Examination
Inspect the entire length of the drive belts on both sides for cracks or signs of wear.
V-belt wear
1. Side wear; 2. Strong surface abrasion; 3. Cracks; 4. Bundle; 5. Polished surface; 6. Oil pollution; 7. Gap
Ribbed belt wear
1. Acceptable wear; 2. Transverse cracks on the ribs of the belt; 3. Unacceptable wear; 4. There are no adjacent sections of the belt ribs longer than 1 cm; 5. Cracks parallel to belt ribs
Measure the tension of the belts with special measuring tools and compare the obtained data with the technical specifications. If you do not have a special tool, check the tension by pushing the belt halfway between the two pulleys and measuring the belt deflection. The belt should deflect 6 mm if the distance between the centers of the pulleys is 18–28 cm. The belt should deflect 12 mm if the distance between the centers of the pulleys is 30–40 cm.
Measuring belt deflection with a ruler
1. Belt deflection; 2. Check that the ruler is perpendicular to the rail; 3. Rail; 4. Ruler
Tension adjustment
1. To adjust the tension of the drive generator and compressor, loosen the pivot bolt (A) alternator in the left front corner of the cylinder block. Loosen the lock bolt and turn the adjusting bolt (IN) clockwise to tighten the belt or counterclockwise to loosen. Measure belt tension. Re-adjust if necessary.
2. To adjust the tension of the power steering pump drive belt, loosen the adjusting bolt and turn the pump towards the engine or vice versa to loosen or increase the belt tension respectively.
Replacement
Loosen the drive belt and remove it from the pulleys. If one belt needs to be replaced, it is recommended that the remaining belts be replaced as well.