1997 F-250/350/Super Duty

Lubricant/Adhesive/Cleaner Specifications
Description	Part Number	Ford Specification
Pipe Sealant with Teflon®	D8AZ-19554-A	WSK-M2G350-A2
Premium Long-Life Grease	XG-1-C or -K	ESA-M1C75-B
Premium Rear Axle Lubricant	XY-80W90-QL or -KL	WSP-M2C197-A
High Performance Synthetic 75W-140 Rear Axle Lubricant	F1TZ-19580-B	WSL-M2C192-A
Silicone Rubber	F4AZ-19562-B	WSE-M4G323-A1
Ford Friction Modifier	C8AZ-19B546-A	EST-M2C118-A
4x4 Gear Oil	F1TZ-19580-A	WSL-M2C191-A

Front And Rear Axle Lubricant Specifications And Capacities
Axle Model	Vehicle	Approximate Capacity
Liters	U.S. Pints	Imperial Pints
Ford Axle — 10.25-Inch Ring Gear^a	F-250, F-350 (4x2 and 4x4) — Dual Rear Wheels	3.5	7.4	6.1
Ford Axle — 10.25-Inch Ring Gear^a	F-250, F-350 (4x4)	3.5	7.4	6.1
Dana 50 IFS — Front^b	F-250 (4x4) HD	1.8	3.8	3.2
Dana 60 — Front^c	F-350 (4x4)	2.8	5.9	4.9
Dana 80 — Rear^c	F-Super Duty Chassis Cab and Motorhome Chassis	3.9	8.25	6.8

^a Use Premium Rear Axle Lubricant XY-80W90-QL or -KL or equivalent meeting Ford specification WSP-M2C197-A. Add 8 oz of Ford Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A to Ford 10.25-inch ring gear limited slip axles. Service refill capacities are determined by filling the rear axle to the bottom of the filler hole.
^b Use 4x4 Gear Oil F1TZ-19580-A or equivalent meeting Ford specification WSL-M2C191-A.
^c Use Premium Rear Axle Lubricant XY-80W90-QL or -KL or equivalent meeting Ford specification WSP-M2C197-A. Add 8 U.S. ounces of Ford Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A.

Dana 50 Axle Adjustments
Description	Specification
Drive Pinion Preload	2.25-3.4 Nm (20-30 Lb-In)
Ring Gear Backlash	0.13-0.23 mm (0.005-0.009 Inch). No More than 0.08 mm (0.003 Inch) Variation in Any Three Places
Differential Gear — Torque-to-Turn	Less than 3.4 Nm — (30 Lb-In)

Dana 60 Axle Adjustments
Description	Specification
Description	mm	Inch
Backlash Between Ring Gear and Pinion	0.13-0.23	0.005-0.009
Backlash Maximum Variation Between Teeth	0.05	0.002
Pinion Bearing Preload (with New Bearings)	2.25-4.52 Nm	20-40 Lb-In

Rear Driveline Angles, F-250 Heavy Duty 4x2 (Curb Load)
Model	Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Model	Wheel Base	Engine (L)	Transmission	Rear Spring	Axle Ratio	GVW Capacity
REG. CAB	3378	4.9/5.0	M5OD	F4TA-KB	3.55 4.10	5300
REG. CAB	3378	4.9/5.0	M5OD	F4TA-KB	3.55 4.10	5300
REG. CAB	3378	4.9	M5HD^a	F4TA-KB	3.55 4.10	5300
REG. CAB	3378	4.9/5.8	E4OD	F4TA-KB	3.55 4.10	5300
REG. CAB	3378	5.0	4R70W	F4TA-KB	3.55 4.10	5300
HD REG. CAB	3378	4.9/5.8/ 7.5	M5HD^a	F3TA-TA	3.55 4.10	6250
HD REG. CAB	3378	7.3	M5HD^b	F3TA-TA	3.55 4.10	6250
HD REG. CAB	3378	5.0/7.3/ 7.5	E4OD	F3TA-TA	3.55 4.10	6250
HD REG. CAB	3378	5.8/7.5	M5HD^a	E4TA-SA	3.55 4.10	6250
HD REG. CAB	3378	7.3	M5HD^b	E4TA-SA	3.55 4.10	6250
SUPER CAB	3937	5.8/7.3/ 7.5	E4OD	F3TA-TA	3.55 4.10	6250
SUPER CAB	3937	5.8/7.5	M5HD^a	F3TA-TA	3.55 4.10	6250
SUPER CAB	3937	7.3	M5HD^b	F3TA-TA	3.55 4.10	6250
SUPER CAB	3937	5.8/7.5	M5HD^a	E4TA-SA	3.55 4.10	6250
SUPER CAB	3937	7.3	M5HD^b	E4TA-SA	3.55 4.10	6250

