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Power Strokes
7.3 Tech
ZF6 -650 rebuild and other things I've done on my early 99 7.3 F350
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[QUOTE="Dave_Nevada, post: 1498720, member: 29749"] [b]Countershaft Bearing pain in the 6[/b] Okay folks, I have to warn you, this one bearing is a MEGA PAIN-IN-THE-ARSE to remove. Using a slide hammer puller is a joke. It simply will not budge, not even with heat. I ended up making a puller tool that lifts upward on the inside of the bearing race lip [B][I](roller pins removed from bearing race)[/I][/B] while a steel 3” ring was used to push against the case to apply (extracting) pressure. The tool was shaped similar to a slipper fit axle race puller (T shaped shaft, oval shoe). I made the ‘shoe’ .100” larger the the bearing diameter lip so I could insert it at an angle into the bearing cup. I welded a 3/4” threaded shaft with a nut to the shoe. I got the shoe cherry red hot with a torch and quenched it in brine to harden it. I used a piece of 1/2” thick steel bar with a hole drilled in it for the bridge. I fitted the 3/4” threaded rod and shoe into the bearing race, placed the 3” steel ring over the bearing race, mounted the steel bridge over the steel ring and installed a ¾ drive nut. I turned the nut until I had a firm mounting on the shoe and bearing race, then I began extracting the race, turning the nut clockwise until the race slowly came out. BTW- the push ring was a cutoff piece of steel tube from an old 9” Ford axle tube housing project. Worked perfect. That all seemed like a lot to get that blasted thing out of there, and let me assure you. IT WAS. In the future, if it were me, I’d get a tool that is more suited to pull this bearing. I was being a cheap ^(*^&*^%. Save yourself some time by simply buying the recommended GM tool for pulling. Ford is full of sh*t on their tool in this illustration. In other words- I could not get this race to budge using the hammer slide tool. You may have better luck than me. That sucker was really in there. I needed to force it out with vertical jack extraction. Look at the attachments for the tools or if you're feeling froggy like I was, you can make something like them to do the job. Specs on beariCountershaft bearing specs: SKF Sealing Solutions FC69178 Roller Bearing - 2.0250 in OD, 1.275 ID, 0.7210 in Width "Mi Item #: 04695001" "Mfr Description: FC69178 - CYLINDRICAL ROLLER BEARING/NEE" [url]https://www.motionindustries.com/productDetail.jsp?sku=04695001[/url] Bearing specs – Shoe size to fabricate OD WALL ID WALL FLANGE ID SHOE TOOL OD 2.0250 0.1070 1.9180 1.6280 1.7280 1.9180 1.7280 0.7210 -0.100 [/QUOTE]
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ZF6 -650 rebuild and other things I've done on my early 99 7.3 F350
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