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Instruction Manual 

P/N: 46-70022 

Ford 10.25/10.50 

– 12 Bolt Rear Differential Cover 

Make: 

Ford 

Model: 

F-250/F-350 

Year: 

1988-2021 

Engine: 

V8 7.3L/6.0L/6.4L/6.7L (td) 

Make: 

Ford 

Model: 

F-250/F-350 

Year: 

1997-2010 

Engine: 

V8 5.8L/7.5L/5.4L 

Make: 

Ford 

Model: 

F-250/F-350 

Year: 

1999-2010 

Engine: 

V10 6.8L 

Make: 

Ford 

Model: 

F-250/F-350 

Year: 

2010-2021 

Engine: 

V8 6.2L/7.3L 

Make: 

Ford 

Model: 

Excursion   

 

Year: 

2000-2003 

Engine: 

V8 7.3L (td) 

Make: 

Ford 

Model: 

Excursion   

 

Year: 

2004-2005 

Engine: 

V8 6.0L (td) 

Summary of Contents for 46-70022

Page 1: ... V8 7 3L 6 0L 6 4L 6 7L td Make Ford Model F 250 F 350 Year 1997 2010 Engine V8 5 8L 7 5L 5 4L Make Ford Model F 250 F 350 Year 1999 2010 Engine V10 6 8L Make Ford Model F 250 F 350 Year 2010 2021 Engine V8 6 2L 7 3L Make Ford Model Excursion Year 2000 2003 Engine V8 7 3L td Make Ford Model Excursion Year 2004 2005 Engine V8 6 0L td ...

Page 2: ...Retain factory parts for future use Label Qty Description Part Number A 1 Differential Cover Black Machined Fins 05 60711B B 1 Plug Magnetic 3 4 NPT 6 Deep Reach 03 50223 C 1 O Ring 11 984 ID x 0 139 W 05 60057 D 1 Plug 1 NPT Sight Glass 03 50224 E 1 Plug Magnetic M12 x 1 25 03 50385 F 1 Crush Washer 03 50384 G 2 Plug 1 8 NPT 03 50029 H 12 Screw Socket Head 5 16 18 x 1 0 03 50227 I 12 Flat Washer ...

Page 3: ...vent the vehicle from rolling Note You will need to get under the truck to do this installation Please use every precaution when lifting the vehicle 2 Position a drain pan under the differential cover 3 Remove the bottom 11 bolts from the differential cover 4 Loosen but do not remove the remaining top bolt Break the seal on the cover and the gear oil will begin to drain ...

Page 4: ...ing 7 Use a clean lint free rag to wipe down the remaining gear oil from the housing 8 Clean off the sealing surface with a gasket scraper Be careful not to gouge the surface while cleaning 9 Check the surface of the housing for any irregularities If there are any carefully remove high spots using a smooth flat file Note Do not Round Off the flat gasket surface ...

Page 5: ...4 10 Lightly coat the supplied O Ring with oil and install onto the provided aFe differential cover ...

Page 6: ...ntinue installing the 11 remaining 5 16 18 x 1 0 socket head screws and flat washers finger tight 13 Torque all of the mounting screws to 12 16 ft lbs in a crisscross pattern Note For all NPT plugs secure 1 5 3 turns past finger tight The fitting should never bottom out in the port 14 Apply Teflon tape pipe sealant to the threads and install the supplied 1 NPT Sight Glass plug into the side of the...

Page 7: ...6 15 Install the supplied M12 x 1 25 drain plug and crush washer into the bottom of the cover secure about turn past finger tight ...

Page 8: ... out of the 1 8 NPT port on the side of the cover about 5 quarts Note If your vehicle is lifted and your axle has been rotated you will have to verify you have the correct oil level for your vehicle 18 Apply Teflon tape pipe sealant and install one of the supplied 1 8 NPT plugs into the side of the cover ...

Page 9: ...ll the supplied 3 4 NPT 6 Deep Reach plug into the top of the cover Note If using a temperature sensor install it instead of the 1 8 NPT plug 20 Apply Teflon tape pipe sealant and install the second supplied 1 8 NPT plug into the top of the cover ...

Page 10: ...9 21 Your installation is complete ...

Page 11: ...10 This Page Was Left Intentionally Blank ...

Page 12: ...11 252 Granite Street Corona CA 92879 afepower com contact 4 14 2022 DMR ...

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