^a Wide ratio/close ratio.
^b Close ratio.

Model	Blocked Ride Height (mm)	Engine Angle (Deg.)	Coupling Shaft Angle (Deg.)	Rear Drive- shaft Angle (Deg.)	Pinion Angle (Deg.)
REG. CAB	190.64	5.5	—	7.0	7.2
REG. CAB	190.64	5.5	5.3	8.3	7.2
REG. CAB	190.64	5.5	5.4	8.3	7.2
REG. CAB	190.64	5.5	—	7.1	7.2
REG. CAB	190.64	5.5	—	7.0	7.2
HD REG. CAB	199.07	5.5	5.4	10.0	6.3
HD REG. CAB	199.07	5.5	—	8.1	6.3
HD REG. CAB	199.07	5.5	—	8.1	6.3
HD REG. CAB	173.35	5.5	5.4	9.5	5.9
HD REG. CAB	173.35	5.5	5.4	9.5	5.9
SUPER CAB	199.07	5.5	4.4	8.2	6.3
SUPER CAB	199.07	5.5	4.6	8.0	6.3
SUPER CAB	199.07	5.5	4.7	8.0	6.3
SUPER CAB	173.35	5.5	4.6	7.7	5.9
SUPER CAB	173.35	5.5	4.7	7.7	5.9

Rear Driveline Angles, F-250 Heavy Duty 4x4 (Curb Load)
Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Wheel Base	Engine (L)	Transmission	Rear Spring	Axle Ratio	GVW Capacity
3937	5.8/7.3/7.5	E4OD	F2TA-VB	3.55/4.10^a	6250
3937	5.8	M5HD^b	F2TA-VB	3.55/4.10^a	6250
3937	7.3/7.5	M5HD^c	F2TA-VB	3.55/4.10^a	6250
3378	5.8/7.5	M5HD^b	E3TA-TA	3.55/4.10^a	6250
3378	7.3/7.5	E4OD	E3TA-TA	3.55/4.10^a	6250
3378	7.3	M5HD^b	F3TA-TA	3.55/4.10^a	6250

^a 7.3L Diesel — 4.10 only.
^b Wide ratio/close ratio.
^c Close ratio.

Wheel Base	Blocked Ride Height (mm)	Engine Angle (Deg.)	Coupling Shaft Angle (Deg.)	Rear Drive- shaft Angle (Deg.)	Pinion Angle (Deg.)
3937	229.7	5.5	7.9	9.2	7.0
3937	229.7	5.5	7.7	9.2	7.0
3937	229.7	5.5	7.5	9.4	6.7
3938	213.4	5.5	—	11.4	6.7
3938	213.4	5.5	—	11.8	6.7
3938	213.4	5.5	—	11.2	6.7

Rear Driveline Angles, F-350 4x4 (Curb Load)
Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Wheel Base	Engine (L)	Transmission	Rear Spring	Axle Ratio	GVW Capacity
3378	5.8/7.3/7.5	E4OD	F3TA-TA	3.55/4.10	6250
3378	5.8/7.5	M5HD^a	F3TA-TA	3.55/4.10	6250
3378	7.3	M5HD^b	F3TA-TA	3.55/4.10	6250

^a Wide ratio/close ratio.
^b Close ratio.

