Mechanical Clutch Fan Bolts?
Hi,
The guy I bought my RX-7 from had installed a E-Fan, but since i am having issues with cooling now that it is summer, I wanted to convert it back to the mechanical with shroud. He gave me both of these when I bought the car though. My question is, when I went to remove some bolts to mount the fan on the water pump pulley, all 8 bolts are basically the same size, 4 are threaded all the way to the end, the other 4 are threaded almost all the way to the end, but they are excactally the same length. None of the 8 wil just clear the fan bracket you use to mount the bolts. Are 4 of the bolts supposed to be longer than the other 4? |
4 bolts are for mounting the pulley to the water pump and 4 are to mount the fan to the pulley. its been a while as ive been using an e- fan but try it out i think thats how it goes together. if not go to ace hardware and buy metric bolts try and comeback till you get the right bolt sizes.
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Yeah,
I just could not belive that the 4 bolts that are in there arn't the right ones. All 8 bolts are installed so he must have put 4 shorter bolts from somewhere in there. |
Are you having cooling issues when going fast or slow? Fast has nothing to do with the fan unless it's staying on. In which case it can mess up airflow.
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As I recall, you should have 4 studs, 4 bolts, and 4 nuts with washers. The studs fit into the water pump hub. You fit the pulley over the studs, and fasten it with the 4 bolts. Then the fan/clutch assembly fits over the studs (I believe the fan's hub is shaped so that it somehow clears the pulley bolts), and you fasten it with the 4 nuts and washers.
I don't remember the stud sizes, but they're probably 6mm x 1.25mm x 30mm (that's a guess) or thereabouts. |
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