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1984-1990 Ford Bronco II Repair Manual

Ford Bronco II repair manualsThe first generation Ford Bronco II was introduced in 1984 in a 3-door station wagon body style. Four trim levels were available: XL, XLT, Sport and Eddie Bauer. In 1989 Ford Bronco II was facelifted.
General information: Class: compact SUV; Body style: 3-door station wagon; Layout: front engine, rear-wheel drive or four-wheel drive; Wheelbase: 94.0 in (2,388 mm); Length: 158.3 in (4,021 mm) [1984-1988], 161.9 in (4,112 mm) [1989-1990]; Width: 68.0 in (1,727 mm); Height: 68.2 in (1,732 mm) [1984-1988], 69.9 in (1,775 mm) [1989-1990].

1984-1988 Ford Bronco II

1984-1988 Ford Bronco II

1989-1990 Ford Bronco II

1989-1990 Ford Bronco II

2.8L Cologne V6 engine

2.8L Cologne V6 engine

2.9L Cologne V6 engine

2.9L Cologne V6 engine

2.3L Mitsubishi 4D55T turbodiesel I4 engine

2.3L Mitsubishi 4D55T turbodiesel I4 engine

4-speed A4LD automatic transmission

4-speed A4LD automatic transmission

Engines:
2.8L Cologne V6 produced 115 hp (86 kW) at 4,600 rpm and 150 lb·ft (203 N·m) of torque at 2,600 rpm
General information: Configuration: V6; Displacement: 170 cu in (2,792 cc); Cylinder bore: 3.66 in (93.03 mm); Piston stroke: 2.70 in (68.50 mm); Compression ratio: 8.7:1; Fuel system: carbureted; Fuel type: gasoline.
2.9L Cologne V6 produced 140 hp (86 kW) at 4,600 rpm and 170 lb·ft (230 N·m) of torque at 2,600 rpm
General information: Configuration: V6; Displacement: 170 cu in (2,792 cc); Cylinder bore: 3.66 in (93.03 mm); Piston stroke: 2.84 in (72.00 mm); Compression ratio: 9.0:1; Fuel system: carbureted; Fuel type: gasoline.
2.3L Mitsubishi 4D55T turbodiesel I4 produced 86 hp (64 kW) at 4,200 rpm and 134 lb·ft (182 N·m) of torque at 2,000 rpm
General information: Configuration: I4; Displacement: 143 cu in (2,346 cc); Cylinder bore: 3.59 in (91.1 mm); Piston stroke: 3.54 in (90.0 mm); Aspiration: Turbocharged, wastegated; Injection: Indirect injection (IDI); Valvetrain: 2 valves per cylinder, single overhead camshaft (SOHC).
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; engine: removal and installation; engine block: cleaning and inspection; 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; crankshaft: inspection, removal and installation etc.
Transmissions:
3-speed Ford C5 overdrive automatic transmission with electronic shift solenoids
Gear ratios (overall): I – 2.46:1; II – 1.46:1; III – 1.0:1; R – 2.18:1
4-speed Ford A4LD overdrive automatic transmission
Gear ratios (overall): I – 2.47:1; II – 1.47:1; III – 1.00:1; IV – 0.75:1; R – 2.10:1
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 Mazda TK4 manual transmission
Gear ratios (overall): I – 3.96:1; II – 2.08:1; III – 1.39:1; IV – 1.0:1
5-speed Mazda M5OD-R1 manual transmission
Gear ratios (overall): I – 3.72:1; II – 2.20:1; III – 1.50:1; IV – 1.0:1; V – 0.79:1; R – 3.40:1
5-speed Mitsubishi FM145 manual transmission
Gear ratios (overall): I – 3.769:1; II – 2.21:1; III – 1.516:1; IV – 1.0:1; V – 0.812:1; R – 3.40:1
5-speed Mitsubishi FM146 manual transmission
Gear ratios (overall): I – 3.769:1; II – 2.21:1; III – 1.516:1; IV – 1.0:1; V – 0.812:1; R – 3.40:1
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:
Borg Warner BW1354 transfer case
General information: Low-range ratio: 2.48:1; Low-range: helical planetary design; Lube system: gerotor pump; Fluid type: ATF; Shift pattern: 2H-4H-N-4L; Shift control: electrical or mechanical, with 4W High shift-on-the fly.
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 1984-1990 Ford Bronco II repair manuals are written specifically for the do-it-yourselfer.