bench.
When the clutch fan locks up it makes a sound like a propeller on a airplane and the more you rev the engine the louder it gets.
Usually there are 4 nuts holding the clutch and fan on to the water pump shaft. Just pull the nuts, remove the fan clutch and replace it.
Low on coolant, stuck thermostat, faulty fan clutch, plugged radiator inside, plugged radiator outside,
How do you change a fan clutch on a 1991 bmw528i?