RichW Posted September 10, 2012 Report Share Posted September 10, 2012 I need to replace the rear pinion oil seal in my 49 Plymouth but I'm having trouble removing the pinion nut. After removing the cotter pin I tried heating the nut and using a 1/2 inch breaker bar and after several attempts it still wouldn't come loose. Any suggestions? Quote Link to comment Share on other sites More sharing options...
Young Ed Posted September 10, 2012 Report Share Posted September 10, 2012 You need an impact wrench. They will typically buzz right off with one. Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted September 10, 2012 Report Share Posted September 10, 2012 A 1/2" impact gun with at least 100lbs of air will take it right off if you don't have the correct yoke holding tool to use with your breaker bar. Some say the impact gun can damage the gears...I don't think you need to worry about it though. Prick punch mark the nut, yoke and pinion so you can put all back just like it was. Tighten the nut just a tiny bit more than the prick mark-to next cotter pin slot/hole. Quote Link to comment Share on other sites More sharing options...
RichW Posted September 11, 2012 Author Report Share Posted September 11, 2012 Thanks Ed. I'll give it a try. Quote Link to comment Share on other sites More sharing options...
RichW Posted September 11, 2012 Author Report Share Posted September 11, 2012 Thanks Dodge. I'll try it tomorrow. Quote Link to comment Share on other sites More sharing options...
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