66 Impala Power Sterring Pulling - Impala Tech
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post #1 of 5 (permalink) Old 09-14-2018, 09:37 PM Thread Starter
Join Date: Aug 2016
Posts: 25
66 Impala Power Steering Pulley

I am replacing the power steering pump on my 66 Impala 396. I had to use a pulley to remove the pulley. To install the pulley onto the new power steering pump, the removal/installation tool I got from AutoZone, does not seem like it will work.The new power steering pump shaft has a small hole, but not large enough to accept a bolt. Is a pulley installation tool suppose to be used to install the pulley? The pulley with not slip on the shaft far enough, to use the nut to drive the pulley on.

Thanks in advance for your help all,


Last edited by impalabrl1; 09-14-2018 at 10:24 PM.
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post #2 of 5 (permalink) Old 09-14-2018, 09:49 PM
Join Date: Jan 2006
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There are two different power steering pullets. One is a press on keyed with a Woodruf key and the other is the bolt on. The press on has a groove cut in the from of the pulley hub to allow a puller to grasp the pulley and press against the shaft to get it off. Big nut on the other style is dead give away.

Big Dave
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post #3 of 5 (permalink) Old 09-14-2018, 10:42 PM Thread Starter
Join Date: Aug 2016
Posts: 25
Power Steering Pump Pulley

Mind has the key and large nut I will look for different type of puller versus the one I had which used a bolt.
Thanks Dave,
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post #4 of 5 (permalink) Old 09-22-2018, 09:25 PM Thread Starter
Join Date: Aug 2016
Posts: 25
I have not found any type of device to install the pulley. The original GM manual indicates the pulley should be able to be slid onto the shaft by hand, with the key in place and just torque the nut. Mind will not slide on. My ID is a bit rough, which may be causing the issue. I am going to try to clean it up, although I had the pulley sand blasted and powder coated. If anyone has installed one of these and has any tips, please let me know.


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post #5 of 5 (permalink) Old 09-23-2018, 08:13 AM
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Location: Coopersville, MI
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If you got any powder coating on the fit it will cause an interference. Use some scotch bright pads keep cleaning the fit surface until it is nice shiny metal. You may need a little wd-40 to slide it on and it may take being walked on as it is a very tight tolerance fit.
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