I have a 2000 F-350 Crew cab SD 4X4 with a 7.3 and I developed a vibration in the rear of the truck. I went to take the drive shaft out and and check the u joint. I can't find a wrench or socket to fit the bolts on the rear axle yoke. 5/16" is to big 9/32" is to small 8mm is to big and 7mm is to small. What the heck kind of stupid size did Ford use? Or do you have to go to Ford for a special tool. Any help would be appreciated.
The bolts at the Pinion are 8mm. You'll need a 6 point box end wrench to get them off. I tried a 12point 8mm box end and just rounded off the points on the wrench. Had to go to sears and got the only 6 point box end they had.
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