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Old 09-30-2022, 10:12 PM   #5
bandit0067
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Join Date: Aug 2017
Location: South of the Mason Dixon Line
Posts: 61
Re: Need ps gearbox seal number for a 69 GMC

Update on pittman arm seal replacement. Using the Edelman kit number 8766, my NAPA guy had his kit #7-360. Kit fits Saginaw model 800 and 605, mine was a 800. You do not need to remove the gearbox if only replacing pittman arm seals, there are two in there. After removing lock ring and first washer using two small screws method , the first one came out easy. Removed next washer and second seal was about an inch deep and using my shop stock I was having difficulty pulling second seal. I then wrapped a rag around shaft end and fired up the engine and it blew the second seal down enough for easy removal. It did not make as big a mess as I was expecting and will use that method agin in the future. Found right size emt electric pipe and drove seals back in. No leaks, and most all the dirty looking ps fluid got changed. Took about an hour and I will perform this again on some other leakers I have, go for it. Thanks for the info, much help all
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