Changes in the design of the car from 1984 to 1986 Ford Sierra Ghia model 1985 Ford Sierra Coupe 1986 Ford Sierra model with Berlin body, equipped with rear spoiler Models 1984 In March 1984, the 1.6 dm³ LCS (1.6 NS ONS...
Main engine parameters New ONS engines The 1.6 dm³ LSD engine (1.6 НС ОНС Economy), launched in March 1984, is structurally similar to the 2.0 dm³ NET engine. It has reduced cylinder...
Cylinder Head — Specifications Arrangement of cylinder head cover seals and reinforcement plates with a gasket contact surface width of 5.5 mm A, B – reinforced plate, C – seal Arrangement of cylinder...
Crankshaft — Specifications Sealing rings All engines systematically used sealing rings of a new type with an additional edge, protecting against dust getting into the seal itself. At the same...
Valve timing system — specifications Valve timing Attention! Valve timing is given for the working valve clearance (0.20 mm for the intake valve and 0.25 mm for the exhaust valve). Engine 1.6 dm³ LSD 1.8...
Engine mount — removal and installation Identification of a new type of engine mount A – nut securing the cushion to the engine mount bracket, B – bolts for fastening the cushion to the engine mount bracket...
Draining and filling the cooling system Since the 1985 model, the thermostat housing has been equipped with a nipple used to bleed air from the cooling system. This nipple is closed with a threaded plug....
Ford carburetor with variable diffuser cross-section Needle valve Since May 1983 (manufacture date code "DL") a new type of needle valve controlling the fuel supply to the float chamber and a new needle valve clamp have...
Weber carburetors — design and adjustment Elements of the two-chamber carburetor Weber 84 HF and 85 HF A – carburetor cover, B – starting device housing, C – starting device cover with bimetallic spring, D –...
Pierburg carburetor — design and adjustment Elements of the two-chamber carburetor Pierburg 85 HF A - bimetallic spring housing, B - sealing ring, C - automatic starting device cover, D - starting throttle valve...
Fuel injection system Adjusting the mixture composition of the Bosch L-Jetronic fuel injection device The ONS 2.0 dm³ NRB engines are equipped with a Bosch L-Jetronic multi-point fuel...
Ignition system — specifications Engine 1.6 dm³ type LSD The ignition system is a battery transistor and contains an ignition distributor with a contactless sensor, an ignition coil, an amplifier module...
Clutch — Description of changes Since November 1984, cars with 1.6 dm³ ONS engines and a five-speed gearbox have been equipped with a clutch disc with an outer lining diameter of 215 mm (previously 190...
Four-speed manual transmission Torx bolts A – Torx head bolt (external hexagonal star), B – Torx socket bolt (internal hexagonal star) Gearbox type C 3-4 gear synchronizer hub Since January 1983...
Five-speed manual transmission Installing a new needle bearing for the intermediate shaft of a 5-speed manual transmission A - spacer rings, B – bearing needles Intermediate shaft bearings Since May...
Changes in the design of the automatic transmission Since February 1986 (manufacturing date code "GY"), the method of fastening the rear engine mount has been changed. The new limiter has the shape of a cap. In the case...
Drive shaft and rear axle Identification of the rear axle main gear pinion shaft A – old type shaft with right-hand thread, B – new type shaft with left-hand thread Rear axle mount A – gap...
Power steering system Since September 1983 (production date code "GJ"), a new type of bolt for attaching the auxiliary pump to the engine block has been used in vehicles with 2.0 dm³ engines...
Front suspension Installation of new metal-rubber bushings connecting the stabilizer to the front suspension arms A – front support cup, B – front cup casing, C – rubber support pad, D –...
Rear suspension Rear wheel hub nuts Since September 1983 (manufacturing date code "DJ"), self-locking nuts with left and right threads and a locking part made of artificial material...
Front brake system Disc Brake Caliper Bracket Identification A – old type holder, B – new type holder Brake Disc Fastening Since August 1983 (manufacturing date code "DT") the screw...
Turning on the dim headlights Location of headlight relay in fuse and relay box Jumper installed in position "IV" in the fuse and relay box if the vehicle is not equipped with a headlight relay...
Generator bracket mounting bolt Since July 1983 (manufacturing date code "DY") new bolts for fastening the generator bracket to the engine block have been introduced successively. These bolts can be...
Fuses and relays Since March 1984 (manufacturing date code "EA") a 15 A windscreen wiper motor fuse has been introduced (instead of the previously installed 10 A). Caution: The main fuse...