Noise in the gearbox (the noise disappears when the clutch is released)
| Possible causes of malfunction | Troubleshooting |
| Low gearbox oil level | Check the oil level in the gearbox, if necessary, add oil to the level of the lower edge of the filler hole |
| The primary shaft bearings are badly worn | Replace or repair the gearbox |
Noise in the gearbox (noise when driving in a certain gear)
| Possible causes of malfunction | Troubleshooting |
| The gears of the corresponding transmission are worn or damaged | Repair or replace the gearbox |
The gears are difficult to shift
| Possible causes of malfunction | Troubleshooting |
| Clutch faulty | See "Clutch" |
| Defective (torn, frayed, stuck in the shell) selector cable or gear shift cable | Replace the faulty cable |
| The gearbox control mechanism is worn or damaged | Replace the mechanism |
| The gear shift mechanism is worn or damaged | Repair or replace the gearbox |
| The synchronizers of the gears are worn out | Repair or replace the gearbox |
Gears disengage spontaneously
| Possible causes of malfunction | Troubleshooting |
| The gear shift mechanism is worn out | Repair or replace the gearbox |
| The gearbox control mechanism is worn or damaged | See above "Gears are difficult to shift" |
| The gearbox synchronizer clutches are worn out | Repair or replace the gearbox |
Oil leak from the box
| Possible causes of malfunction | Troubleshooting |
| Worn seals on the input shaft, gear shift mechanism or wheel drive shafts | Replace the faulty seal |
| Oil leakage through crankcase joints | Repair the gearbox |
| Oil leak through reverse sensor and vehicle speed sensor | Install the reverse sensor with sealant. Replace the rubber seals of the speed sensor |
Automatic transmission fluid leak
| Possible causes of malfunction | Troubleshooting |
| Fluid leaking from the transmission through the oil pan seal | Fluid leaks on the gearbox housing. Tighten the pan mounting screws, replace the pan gasket |
| Liquid leaking from under the level indicator | Insert the pointer until it stops, replace it if necessary |
| Liquid leak from cooler tube fittings | Tighten the fittings |
When pressing the gas pedal all the way to the floor, the kickdown mode does not activate
| Possible causes of malfunction | Troubleshooting |
| Low transmission fluid level | Check the fluid level using the indicator, add fluid if necessary |
| The engine management system is faulty | Test the engine management system (at the service center). Replace faulty components |
| The gear selector lever cable adjustment is incorrect, the gear selector lever position sensor or electrical circuits are faulty | Adjust the drive (at the service center), replace the faulty cable if necessary. Check the sensor (at the service center), replace the faulty sensor |
(Original is available on this resource: «LadaMan.ru»)