Ford 9 Inch Torque Specs

Torque Recommendations

This assumes that the components are in good condition, and not fatigued. Fasteners that have been in service for a long time should be replaced.

Always follow other manufacturers’ suggestions when using their components.

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	Torque	Lubricant	Thread Locker
Main Caps	85 ft lbs	Anti-Seize®	None
Ring Gear Bolts	80 ft lbs	None	Red Loctite®
Pinion Nut:
Using Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut
Using Solid Spacer	200 ft lbs	None	Self Locking Nut
Cover Bolts	25 ft lbs	None	None
LPW Preload Studs	8-10 ft lbs	None	None

	Torque	Lubricant	Thread Locker
Case to Housing	35 ft lbs	None	Self Locking Nuts
Main Caps - Except Billet	80 ft lbs	Anti-Seize®	None
Main Caps - Billet Case:
5/16" Nuts	25 ft lbs	Anti-Seize®	None
9/16" Nuts	120 ft lbs	Anti-Seize®	None
Adjuster Nut Lock Tab Bolt	10 ft lbs	None	None
Ring Gear Bolts:
7/16" - Grade 8	70 ft lbs	None	Red Loctite®
1/2" - Grade 8	105 ft lbs	None	Red Loctite®
7/16" - ARP	85 ft lbs	None	Red Loctite®
1/2" - ARP	120 ft lbs	None	Red Loctite®
Pinion Support Bolts - Except Billet	35 ft lbs	None	None
Pinion Support Bolts - Billet	40 ft lbs	None	None
Pinion Support Bolts - HD Case	50 ft lbs	None	None
Pinion Nut:
Using Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut
Using Solid Spacer:
28 Spline Pinion	200 ft lbs	None	Self Locking Nut
35 Spline Pinion	250 ft lbs	None	Red Loctite®
Sight Plug	40 ft lbs	None	None
Tail Bearing Retaining Screws	Hand Tight	None	Blue Loctite®

	Torque	Lubricant	Thread Locker
Main Caps	60 ft lbs	Anti-Seize®	None
Ring Gear Bolts	55 ft lbs	None	Red Loctite®
Pinion Nut:
Using Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut
Cover Bolts	20 ft lbs	None	None
LPW Preload Studs	8-10 ft lbs	None	None

	Torque	Lubricant	Thread Locker
Main Caps	60 ft lbs	Anti-Seize®	None
Ring Gear Bolts	65 ft lbs	None	Red Loctite®
Using Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut
Cover Bolts	20 ft lbs	None	None
LPW Preload Studs	8-10 ft lbs	None	None

	Torque	Lubricant	Thread Locker
Main Caps:
OEM Housing	60 ft lbs	Anti-Seize®	None
Strange Housing	65 ft lbs	Anti-Seize®	None
Pinion Nut:
Using Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut
Using Solid Spacer	225 ft lbs	None	Self Locking Nut
Cover Bolts	25 ft lbs	None	None
LPW Preload Studs	8-10 ft lbs	None	None

	Torque	Lubricant	Thread Locker
Case to Housing	35 ft lbs	None	Self Locking Nuts
Main Caps	90 ft lbs	Anti-Seize®	None
Ring Gear Bolts	55 ft lbs	None	Red Loctite®
Pinion Nut:
742 Case	240 ft lbs	None	Self Locking Nut
789 Case - Uses Crush Collar	Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings	None	Self Locking Nut

	Torque	Lubricant	Thread Locker
3/8"	35 ft lbs	None	Self Locking Nuts
7/16"	40 ft lbs	None	None

	Torque	Lubricant	Thread Locker
3/8"	35 ft lbs	None	Blue Loctite®
1/2"	40 ft lbs	None	Blue Loctite®