Lada VAZ2121 Automobile User Manual


 
Lada Niva Driver s Manual Jason Chapman
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Transmission
Clutch.
The clutch is single plate, dry, with diaphragm pressure spring, and is hydraulically
controlled.
Gearbox.
The gearbox is four speed, all forward gears synchro-meshed The gearshift lever is mounted
on the floor tunnel.
Gear ratios: 1st gear 3.667; 2nd gear 2.100; 3rd gear1.361; 4th gear 1.000; Reverse gear 3.526.
Car versions with a five speed gearbox and 5th gear ratio of 0.819 are available.
Transfer case.
The transfer case is of two range type, three shaft, with a centre differential having a positive
lock. The differential lock lever and range shift lever are mounted on the floor tunnel.
Gear ratios: High range 1Æ2
Low range 2.135
Propeller shafts.
The intermediate propeller shaft (gear box to transfer case) is provided with an elastic
coupling and a needle bearing universal joint. The front and rear axle propeller shafts are
provided with needle bearing universal joints at the ends. Each propeller shaft has grease
fittings in the splined connections and joints.
Front axle.
The front axle reduction unit with the centre differential is attached to the engine. The final
drive is bevel gear, hypoid. gear ratio 4.1. The front wheel drive propeller shafts are provided
with oiled for life universal joints.
Rear axle.
The rear axle is a rigid beam. The rear axle reduction unit is provided with a centre
differential. The final drive is bevel gear, hypoid, gear ratio 4.1.
Suspension
Front suspension.
Independent, on swinging lateral wishbones, with coil springs, double acting telescopic
hydraulic shock absorbers and antiroll bar. The joints need no periodical lubrication.
Rear suspension.
Coil springs, double acting telescopic hydraulic shock absorbers, four longitudinal and one
transverse radius rods.
Steering Gear and Wheels
Steering gear.
The steering mechanism including an hourglass worm on ball bearings and a roller on needle or
ball bearings is enclosed in an aluminium case. The steering gear ratio is 16.4. The steering
linkage side rods are actuated by the pitman arm and centre rod with an idler arm. The steering
rod joints need no periodical lubrication. The steering gear is injury safe.