Power Steering Pump

I removed the power steering pump from the engine bay.  It was covered in oil and grease – the grease was old grease, and had gone hard from the heat.  I used some degreaser and a stiff bristled brush to loosen it, however in the end I had to use a metal scraper to get the last bits off.  After I had cleaned it all up, I gave it a coat of primer.

I noticed a couple of nicks in the shaft seal.  This would explain why there was so much mess on the front of the pump and also on the back of the pulley.

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After measuring the shaft and outer seal diameter, I managed to cross reference an off the shelf seal.


The existing seal was pretty difficult to remove, so I had to get a bit rough with it.  I eventually got it out without damaging the shaft.

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Installing the new seal was pretty straight forward.  I lubricated the shaft with power steering fluid as well as the seal and also the outer diameter.  I then gently tapped the seal in all around the diameter so it went in square.


I then gave the whole thing a wipe over with wax and grease remover, and then proceeded to put a coat of paint on the pump followed by a coat of clear.  The cap got the same treatment, so it is all ready to go.  Before filling it up in the car I will replace the high pressure hose.  I had the hose fail on my last Cadillac  😦

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