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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Feb 2004 Posts: 13 New Guy | | New Guy Joined: Feb 2004 Posts: 13 | My owners manual says to use shock absorber oil to lube the leather seal in my hydro-vac unit.
Some of the local brake guys say to use a tablespoon of Neatsfoot oil. The book says to fill to the plug level on the back of the unit.
Any recommendations?
Thanks
Stevo | | | | | Joined: May 2002 Posts: 155 Shop Shark | | Shop Shark Joined: May 2002 Posts: 155 | I'd go with the local brake rebuilder's suggestion..
You can always add more oiol if needed..
Geoff. (Stick)
49 Chev 4400
51 GMC 350 dump
Geoff
68 GMC 3800
56 JD420C w/JD90 Loader
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