7.3L Powerstroke diesel – Rapid cold start reliability

Cold starts taking longer, requiring several glow plug cycles, and also first notice of an oil leak originating from the oil cooler in the mornings. In this video, am running Motorcraft 15W-40 synthetic oil (https://amzn.to/39hTMX8) along with factory glow plug relay and plugs, valve cover harnesses, and a remanufactured alternator. Batteries are Optima red topsContinue reading “7.3L Powerstroke diesel – Rapid cold start reliability”

Driveline resonance |OBS F350 7.3L Powerstroke SRW 4×4 rear driveshaft to pinion yoke ujoint repair

The truck developed a nasty driveline vibration at about 2000 RPM going down the freeway, causing the dashboard in particular to rattle and resonate. Stabbing the accelerator up to 2500 RPM, or simply lifting and coming off the pedal, would bring the truck out of resonance with an audible metallic clanking as the driveline unloads.Continue reading “Driveline resonance |OBS F350 7.3L Powerstroke SRW 4×4 rear driveshaft to pinion yoke ujoint repair”

Engine oil leak at cold start | OBS 7.3L Powerstroke oil cooler replacement

After a month of winter traveling at high elevation in Utah, truck developed a nasty oil leak at cold starts. Leak goes away after reaching operating temp, yet continues to weep oil after shutting down and cooling off. The 7.3L Powerstroke’s oil cooler is a tubular heat exchanger between engine oil and coolant along theContinue reading “Engine oil leak at cold start | OBS 7.3L Powerstroke oil cooler replacement”

Broken down on White Rim Trail | Buckled steering tie rod on Ford hp balljoint Dana 60 axle

Making good time on an anticlockwise loop of White Rim Trail, Canyonlands National Park, Utah. Then, on a trail squeeze section buckled a brand new tie rod on the Dana 60 with all new inverted-Y steering components. 15:00 broken down steering, truck is undriveable through switchbacks. With a buckled tierod, the wheels can be turnedContinue reading “Broken down on White Rim Trail | Buckled steering tie rod on Ford hp balljoint Dana 60 axle”

OBS F350 front leaf spring | Reverse Shackle Kit (RSK)

Installing Sky’s Off-road front RSK kit, while reusing factory front leaf springs. RSK for reverse shackle kit, moves the shackle from the original front hanger position, to the rear of the leaf spring. The kit includes a new crossmember that ties the frame to the new front spring hangers. It mounts uses existing frame holesContinue reading “OBS F350 front leaf spring | Reverse Shackle Kit (RSK)”