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PS pump repair in PICS !

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Old 11-11-2017, 02:09 AM   #1
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Default PS pump repair in PICS !

rebuilding the Saginaw (Type 2) TC PS pump !! The top secret rebuild info no one wants you to know !!

Finally got her dun .....here is what ya need

seal kit...I used a edelmann part.....or you can use GM 26053277
ring kit ...GM 26046606
small screw driver.....sharpened
punch... 3/32
press.... i used the larger harbor freight one ( 2 tons? )
22 mm wrench or socket
3/8 allen
pick and hook set
rubber mallet
assembly lube...I used lucas...green n sticky
vasaline....use it on the seals

much kudos to PSC Motorsports in Azle TX for allowing me to pick their brains to find out how to do this as I know of no manual available for repair ( and neither did PSC ) , they do all steering systems for any car or truck but specialize in 4x4 stuff...hit em up if ya need em

follow along......

Last edited by sjsingle1; 11-12-2017 at 03:56 AM. Reason: corrected to Saginaw (Type 2) and capitalized Saginaw to properly honor the fine people of the namesake city in Michigan.
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Old 11-11-2017, 02:10 AM   #2
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Old 11-11-2017, 02:10 AM   #3
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Old 11-11-2017, 02:11 AM   #4
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Old 11-11-2017, 02:11 AM   #5
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the big O ring goes in the housing....smaller of the big O rings goes in the outer cover

small black for the reservoir....small green on the pressure valve nut

seal...self explanatory

Last edited by sjsingle1; 11-11-2017 at 03:03 AM.
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Old 11-11-2017, 02:12 AM   #6
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GM ring kit

inner rotor and rotor housing....vanes ...10 of em !

Last edited by sjsingle1; 11-11-2017 at 03:20 AM.
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Old 11-11-2017, 02:12 AM   #7
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vanes and the PITA retaining ring
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Old 11-11-2017, 02:16 AM   #8
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first step....remove resevoir....to do that ya gotta get the clips off

I used a hook from a pick and hook tool kit

lift up on the inner tab and punch the other side of the edge of the clip with a screwdriver to push the clip off...if ya got a friend to help MUCH easier

pull off the reservoir and notice how bad the O ring is ....leak city !!!

Last edited by sjsingle1; 11-11-2017 at 03:22 AM.
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Old 11-11-2017, 02:19 AM   #9
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next step ...get the ring retainer out of the back cover

there is a small hole on the bottom of the pump ...use the 3/32 punch to dislodge it out of the recess
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Old 11-11-2017, 02:20 AM   #10
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use the small screwdriver to go around and remove the ring
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Old 11-11-2017, 02:21 AM   #11
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the back cover does not just pop off....use a rubber mallet to hit the the end of the shaft to push the cover out and off

not to hard or you will send it across the room !

Last edited by sjsingle1; 11-11-2017 at 03:23 AM.
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Old 11-11-2017, 02:22 AM   #12
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inside of the back cover...there is a o ring inside of it
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Old 11-11-2017, 02:23 AM   #13
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underneath the cover is the top plate and wave spring
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Old 11-11-2017, 02:24 AM   #14
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other side of the top plate
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Old 11-11-2017, 02:25 AM   #15
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with the cover and top plate out of the way you can see the rotor...vanes and outer rotor housing

notice the 2 diamonds on the outer housing.....important for later reassembly ....diamonds go up toward you
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Old 11-11-2017, 02:27 AM   #16
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outer housing removed

notice the alignment pin(s)

see the diamond on the rotor....up toward you for reassmbly

Last edited by sjsingle1; 11-11-2017 at 03:06 AM.
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Old 11-11-2017, 02:30 AM   #17
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shaft and rotor removed....showing both alignment pins

the black thing is the o ring in the body .... totally shot
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Old 11-11-2017, 02:31 AM   #18
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all the internals laid out
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Old 11-11-2017, 02:31 AM   #19
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outer cover...wave spring....top plate
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Old 11-11-2017, 02:32 AM   #20
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rotor and outer housing
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