Toyota Celica Fourth generation
|1985 to 1989|
|Production||Aug 1985 – Aug 1989|
|Assembly||Tahara, Aichi, Japan Toyota, Aichi, Japan (Tsutsumi plant)|
|Body and chassis|
|Body style||3-door liftback 2-door coupe 2-door convertible|
|Layout||Front engine, FWD / 4WD|
|Related||Toyota Carina Toyota Carina ED Toyota Corona Coupé|
|Engine||1.6 L I4 4A-GE 1.8 L I4 1S-iLU 1.8 L I4 4S-Fi 2.0 L I4 2S-ELC 2.0 L I4 2S-FE 2.0 L I4 3S-FE 2.0 L I4 3S-GE 2.0 L I4 3S-GTE turbo|
|Transmission||4-speed automatic 5-speed manual|
|Wheelbase||2,525 mm (99.4 in)|
|Length||4,410 mm (174 in) (coupe & convertible) 4,365 mm (171.9 in) (liftback)|
|Width||67.3 in (1,710 mm) 66.7 in (1,690 mm) (Japan)|
|Height||49.8 in (1,260 mm)|
In August 1985 the Celica was changed completely. It was an all-new vehicle with front wheel drive, a rounded, flowing body and new 2.0 L four-cylinder engines. The Celica was no longer built on the Toyota A platform, and instead realigned with the Toyota T platform underpinning the Toyota Corona. The Toyota A platform was now exclusive to the Toyota Supra. The coupe bodystyle in Japan was used only for the Corona Coupe, sold only at Japanese Toyota dealerships Toyopet Store without the retractable headlights. An optional feature only offered on the Corona Coupe was four-wheel steering, not shared with the Celica during this generation, however, the turbocharged engine on the Celica was not installed in the Corona Coupe.
Toyota introduced the "ultimate Celica", the GT-Four (ST165) onto the Japanese market in October 1986. With full-time all-wheel drive, including an electronically controlled central locking differential, and a turbocharged version of the GT-S 2.0 L engine producing 190 hp (142 kW) (3S-GTE), it immediately took its place as the flagship of the Celica range, and became the official Toyota rally car for all years of production. The GT-Four, with a revised viscous coupling central locking differential, began export in 1987 (1988 US model year) and marketed in North America as the All-trac Turbo. It was rated at 190 bhp (142 kW; 193 PS) and 190 lb·ft (258 N·m). The All-trac system was also offered for a limited time on the Camry, and Corolla in North America without the turbo, as well as the normally aspirated and supercharged Previa.
The ST165 chassis design was quite acclaimed in its time. Toyota chose not to make any drastic suspension changes for the AWD GT-Four. The front suspension comprises MacPherson struts with an anti-swaybar and strut tower brace, while the rear employs struts with a trailing link and twin lateral links per side plus an anti-swaybar.
The ST165 GT-Four made its World Rally debut in the 1988 Tour de Corse and finished 6th. The first victory came in 1988 Cyprus (non-WRC), and the first WRC victory in 1989 Rally Australia.
The Convertible or better known as Cabriolet was based on the 2.0 GT. The GT-S was badged 2.0 GT-i 16.
Summary of 4th Generation Models Chassis Code Body Style Engine Trim Level Market AT160 Coupe, Liftback 4A-F, 4A-GE 1.6 ST (4A-F), 1.6 GT (4A-GE) Japan, General ST160 Liftback 1S-iLU 1.8 ST, 1.8 SX Japan ST161 Coupe, Liftback 2S-ELC 2.0 ST, 2.0 GT (1986 model year only) North America ST162 Coupe, Liftback, Convertible 3S-FE, 3S-GE 2.0 ST & 2.0 GT (3S-FE), 2.0 GT-R (3S-GELU), 2.0 GT-i 16, 2.0 SX & 2.0 GT-S (3S-GE), 2.0 ZR (3S-FE) Japan (Liftback & Convertible), North America (all body styles), Europe (Liftback & Convertible), Australia & New Zealand (Liftback and Coupe) ST163 Liftback 4S-Fi 1.8 ST, 1.8 SX Japan (introduced May 1988) ST165 Liftback 3S-GTE GT-Four, Turbo All-Trac Japan, Europe, North America Chassis code Model Engine Power at rpm Nm at rpm kg 0–100 km/h Top Speed kW PS km/h mph AT160 1.6 ST 1587 cc 8V 4A-C (Carb) 64 87 5600 136 3600 1005 12.4 s 175 109 AT160 1.6 GT 1587 cc 16V 4A-GE 92 125 6600 142 5000 1060 8.9 s 205 127 ST162 2.0 GT 1998 cc 16V 3S-FE 92 125 5600 169 4400 1460 8.9 s 205 127 ST162 2.0 GT-S 1998 cc 16V 3S-GE 112 152 6400 180 4800 1130 8.6 s 210 130 ST165 2.0 GT-Four 1998 cc 16V 3S-GTE Turbo 142 193 6000 249 3200 1465 7.9 s 220 137
Toyota Celica 4th gen Service Guide (1985-1989)
20HC type 3S-GTE Turbo engine
BORE/STROKE (mm) -86 x 86
CAPACITY (cm') - 1,998
COMPRESSION RATIO - 8-5:1 (No. 1 at pulley)
FIRING ORDER - 1,3,4.2
OIL PRESSURE - 36-71 lb/in
FUEL SYSTEM - Toyota fuel injection, computer-controlled
SETTING - (Exhaust gas analysis, co: 0.5%)
VALVE CLEARANCE (Cold)
Inlet - 0.20 mm (0.008")
Exhaust - 0.25 mm (0.10")
VALVE-TIMING INDICATION - Timing wheels
BREAKER GAP - Electronic ignition
SPARK PLUGS - NGK BCPR5EP
PLUG GAP - 0.8mmmm
INDICATION - Pulley and pointer 10° btdc at idle.
IGNITION TIMING (STATIC) - join terminals T and El
TORQUE-WRENCH SETTINGS (LB-FT)
Cylinder head - (2 stages) 40 + 90°
Main bearing - 44
Big end - 49
Flywheel - (new bolts) 65 (used bolts) (69)
TOE-IN - 0+2 mm
CAMBER ANGLE - 0°10' neg. ± 45'
CASTOR ANGLE - 1°45' ± 45'
Engine sump - 3.7 lt (incl. filter)
Gearbox - 5-2 lt;
Differential rear - 1.1 lt
Coolant -7 It (Interclr 1.7 It)
BATTERY - 12v, neg. earth, 60 a-h
1.6 L I4 4A-GE
1.8 L I4 1S-iLU
1.8 L I4 4S-Fi
2.0 L I4 2S-ELC
2.0 L I4 2S-FE
2.0 L I4 3S-FE
2.0 L I4 3S-GE
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