UAZ 31512 / 31514 / 3151 since 1972, repair e-manual (in Russian)

Content

General information

Governing bodies

Safety precautions

Engine

• Design description
• Changing the oil and oil filter
• Replacing the cylinder head gasket
• Adjustment of thermal clearances in the valve actuator
• Removing the axis of the rocker arm and rod pushers
• Replacing valve stem seals
• Replacing the front cuff of the crankshaft
• Replacing the camshaft gear
• Camshaft removal
• Replacing the rear cuff of the crankshaft
• Removing the intake manifold and exhaust manifold
• Removing the oil cooler
• Replacing lubrication sensors
• Removing the oil cooler tap
• Removing the oil pump drive
• Removing the oil pan
• Removing and disassembling the oil pump
• Removing the cylinder head
• Dismantling the cylinder head
• Lapping valves
• Removing the connecting rod and piston engine group
• Powertrain support replacement
• Engine removal
• Dismantling and assembling the UMP engine
• Assembly of the connecting rod and piston group
• Engine assembly
• Dismantling and assembling the engine ZMZ
• Engine disassembly
• Assembly of the connecting rod and piston group
• Engine assembly

Power system

• Design description
• Replacing the air filter element
• Replacing the fuel fine filter
• Removing and disassembling the filter sump
• Removing the fuel tank switch tap
• Removing the fuel gauge and fuel intake gauge
• Sensor removal
• Removing the fuel intake
• Removing the fuel tank
• Removing the fuel filter strainer
• Removing and disassembling the fuel pump
• Removing the air filter housing
• Air choke drive adjustment
• Throttle actuator adjustment

Carburetor K-151

• Design description
• Removing the carburetor fuel filter
• Idle adjustment
• Fuel level adjustment
• Carburetor removal
• Trigger adjustment
• Dismantling the carburetor
• Dismantling the carburetor cover
• Dismantling the carburetor body
• Dismantling the throttle body

Forced idle economizer system

• Checking and replacing the solenoid valve of the EPPC system
• Checking and replacing the control unit
• Microswitch adjustment

Exhaust gas recirculation system

• Removing the thermal vacuum switch and recirculation valve

Ignition system

• Design description
• Transfer of the ignition system to emergency operation
• Replacing spark plugs
• Ignition timing
• Replacing the cover and slider of the distributor sensor
• Distributor grease
• Removing the distributor
• Disassembly of the distributor sensor
• Replacing the ignition coil
• Switch replacement
• Replacing the emergency vibrator
• Replacing additional resistance
• Replacing the ignition switch and relay

Cooling system

• Design description
• Coolant replacement
• Replacing and adjusting the tension of the drive belts of the units
• Replacing temperature gauge and coolant overheat sensors
• Checking and removing the thermostat
• Replacing the viscous fan coupling
• Removing the radiator and shutters
• Coolant pump replacement

Exhaust system

• Design description
• Replacing the suspension elements of the exhaust system
• Resonator replacement
• Silencer replacement
• Replacing the exhaust pipe

Grip

• Design features
• Spring clutch
• Design features
• Bleeding hydraulic clutch and replacing the working fluid
• Clutch adjustment
• Removing the hydraulic master cylinder
• Removing hydraulic drive cylinder
• Replacing the hydraulic hose
• Removing the clutch pressure and driven discs

Gearbox

• Design description
• Oil change
• Replacing the reversing light switch
• Gearbox removal
• Gearbox disassembly
• Primary shaft disassembly
• Dismantling the reverse gear unit
• Secondary shaft disassembly
• Dismantling the gearshift mechanism
• Replacing front input shaft bearing

Transfer box

• Design description
• Oil change
• Replacing a speedometer drive
• Removing the transfer case
• Disassembling the transfer case
• Removing the control levers
• Cuff replacement
• Shaft removal

Cardan transmission

• Design description
• Driveline lubrication
• Removing the driveline
• Dismantling the universal joint
• Disassembly of the splined joint

Front axle

• Design description
• Changing the oil and lubricating the pivot joint
• Wheel bearing adjustment
• Checking and adjusting the axial clearance of the pivots
• Replacing the final drive gear cuff
• Replacement of a cuff of a half shaft and an epiploon of a spherical support
• Removing the wheel clutch
• Replacing bearings and hub cups
• Swivel axle shaft replacement
• Remove the steering knuckle
• Pivot joint disassembly
• Removing the front axle
• Dismantling and adjusting the final drive gearbox
• Adjusting bearings and gearing of final drive gears

Rear axle

• Design description
• Oil change
• Axle removal
• Wheel bearing adjustment
• Replacing bearings and hub cups
• Replacing the final drive gear cuff
• Removing the rear axle
• Dismantling the rear axle

