The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 55.2-59 1958 Apache 3800 Hydrovac

**hogfarm** · 03-31-2024, 09:11 PM

I just went thru the Hydrovac experience. I have a 1982 Ford F700 dump truck. I had to replace the Hydrovac unit as well as the dash mounted master cylinder. My Daughter who is the manager at my local O'REILLY's was able to get me a rebuilt Hydrovac for about $200.00. I'm glad I went this way rather than changing to a different type of brake system, the brakes now work great. But bleed the system was a little tricky. There is an extra bleeder valve under the cab that needs to be bled first, then farthest wheel working your way to the nearest. I did use a pressure bleeder

03-31-2024, 09:11 PM	#18
hogfarm Senior Member Join Date: Jan 2016 Location: Appleton Washington Posts: 585	Re: 1958 Apache 3800 Hydrovac I just went thru the Hydrovac experience. I have a 1982 Ford F700 dump truck. I had to replace the Hydrovac unit as well as the dash mounted master cylinder. My Daughter who is the manager at my local O'REILLY's was able to get me a rebuilt Hydrovac for about $200.00. I'm glad I went this way rather than changing to a different type of brake system, the brakes now work great. But bleed the system was a little tricky. There is an extra bleeder valve under the cab that needs to be bled first, then farthest wheel working your way to the nearest. I did use a pressure bleeder