1986 Ford F150 Manual Transmission Rebuild Kit

The 1986 Ford F150 manual transmission rebuild kit is designed for the 3-speed and 4-speed manual transmissions used in the 1986 Ford F150 pickup trucks. This comprehensive kit includes all necessary components to restore transmission performance, including synchronizers, bearings, seals, gaskets, and shift forks. Compatible with the Borg-Warner T18 and SROD transmissions commonly found in these vehicles. Below are key sections for compatibility, components, installation, specifications, and troubleshooting.

1. Kit Components 2. Compatibility 3. Tools Required 4. Installation Steps 5. Specifications 6. Torque Specifications 7. Lubrication Requirements 8. Common Issues 9. Maintenance Tips 10. Warranty Information 11. Troubleshooting

Kit Components

Complete rebuild kit includes all essential components for transmission overhaul.

Component	Description
Synchronizer Rings	1st-4th gear brass synchronizers
Bearings	Input shaft, output shaft, and countershaft bearings
Seals	Front and rear transmission seals
Gaskets	Complete gasket set for transmission case
Shift Forks	1st-2nd and 3rd-4th gear shift forks
Snap Rings	Assorted snap rings and retaining clips
Bushings	Shift lever and selector bushings
Sealant	RTV silicone for case mating surfaces

Compatibility

Designed specifically for 1986 Ford F150 with manual transmission.

Transmission Models: Borg-Warner T18 (4-speed), SROD (4-speed overdrive)
Engine Compatibility: 4.9L I6, 5.0L V8, 5.8L V8
Drive Type: 2WD and 4WD models
Gear Ratios: T18: 6.32:1 (1st), SROD: 3.25:1 (1st)

NOTE: Verify transmission model before purchase. Check VIN and transmission identification tags.

Tools Required

Professional tools needed for proper installation.

Transmission jack
Torque wrench (10-150 ft-lbs range)
Snap ring pliers (internal and external)
Bearing puller set
Slide hammer
Press for bearings
Seal driver set
Basic mechanic's tool set

WARNING! Use proper safety equipment including gloves and eye protection.

Installation Steps

Complete transmission rebuild procedure.

Remove transmission: Disconnect driveshaft, shift linkage, and clutch components.
Disassemble transmission: Remove case halves, inspect all components.
Clean components: Use solvent to clean all parts and case.
Replace components: Install new bearings, synchronizers, and seals.
Reassemble transmission: Follow factory service manual procedures.
Reinstall transmission: Align clutch, reconnect all linkages.
Test operation: Check shifting and verify no leaks.

CAUTION! Transmission weighs approximately 100 lbs; use proper lifting equipment.

Specifications

Transmission Type: Manual 3-speed/4-speed
Case Material: Cast iron
Input Shaft: 10 spline (T18), 26 spline (SROD)
Output Shaft: 31 spline
Bearing Type: Tapered roller bearings
Oil Capacity: 3.5 quarts (GL-4 gear oil)
Weight: 95-110 lbs (complete transmission)

Torque Specifications

Critical torque values for proper assembly.

Component	Torque Value
Case Bolts	25-30 ft-lbs
Bearing Retainers	15-20 ft-lbs
Extension Housing	25-30 ft-lbs
Shift Lever	18-22 ft-lbs
Drain/Fill Plugs	15-20 ft-lbs

IMPORTANT: Use thread locker on case bolts and follow torque sequence.

Lubrication Requirements

Proper lubrication is critical for transmission longevity.

Oil Type: GL-4 80W-90 gear oil (DO NOT use GL-5)
Capacity: 3.5 quarts (check when level on fill plug)
Change Interval: Every 30,000 miles or 2 years
Additives: No additional additives required

WARNING! GL-5 gear oil can damage brass synchronizers.

Common Issues

Typical problems addressed by rebuild kit.

Grinding during shifts (worn synchronizers)
Difficulty shifting (damaged shift forks)
Transmission leaks (worn seals)
Bearing noise (worn input/output bearings)
Jumping out of gear (worn detents or shift forks)

Maintenance Tips

Extend transmission life with proper maintenance.

Check fluid level every oil change
Listen for unusual noises during operation
Address leaks immediately
Use proper shifting technique (avoid forcing gears)
Allow transmission to warm up in cold weather

NOTE: Regular maintenance prevents premature wear.

Warranty Information

Limited warranty coverage for rebuild kit components.

Coverage Period: 1 year from date of purchase
Covered Components: All kit components against manufacturing defects
Exclusions: Damage from improper installation, misuse, or neglect
Claims: Contact manufacturer with proof of purchase

For warranty service: 1-800-555-REBUILD or www.fordrebuildkits.com

Troubleshooting

Symptom	Possible Cause	Corrective Action
Grinding in 2nd/3rd gear	Worn synchronizers	Replace 2nd/3rd gear synchronizer assembly
Hard shifting when cold	Wrong gear oil	Drain and refill with proper GL-4 80W-90
Transmission jumps out of gear	Worn shift forks or detents	Inspect and replace shift components
Leaking from front seal	Worn input shaft seal	Replace front transmission seal
Bearing noise in all gears	Worn input shaft bearing	Replace input shaft bearing and seal

Technical Support: 1-800-555-REBUILD

Online Resources: www.fordrebuildkits.com/support