pinion lockout bolt
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Cross-Country
Joined: Apr 2009
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pinion lockout bolt
does anyone know the part number or equivalent for the pinion lockout bolt for a 1988 F250 7.5L with 10.25 open diff (axle code 39)? I tried to call the local Ford dealer and they laughed at me. Dorman makes one but it says it's for the 8.8", I am not sure if they are the same or not. Thanks.
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Cross-Country
Joined: Apr 2009
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I'm sorry, the pinion shaft lock bolt, you have to remove it to get the pinion shaft out to remove the axles on the 10.25 rear end. Someone mentioned Randy's worldwide, so I called them and they gave me this, which seems to be it:
https://www.randysworldwide.com/shop/yspblt-059
Called "cross pin bolt" on their site. They want $18 shipping though, so I'll try to find it somewhere else I guess.
https://www.randysworldwide.com/shop/yspblt-059
Called "cross pin bolt" on their site. They want $18 shipping though, so I'll try to find it somewhere else I guess.
Logistics Pro
Joined: Mar 2011
Posts: 4,197
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From: Central Wisconsin
You do not have to remove that to get the axles out on a full float Sterling 10.25. What you've linked is the cross pin for the carrier. Do you have a light duty F250 with a semi-float axle in the rear?
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Cross-Country
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I believe it is a Ford 10.25" semi-floating axle. It is 3.55 ratio, axle code 39. This is my first dealing with these axles so I am by no means an expert, so I've been trying to educate myself on the procedure and parts needed. In my research it seems that the axles are held in my c-clips on these rear ends, is that right? As for it being the light-duty F250 I am not sure. It is single rear wheels and has 12x3" brakes, GVWR 8800 pounds.
Cargo Master
Joined: Mar 2010
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From: Laramie, WY
I believe it is a Ford 10.25" semi-floating axle. It is 3.55 ratio, axle code 39. This is my first dealing with these axles so I am by no means an expert, so I've been trying to educate myself on the procedure and parts needed. In my research it seems that the axles are held in my c-clips on these rear ends, is that right? As for it being the light-duty F250 I am not sure. It is single rear wheels and has 12x3" brakes, GVWR 8800 pounds.
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Cross-Country
Joined: Apr 2009
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Thank you for your help. It has the hubs with 8 bolts that stick through the wheels about 5", so I guess that is full floating? I thought the F250 was semi-floating, but there were so many rear end options and I just don't have the experience with them. So I guess I just unbolt those 8 bolts on the hub and the axle slides out, then I can change the seal? That sounds A LOT easier than what I had planned, needing to drain the rear-end, etc.
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Logistics Pro
Joined: Mar 2011
Posts: 4,197
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From: Central Wisconsin
Yes the 8 bolts and protruding hub are a clear indicator that it is a full float style hub. The axle should slide out with very little effort after removing the bolts.
Are you trying to replace the seal on the backside of the hub? If that's the case, work on one side at a time and keep that side of the axle elevated, that'll keep most of the gear oil in the axle. Although, if you don't know the last time the gear oil was changed, it might be a good time to do that anyhow.
Are you trying to replace the seal on the backside of the hub? If that's the case, work on one side at a time and keep that side of the axle elevated, that'll keep most of the gear oil in the axle. Although, if you don't know the last time the gear oil was changed, it might be a good time to do that anyhow.
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