What is the torque spec for the drive shaft flange to transfer case output shaft nuts on an early Bronco?

125-150 ft-lbs, per the Bronco Transmission and Transfer Case Torque Limits table.

What is the transfer case lubricant refill capacity for the Bronco?

Approximately 2.75 U.S. pints (2.25 Imperial pints); the transmission takes 3.50 U.S. pints (3.0 Imperial pints).

What is the correct end play for the Bronco transfer case output shafts?

Both the front and rear drive output shaft end play should be 0.003–0.005 inch.

What are the Bronco 3-speed transmission gear ratios?

With the 170-1V engine: 1st 3.41, 2nd 1.86, Reverse 3.51. With the 289-2V engine: 1st 2.99, 2nd 1.75, Reverse 3.17.

How tight should the transfer case adapter to transmission case bolts be?

35-45 ft-lbs, according to the torque limits table.

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Ford Bronco & Econoline Transmission/Transfer Case Torque Specs & Gear Ratios

Ford Econoline and Bronco C10 transmission specifications: gear ratios, lubricant capacity and torque limits

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Transmission spec page (Part 6-4) listing C10 gear ratios (170-1V/240-1V/302-2V), refill capacities and torque limits incl. input shaft retainer 30-36 ft-lb and flange-to-output-shaft 50-80 ft-lb.

AI caption March 2006 · Photo 73 of 206

This is page 6-26 of a Ford shop manual, titled 'PART 6-4— Specifications,' covering manual transmission and transfer case specifications for the Ford Econoline and Ford Bronco. For the Econoline, it lists 3-speed transmission gear ratios by engine (170-1V, 240-1V, 302-2V), transmission adjustments (detent set screw head flush to 0.020 inch below case surface; reverse idler and countershaft gear end play 0.004-0.018 inch), a 3.5-pint lubricant refill capacity, and eleven transmission torque limits ranging from 3-4.5 ft-lbs (speedometer cable retainer) to 60-80 ft-lbs (U-joint flange to output shaft). For the Bronco, it gives gear ratios for 170-1V and 289-2V engines, matching transmission adjustments, transfer case output shaft end play (0.003-0.005 inch front and rear), lubricant capacities in U.S. and Imperial measure (transmission 3.50/3.0 pints; transfer case 2.75/2.25 pints), and eight transmission/transfer case torque limits including drive shaft flange to transfer case output shaft nuts at 125-150 ft-lbs. A Special Tools table lists 14 Ford tool numbers (e.g., T50T-100-A impact hammer, T64E-7052-B extension housing oil seal replacer) with descriptions. Readers can use this page for rebuilding or adjusting the Bronco/Econoline 3-speed transmission and Bronco transfer case.

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Frequently asked questions

What is the torque spec for the drive shaft flange to transfer case output shaft nuts on an early Bronco?: 125-150 ft-lbs, per the Bronco Transmission and Transfer Case Torque Limits table.
What is the transfer case lubricant refill capacity for the Bronco?: Approximately 2.75 U.S. pints (2.25 Imperial pints); the transmission takes 3.50 U.S. pints (3.0 Imperial pints).
What is the correct end play for the Bronco transfer case output shafts?: Both the front and rear drive output shaft end play should be 0.003–0.005 inch.
What are the Bronco 3-speed transmission gear ratios?: With the 170-1V engine: 1st 3.41, 2nd 1.86, Reverse 3.51. With the 289-2V engine: 1st 2.99, 2nd 1.75, Reverse 3.17.
How tight should the transfer case adapter to transmission case bolts be?: 35-45 ft-lbs, according to the torque limits table.