Diesel engine 1.9-I-110 hp to number 4 BYN 002 887
Toothed belt check
Release the two fastening clips of the top toothed belt guard and pull up and forward the guard until the toothed belt is visible.
Mark the belt with chalk, turn the crankshaft clockwise for the pulley mounting bolt until the mark reappears, while visually checking the condition of the belt. The following defects can be found on the toothed belt:
- wear or chipping of teeth;
- wear or delamination on the outer surface of the toothed belt;
- wear or damage on one side of the belt;
- cracks on the outer surface of the toothed belt;
- oil stains or greasy tracks on the timing belt.
If there are any defects on the toothed belt, it must be replaced.
Measure the width of the toothed belt (see fig. 1.20). If the belt is less than 22 mm wide, it must be replaced.
Stop the upper casing of the toothed belt and secure with two clips.
Toothed belt replacement
On the 2.5-I-TDI engine, two toothed belts must be replaced.
On the 2.8-1 petrol engine and the 1.9-I-TDI engine, except for the 110 hp engine. from number 4 BYN 002 888 it is also necessary to replace the toothed belt tensioner.
Timing belt replacement intervals are different depending on the type of engine.
Operations for replacing toothed belts and tensioners are given in chapter 2 «Engines».
Checking the toothed belt on the 2.5-I-TDI engine
The 2.5-I-TDI engine has two toothed belts, one for driving the camshafts and the other for driving the fuel pump. The timing belts must be checked every 30,000 km and must be replaced at the latest after 120,000 km.
Remove the top casing of a gear belt.
Check the condition of the timing belts (see above checking the toothed belt on a diesel engine 1.9-1110 hp.).
Replace toothed belts, see chapter 2 «Engines».
Check the tension of the fuel pump toothed belt. Label 1 (pic. 1.21) the tension roller must be aligned with pointer 2. Otherwise, adjust the tension of the toothed belt, see chapter 2 «Engines».
Establish the top casing of a gear belt.
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