Wheel Base	Blocked Ride Height (mm)	Engine Angle (Deg.)	Coupling Shaft Angle (Deg.)	Rear Drive- shaft Angle (Deg.)	Pinion Angle (Deg.)
3378	183.92	5.5	—	11.2	5.9
3378	183.92	5.5	—	10.9	5.9
3378	183.92	5.5	—	10.7	5.9

Rear Driveline Angles, F-350 4x2
Model	Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Model	Wheel Base	Engine (L)	Transmission	Rear Spring	Axle Ratio	GVW Capacity
REG. CAB	3378	5.8/7.3/ 7.5	E4OD	E4TA-SA	4.10	7400
REG. CAB	3378	5.8/7.5	M5HD^a	E4TA-SA	4.10	7400
REG. CAB	3378	7.3	M5HD^b	E4TA-SA	4.10	7400
CREW CAB	4278	5.8/7.3/ 7.5	E4OD	F3TA-TA	4.10	6250
CREW CAB	4278	5.8/7.3/ 7.5	M5HD	F3TA-TA	4.10	6250
CHAS. CAB	3475	5.8/ 7.3/7.5	M5HD^a	F4TA-HA	4.10	8250
CHAS. CAB	3475	5.8/7.3/ 7.5	E4OD	F4TA-HA	4.10	8250
CHAS. CAB	3475	7.3	M5HD^b	F4TA-HA	4.10	8250
CHAS. CAB	4085	7.3/7.5	M5HD^a	F4TA-HA	4.10	8250
CHAS. CAB	4085	5.8/7.3/ 7/5	E4OD	F4TA-HA	4.10	8250
CHAS. CAB	4085	7.3	M5HD^b	F4TA-HA	4.10	8250
SUPER CAB	3937	7.3/7.5	E4OD	F3TA-TA	4.10	7400
SUPER CAB	3937	7.3	M5HD^b	F3TA-TA	4.10	7400
SUPER CAB	3937	7.3/7.5	M5HD^a	F3TA-TA	4.10	7400

^a Wide ratio.
^b Close ratio.

Model	Blocked Ride Height (mm)	Engine Angle (Deg.)	Coupling Shaft Angle (Deg.)	Rear Drive- shaft Angle (Deg.)	Pinion Angle (Deg.)
REG. CAB	173.35	5.5	—	8.0	5.9
REG. CAB	173.35	5.5	5.4	9.3	5.9
REG. CAB	173.35	5.5	5.4	9.3	5.9
CREW CAB	199.07	5.5	4.4	6.1	6.3
CREW CAB	199.07	5.5	4.6	6.0	6.3
CREW CAB	156.74	5.5	5.3	7.3	4.6
CHAS. CAB	156.74	5.2	5.2	7.4	4.6
CHAS. CAB	156.74	5.5	5.4	7.3	4.6
CHAS. CAB	156.74	5.5	4.4	5.7	4.6
CHAS. CAB	156.74	5.5	4.0	5.8	4.6
CHAS. CAB	156.74	5.5	4.4	5.7	4.6
SUPER CAB	199.07	5.5	4.4	8.2	6.3
SUPER CAB	199.07	5.5	4.7	8.1	6.3
SUPER CAB	199.07	5.5	4.8	8.1	6.3

Rear Driveline Angles, F-Super Duty (Curb Load)
Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Wheel Base	Engine (L)	Transmission	Rear Spring	Axle Ratio	GVW Capacity
3475	7.3	M5HD	F4TA-HA	4.10 4.63 5.13	11000
3475	7.3/7.5	E4OD	F4TA-HA	4.10 4.63 5.13	11000
4085	7.3	M5HD	F4TA-HA	4.10 4.63 5.13	11000
4085	7.3/7.5	E4OD	F4TA-HA	4.10 4.63 5.13	11000
3475	7.5	M5HD^a	F4TA-HA	4.10 4.63 5.13	11000
4085	7.5	M5HD^b	F4TA-HA	4.10 4.63 5.13	11000

^a Close ratio.
^b Wide ratio/close ratio.

