Fixing the WORST Hydraulic Leak on a John Deere 450G Dozer

Video Description

Back in the land of bulldozers — today we’re tearing into a John Deere 450G to fix a few nasty hydraulic leaks. From a blown tilt cylinder to a leaking valve stack, this repair applies to just about any make or model dozer out there. We’ll walk through disassembly, seal replacement, valve body rebuilds, and a few hard-earned shop tricks to make these jobs easier (and cleaner). If you’ve ever had a dozer that marks its territory with hydraulic oil — this one’s for you. We wear Brunt Workwear every day in the shop and on the job. Use code CCE10 at checkout to save 10%: 👉 bruntworkwear.com/CCE10 0:00 Back in the Land of Bulldozers 0:14 Leaking Cylinder & Valve Stack Diagnosis 1:00 Pulling the Tilt Cylinder 3:10 Cylinder Tear-Down and Seal Inspection 4:40 Cleaning and Re-Sealing the Cylinder 6:30 Reassembly and Shop Banter 10:00 Valve Body Leak Discovered 15:00 Removing and Cleaning the Valve Stack 18:00 Rebuilding the Valve Body and Replacing O-Rings 23:00 Reassembly and Torque Specs 26:00 Installing the Valve Stack Back on the Dozer 28:00 Leak Check and Test Run 31:00 Wrap-Up and Next Project Tease (850J)