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05-22-2018, 11:07 PM | #1 |
Senior Member
Join Date: Nov 2015
Location: Seligman, MO
Posts: 620
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Need help with th400 pump rebuild
So far the th400 rebuild has been going well other than getting the clutches lined up when putting everything together. I am to the pump rebuild and have ran into a new issue. I cannot get the valve/sleeve/spring out despite removing the clip (the picture explains what I am trying to explain). I can push it all in, so it is not stuck, but when it gets to the c-clip indention it won't move.
Any ideas? |
05-22-2018, 11:58 PM | #2 |
Account Suspended
Join Date: Jun 2015
Location: No longer here
Posts: 1,000
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Re: Need help with th400 pump rebuild
Are you saying you can not get the valve out of the bore ?
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05-23-2018, 12:19 AM | #3 |
Senior Member
Join Date: Nov 2015
Location: Seligman, MO
Posts: 620
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Re: Need help with th400 pump rebuild
Correct. I cannot get it past the groove the clip sits in.
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05-23-2018, 12:38 AM | #4 |
Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,393
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Re: Need help with th400 pump rebuild
Push the plunger down with a phillps screw driver and take a small sharp knife and run it around the edge where the snap ring pushes against. Probably just a small lip that won't allow the piston to pass by. OR you can keep bouncing the piston till it clears itself.
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05-23-2018, 09:33 AM | #5 |
Senior Member
Join Date: Nov 2015
Location: Seligman, MO
Posts: 620
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Re: Need help with th400 pump rebuild
I will definately do that. I'm sure it is a simple fix but it sure had me perplexed.
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05-24-2018, 12:31 AM | #6 |
Senior Member
Join Date: Nov 2015
Location: Seligman, MO
Posts: 620
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Re: Need help with th400 pump rebuild
Got it! I removed the roll pin on other end and removed the cap there. Then used a long screwdriver and tapped the stuck part out. I will clean any/all burrs out before reinstallation.
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05-24-2018, 07:22 AM | #7 |
Account Suspended
Join Date: Jun 2015
Location: No longer here
Posts: 1,000
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Re: Need help with th400 pump rebuild
Make sure that roll pin doesnt fall out when you put the two halves together of the pump, glad you got it figured out....GOOD LUCK !!!!
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