Wheel Base	Blocked Ride Height (mm)	Engine Angle (Deg.)	Coupling Shaft Angle (Deg.)	Rear Drive- shaft Angle (Deg.)	Pinion Angle (Deg.)
3475	156.74	5.5	—	—	4.6
3475	156.74	5.5	—	—	4.6
4085	156.74	5.5	—	—	4.6
4085	156.74	5.5	4.0	5.6	4.6
3475	156.74	5.5	5.3	7.3	4.6
4085	156.74	5.5	4.4	5.4	4.6

Rear Driveline Angles, F-Super Duty Motorhome Chassis
Wheel Base	Engine (L)	Transmission	Rear Spring	Rear Axle
Wheel Base	Engine (L)	Transmission	Rear Spring	Ring Gear	GVW Capacity
178	7.5	E4OD	E9TD-AE	11.25	11000
190	7.5	E4OD	E9TD-AE	11.25	11000
208	7.5	E4OD	E9TD-AE	11.25	11000
228	7.5	E4OD	E9TD-AE	11.25	11000

Wheel Base	Blocked Ride Height (mm)	Engine Angle Degree	1st Coupling Shaft Angle (Deg.)	2nd Coupling Shaft Angle (Deg.)	Rear Driveshaft Angle (Deg.)	Pinion Angle (Deg.)
178	171	5.5	4.4	N/A	5.7	3.4
190	171	5.5	4.4	N/A	4.6	3.4
208	171	5.5	4.1	3.0	4.8	3.4
228	171	5.5	3.7	2.3	4.3	3.4

Front Driveshaft, F-250 Heavy Duty And Duty And F-350 4x4 (Curb Load)
Model	Wheelbase	Engine (L)	Transmission	Front Axle		Engine Angle (Degrees)	Front Driveshaft Angle (Degrees)	Pinion Angle (Degrees)
Model	Wheelbase	Engine (L)	Transmission	Type	GVW Capacity	Engine Angle (Degrees)	Front Driveshaft Angle (Degrees)	Pinion Angle (Degrees)
F-250 Heavy Duty	All	All	E4OD S5-47ZF	Twin I-Beam w/Leaf Spring	4600 Lb	5.5 5.5 5.5 5.5 5.5	2.79 2.77 2.69 2.54 2.06 2.45	6.73 6.73 6.73 6.73 6.73
F-350	All	All	All	Mono-Beam	5000 Lb	5.5	2.50	4.50

Drive Pinion Bearing Preload
Description	Nm	Lb-In
Pinion Bearing Preload — 10.25-Inch Axle
Used Bearings^a	0.9-1.5	8-14
New Bearings^a	1.8-3.3	16-29
Pinion Bearing Preload — Dana (Front Model 50)	2.25-3.40	20-30
Pinion Bearing Preload — Dana (Front Model 60 and Rear Axles)
New Bearings	2.25-4.52	20-40
Total (Pinion Plus Differential) Preload (Model 80)	^b	^b

^a With pinion seal installed.
^b Add 0.5-1 Nm (6-9 lb-in), depending on ratio, to pinion preload.

Ring Gear Backlash
Description	mm	Inches
Backlash Between Ring Gear and Pinion Teeth
10.25-Inch Axle^a	0.20-0.38	0.008-0.015
Dana Rear Axle (Model 80)	0.13-0.20	0.005-0.008
Dana Front Axles (All)	0.13-0.23	0.005-0.009
Backlash Maximum Variation Between Checkpoints
10.25-Inch Axle	0.101	0.004
Dana Rear Axle (Model 80)	0.05	0.002
Dana Front Axles (Model 50)	0.08	0.003
Dana Front Axle (Model 60 Monobeam)	0.05	0.002

^a 0.30-0.38 mm (0.012-0.015-inch) preferred.

