The most complete guide to free oline auto repair manuals and free auto repair diagrams on the web...

1978-1979 Ford Bronco Repair Manual

Ford Bronco repair manualsThe second generation Ford Bronco was introduced in 1978 in a 3-door station wagon body style. Two trim levels were available: standard trim Custom and top trim Ranger XLT.
General information: Class: full-size SUV; Body style: 3-door station wagon; Layout: front engine, four-wheel drive; Wheelbase: 104.0 in (2,642 mm); Length: 180.3 in (4,580 mm); Width: 79.3 in (2,014 mm); Height: 75.5 in (1,918 mm).

1978-1979 Ford Bronco 3-door station wagon

1978-1979 Ford Bronco 3-door station wagon

5.8L Ford 351M V8 engine

5.8L Ford 351M V8 engine

6.6L Ford 400 V8 engine

6.6L Ford 400 V8 engine

3-speed C6 automatic transmission

3-speed C6 automatic transmission

4-speed Borg-Warner T-18 manual transmission

4-speed Borg-Warner T-18 manual transmission

4-speed New Process NP435 manual transmission

4-speed New Process NP435 manual transmission

Engines:
5.8L Ford 351M OHV V8 produced 156 hp (115 kW) and 262 lb·ft (355 N·m) [1977-1978], 158 hp (116 kW) and 262 lb·ft (355 N·m) [1979]
General information: Configuration: 90° OHV small-block V8, 4.380 in bore spacing; Displacement: 351 cu in (5,752 cc); Cylinder bore: 4.0 in (101.6 mm); Piston stroke: 3.5 in (88.9 mm); Cylinder block alloy: Cast iron; Cylinder head alloy: Cast iron ; Valvetrain: Overhead valve; Compression ratio: 8.0:1.
6.6L Ford 400 OHV V8 produced 158 hp (116 kW) and 277 lb·ft (376 N·m) [1977-1978], 156 hp (115 kW) and 277 lb·ft (376 N·m) [1979]
General information: Configuration: 90° OHV small-block V8, 4.380 in bore spacing; Displacement: 400 cu in (6,554 cc); Cylinder bore: 4.0 in (101.6 mm); Piston stroke: 4.0 in (101.6 mm); Cylinder block alloy: Cast iron; Cylinder head alloy: Cast iron ; Valvetrain: Overhead valve; Compression ratio: 8.0:1.
Repair operations: repair operations possible with the engine in the vehicle; intake manifold: removal and installation; exhaust manifold: removal and installation; valve covers: removal and installation; cylinder head: removal, inspection and installation; spark plug thread repair; timing chain wear: check; timing cover and timing chain: removal and installation; oil pump: removal, inspection and installation; oil pan: removal, inspection and installation; camshaft and lifters: removal, inspection and installation.
General engine overhaul procedures: engine overhaul: disassembly sequence, general information and reassembly sequence; engine rebuilding alternatives; engine removal: methods and precautions; camshaft and bearings: inspection; crankshaft: inspection, removal, installation and main bearing oil clearance check; cylinder compression check; cylinder head: cleaning, inspection, disassembly and reassembly; cylinder honing; engine: removal and installation; engine block: cleaning and inspection; initial start-up and break-in after overhaul; main and connecting rod bearings: inspection; oil pump: inspection; piston rings: installation; piston/connecting rod assembly: removal, inspection and installation; timing chain/sprockets or gears: wear checks; valve adjustment and servicing; valve lifters and pushrods: inspection.
Transmissions:
3-speed Ford C6 automatic transmission
Gear ratios (overall): I – 2.46:1; II – 1.46:1; III – 1.0:1; R – 2.18:1
Repair operations: manual shift linkage: inspection, removal, installation and adjustment; throttle valve mechanisms: removal, installation and adjustment; kickdown mechanisms: removal, installation and adjustment; vacuum modulator: check and replacement; band adjustment; automatic transmission: removal and installation; electronic shift transmission: general information; manual lever position sensor: adjustment; neutral start switch: adjustment.
4-speed Borg-Warner T18 manual transmission
Gear ratios (overall): I – 4.02:1; II – 2.41:1; III – 1.41:1; IV – 1.0:1; R – 4.73:1
4-speed New Process NP435 manual transmission
Gear ratios (overall): I – 6.69:1; II – 3.34:1; III – 1.79:1; IV – 1.0:1; R – 8.26:1
Repair operations: shift linkage adjustment; shift lever: removal and installation; transmission mounts: check and replacement; manual transmission: removal and installation; speedometer pinion gear and seal: replacement; extension housing oil seal: replacement.
Transfer case:
New Process NP205 transfer case
General information: Low-range ratio: 1.96:1; High-range: 1.0:1; Case Material: cast iron, one piece; Shift Type: manual; Shift pattern: 2WD-4HI-N-4LO; Identification: ID Tag mounted on transfer case above the front output shaft will list model, serial number, and ratio.
Repair operations: transfer case: removal and installation; transfer case: overhaul; front output shaft oil seal: removal and replacement; rear output shaft oil seal: removal and replacement; rear extension housing bushing: removal and replacement; manual shift lever assembly: removal and installation; electronic shift: removal and installation.
Other manuals: cooling, heating and air conditioning systems; fuel and exhaust systems; engine electrical systems; emissions and engine control systems; driveline; brakes; suspension and steering systems; body; chassis electrical system; wiring diagrams. All 1978-1979 Ford Bronco repair manuals are written specifically for the do-it-yourselfer.