T-18

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All information listed came from an original 1982 SERVICE SPECIFICATIONS MANUAL for CJ-5, CJ-7, Scrambler, Cherokee, Wagoneer and Truck.

Lubrication: Inspect and correct fill level every 5,000 miles. The fluid level fill plug is located on the right side of the transmission case. The correct fill level is to the edge of the fill plug hole.

CAUTION: Do not use any type of anit-friction additive or lubricants used in limited slip axles.

Transmission Specifications - Model T-18A:

Model: T18A

Type: Synchromesh

Speeds: 4 Forward, 1 Reverse

Gear Ratios:

First (Low): 6.32:1

Second: 3.09:1

Third: 1.69:1

Fourth: 1.00:1

Reverse: 7.44:1

End Play Tolerances: All end play controlled by selective thickness snap rings. Use thickest snap rings available.

Lubricant Capacity: 6.5 pints (3.07 liters)

Lubricant Type: SAE 85W-90 Gear Lubricant

Torque Specifications Model T-18A, listed using USA Foot Pounds / (Metric Newton Meters):

Back Up Lamp Switch: 18 / (24)

Drain Plug: 15 / (20)

Fill Plug: 15 / (20)

Front Bearing Cap Bolt: 15 / (20)

Shift Control Housing-to-Case Bolt: 12 / (16)

Transfer Case Drive Gear Locknut: 150 / (203)

Transfer Case-to-Transmission Case Bolt: 30 / (41)

TCS Switch: 18 / (24)

All torque values given in foot-pounds and (newton meters) with dry fits unless otherwise specified.