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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jun 2006 Posts: 3 Junior Member | | Junior Member Joined: Jun 2006 Posts: 3 | Howdy, I have a 48 1.5 ton with hydrovac of course. It all works good except the master cylinder is pitted and won't hold fluid even with a hone and rebuild kit. Fluid leaks right out the front. After about 2-3 weeks it's out. It is 1.25 inch bore, .25 inch line, about 2 7/8 inch bolt spacing for mounting. Will the cylinder for the 1 ton truck fit? What master cylinder do I need and where would I get it? I have been adding fluid to my cylinder for 12-15 years and bleeding the brakes every time I want to use the truck. It's time. | | | | | Joined: Jun 2006 Posts: 3 Junior Member | | Junior Member Joined: Jun 2006 Posts: 3 | I solved my own problem by looking at other trucks I have and calling a vendor. I think I may have crossed the line when I asked where I could get one. Is that for the swap forum? You know these trucks are so simple to work on, unless you need something for one, what's left to talk about? | | | | | Joined: Feb 2006 Posts: 8 New Guy | | New Guy Joined: Feb 2006 Posts: 8 | So what did you end up using? did you use a new/rebuilt original or did you go with a late model dual reservoir? | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Napa part # 9220. Fits 3/4 ton to 2 ton.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Jun 2006 Posts: 3 Junior Member | | Junior Member Joined: Jun 2006 Posts: 3 | I used a new one (they said it's new) from obsolete chevy in GA. It strangely enough is the same part number as that napa job you mentioned. 9220. 1 1/4 bore 1/4 inch line. They're all the same up to the 2 ton I guess hydrovac or no hydrovac. Now I won't have to bleed over to the hydrovac when I need to use the truck. | | |
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