Ring Gear Runout
Description	mm	Inches
Maximum Runout of Back Face of Ring Gear
— All	0.101	0.004

Torque Specifications — Driveshaft
Description	Bolt Size	Torque Limits
Description	Bolt Size	Nm	Lb-Ft
Bolt Yoke to Coupling Shaft	5/8-18 3/4-16 7/8-14 1-2	201-222^a 238-325 339-406 216	148-164^a 175-240 250-300 160
Nut — Rear Axle Shaft Universal Joint Kit — U-Bolt	5/16-18 3/8-16 7/16-20	11-20 24-35 41-54	8-15 18-26 30-40
Coupling Shaft Driveshaft Center Bearing Bracket-to-Driveshaft Center Bearing Support	7/16-14	51-73	38-54
Bolt — Driveshaft to Rear Axle Universal Joint Flange	1/2-20	123-149	91-110
Bolt and Nut — Rear Axle Shaft Universal Joint	1/2-20	82-94	61-70
Double Cardan Driveshaft and Coupling Shaft-to-Transfer Case Bolts	5/16-24	27-33	21-24
Driveshaft and Coupling Shaft-to-Front and Rear Axle U-Bolt Nuts	5/16-18	11-20	8-15

^a Dana axle.

Torque Specifications — Dana Axle
Description	Axle Model
	50		60		80
	Nm	Lb-Ft	Nm	Lb-Ft	Nm	Lb-Ft
Pinion Shaft Nut	244-271	180-200	339-366	250-270	596-677	440-500
Differential Bearing Cap Bolts	109-122	80-90	109-122	80-90	109-122	80-90
Ring Gear Retaining Bolts, Grade 8	—	—	136-163	100-120	—	—
Ring Gear Retaining Bolts, Grade 9	129-142	95-105	169-183	125-135	272-325	200-240
Oil Filler Plug — 1/4-Inch Recess Drive	20-33	15-24	20-33	15-24	20-33	15-24
U-Joint Bolts	11-20	8-15	21-27	15-20	—	—
Cover to Housing Bolts	41-54	30-40	41-54	30-40	41-54	30-40

Torque Specifications — Ford Ring Gear
And Pinion BOLTS
Description	Nm	Lb-Ft
10.25-Inch	136-163	100-120

Wheel Base	Blocked Ride Height (mm)	Engine Angle Degree	1st Coupling Shaft Angle (Deg.)	2nd Coupling Shaft Angle (Deg.)	Rear Driveshaft Angle (Deg.)	Pinion Angle (Deg.)
178	171	5.5	4.4	N/A	5.7	3.4
190	171	5.5	4.4	N/A	4.6	3.4
208	171	5.5	4.1	3.0	4.8	3.4
228	171	5.5	3.7	2.3	4.3	3.4

Wheel Base	Blocked Ride Height (mm)	Engine Angle Degree	1st Coupling Shaft Angle (Deg.)	2nd Coupling Shaft Angle (Deg.)	Rear Driveshaft Angle (Deg.)	Pinion Angle (Deg.)
178	171	5.5	4.4	N/A	5.7	3.4
190	171	5.5	4.4	N/A	4.6	3.4
208	171	5.5	4.1	3.0	4.8	3.4
228	171	5.5	3.7	2.3	4.3	3.4

SPECIFICATIONS

Wheel Base	Blocked Ride Height (mm)	Engine Angle Degree	1st Coupling Shaft Angle (Deg.)	2nd Coupling Shaft Angle (Deg.)	Rear Driveshaft Angle (Deg.)	Pinion Angle (Deg.)
178	171	5.5	4.4	N/A	5.7	3.4
190	171	5.5	4.4	N/A	4.6	3.4
208	171	5.5	4.1	3.0	4.8	3.4
228	171	5.5	3.7	2.3	4.3	3.4