Front suspension

• Design description
• Shock absorber replacement
• Removing, disassembling the spring and replacing its rubber bushings
• Replacing the rubber buffer

Rear suspension

• Design description
• Shock absorber replacement
• Removing, disassembling the spring and replacing its rubber bushings
• Replacing the rubber buffer

Steering

• Design description
• Checking the technical condition of the steering
• Steering link lubrication
• Removing steering rods
• Replacing steering link joints
• Front wheel alignment
• Steering wheel removal
• Change fluid and filter
• Bleeding the hydraulic steering system
• Power steering valve flushing
• Power steering pump removal
• Power steering removal
• Steering column removal
• Power steering adjustment

Brake system

• Design description
• Bleeding the brake system and replacing the brake fluid
• Replacing and adjusting the brake pads of the front wheel
• Clearance adjustment when installing new brake pads
• Brake pad adjustment during operation
• Replacing brake cylinders and front wheel tubing
• Replacing the front brake hose
• Replacing and adjusting the brake pads of the rear wheel
• Clearance adjustment when installing new brake pads
• Brake pad adjustment during operation
• Replacing the brake cylinder on the rear wheel
• Replacing the rear brake hose
• Replacing the brake master cylinder
• Replacing the vacuum booster
• Removing the foot switch
• Adjusting and replacing the pressure regulator
• Adjustment of the parking brake actuator
• Replacing the brake pads
• Removing the parking brake drive mechanism

Electrical equipment

• General information
• Checking electrical circuits
• Check for dead circuits
• Checking live electrical circuits
• Battery
• Replacing the mass switch
• Fuse replacement
• Generator
• Checking the generator on the car
• Removing the generator
• Generator disassembly
• Starter
• Starter removal
• Dismantling and checking the starter
• Replacing the starter relay
• Testing devices
• Removing test instruments
• Checking control devices and their sensors
• Speedometer
• Fuel gauge
• Coolant temperature gauge
• Oil pressure gauge
• Voltmeter
• Signaling devices and signal lamps
• Replacing the warning lamp
• Replacing switch for fuel level sensors
• Gearshift paddles
• Removing the steering column switches
• Lighting, light and sound alarm
• Headlights
• Headlight adjustment
• Replacing the lamp and optical element
• Headlight removal
• Headlight relay replacement
• Replacing the headlight bulbs
• Removing the front light
• Replacing side direction indicator lamps
• Removing the side direction indicator
• Replacing lamps for reversing light, rear and fog lights
• Removing the rear and fog lights
• Replacing the license plate lamp
• Removing license plate light and reversing light
• Removing the optional brake light and replacing the lamp
• Removing the central light switch
• Removing the rear fog lamp switch
• Removing the brake light switch
• Removing the switch and alarm relay
• Replacing the interior lamp
• Removing the interior light and its switch
• Sound signal
• Adjustment and replacement of a sound signal
• Windshield wiper and washer
• Removing and disassembling the wiper
• Replacing the wiper and windshield washer relay

Frame and body

• Design description
• Removing engine mudguards
• Removing the safety bar and tow hooks
• Removing the front bumper
• Removing the hood lock and its drive
• Removing the hood
• Front wing removal
• Removing the front panel
• Replacing the windshield
• Removing the exterior rearview mirror
• Removing the door trim
• Removing the door lock
• Removing the door handle
• Replacement door glass
• Removing the glass door frame
• Removing the door
• Replacing gas-filled tailgate stops
• Removing the tailgate lock
• Removing the tailgate and tailgate
• Rear Side Removal
• Front seat adjustment
• Removing the seats
• Removing seat belts
• Removing the filler cap of the fuel filler neck

Ventilation and heating system

• Design description
• Replacing the heater tap
• Removing the heater electric fan and its resistor
• Heater removal
• Removing the heater radiator
• Removing the heater blower switch

Diagnostics of malfunctions

• Engine
• Engine and its systems
• Clutch
• Ignition system
• Transfer box
• Gearbox
• Driving bridges
• Cardan transmission
• Steering
• Wheels and tires
• Front and rear suspension
• Brake system
• Generator
• Battery
• Starter
• Sound signal
• Frame and body
• Lighting devices

Applications

• Adjustment data
• Applicable fuels, oils, greases and operating fluids
• A tool used in addition to the staffing
• Tightening torques for main threaded connections
• Layout of rolling bearings, balls and rollers
• Rolling bearings used in units and assemblies
• Balls
• Rollers (needles)
• Cuffs and oil seals
• Schemes of electrical equipment (wiring diagrams) UAZ 31514, -31519
• Schemes of electrical equipment (electrical circuits) of UAZ-31512 cars
• Spark plugs
• Determination of engine malfunctions as a condition of spark plugs
• The masses of the main units of the car
• Lamps used in the car
• Additional equipment to increase the cross-country ability of the car

Customers reviews