refer to earlier post about water pump?

Question

in reference to the 94 lincoln towncar srs with water pump problems. I have recieved three suggestions and would like to thank you all. In addition, there is no bolt holding this hub on. There was a spiral wire on the front, but a heplful person broke it off. I am speaking of the aluminum hub to which the fan blades
are bolted. The shaft will have to be installed on the new water pump. I just need to know how to get that aluminum hub off.

Answer 1

There's a special made tool for this. It looks like an over-sized flat wrench. You can rent or borrow it from a parts store like O'reilly's or Auto Zone. The tool goes around the whole hub.

Answer 2

unless they started gluing water pumps on to cars, you must remove the bolts which holds the water pump on. the fan must be removed to get to the bolts for the pump. there are about 8-10 bolts for the pump and go into the front of the block. you should remove the cowling and the radiator to give you room at the front to remove the bolts. the shaft is part of the pump, not separate.as you seem to think. the fan is attached by bolts and must also be removed to get the pulley on the pump off. if you don't know how many bolts there are, check with an auto supply and look at another pump so you'll know how many bolts are removed. a different pump may be new or used (rebuilt) and comes with the gasket you'll have to replace. the pump will almost fall of when all bolts are removed. if it is hard, you probably missed a bolt. do not try to force the pump off since it may break and you won't get you core charge back. as for the aluminum hub, it is attached by the same bolts that hold the fan on. the fan may have what is called a clutch and that is what is attached to the end of thre water pump shaft with four short bolts and nuts.the fan blades may have four short bolts attaching it to the fan clutch. if you can, get a Chilton's auto manual for your vehicle and follow the directions when removing everything. IT will also tell you how to reinstall everything in the right order.

Answer 3

Yikes...the helpful person who broke off the "spiral wire" on the front just cost you a new part.

The "aluminum hub" you are looking at is the fan clutch. The spiral wire on the front of it is the thermostatic coil that heats and expands to change the speed of the shaft. Breaking it off means you now need to get a replacement fan clutch, about $50 - $70 at an aftermarket parts store.

The fan blade is bolted to the fan clutch with four bolts. You don't have to remove the fan blade...it will come off still bolted to the clutch. You will need a special tool which you can get free (with a refundable deposit) at a local parts store...ask for the fan clutch service tool.

The tool has two pieces...a "holder" which you hook around two of the fan blade bolts, and a large-diameter wrench which you put on the nut where the fan clutch threads on to the water pump. Pulling the two handles in opposite directions breaks the fan clutch loose, and then you can thread it off and remove it.

Once the fan clutch/fan blade assembly is pulled up and out of the car (you may have to remove the fan shroud to get it out), you have access to the four water pump to engine bolts. Remove the water pump from the engine block and replace. Installation of the fan clutch and blade assembly is the reverse of removal...use the special tool to hold the pump in place while you snug up the fan clutch threads to around 60 ft/lbs.

Answer 4

A new hub might come with the new water pump... I had seen on a different vehicle where they had that. Is most likely pressed on. May want to do a check at the autoparts store prior to taking the old one off just to make sure thats the case.

Answer 5

You must use a shop press. I suggest you take it to a mechanic
shop where they have access to a press. They would know what to do.