Level check
1. Raise the car.
2. Install the car body horizontally.
3. Inspect the front axle. Check for oil leaks. Repair leaks if necessary.
4. Clean surfaces around drain and fill plugs.
5. Remove the fill plug.
6. Make a letter-shaped probe from the wire "G" to measure the oil level. The length of the probe legs must be greater than 40 mm.
7. Insert the dipstick into the fill plug hole. One leg of the probe should be pressed against the edge of the hole, the other should stand vertically.
8. Remove the dipstick and measure the distance from the bend of the dipstick to the oil level. Normally, the oil level should be 0-8 mm from the edge of the hole.
9. Add oil if necessary.
10. Install and tighten the fill plug. Tightening torque 33 Nm.
Change of oil
1. Raise the car.
2. Install the car body horizontally.
3. If installed, remove the gearbox guard.
4. Check the front axle for oil leaks. Carry out necessary repairs if necessary.
5. Clean the surface of the gearbox housing around the drain plug and level plug.
6. Remove the fill plug.
7. Place a container under the gearbox housing to collect the oil.
8. Remove the drain plug, drain the oil.
9. Install and tighten the drain plug, it is advisable to replace the sealing washer. Tightening torque 33 Nm.
10. Fill with oil to the level recommended for this gearbox. Filling volume:
- with gear 8.25" - 1.4 l
- with gear 9.25" - 1.7 l
Recommended gear oil:
- according to SAE - 75W-90
- according to GM specification - 9986115
11. Install and tighten the level plug, it is advisable to replace the sealing washer. Tightening torque 33 Nm.
12. If removed, install the gearbox housing protection.
13. Lower the car.