Contents: Checking the cylinder head height ↓ Checking the axial clearance ↓ Camshaft Identification ↓ Valve timing with 1 mm valve lift ↓ Valve dimensions ↓
The elements of the gas distribution mechanism are shown in Fig. 4.11 a.
Fig. 4.11 a. Elements of the gas distribution mechanism:
1, 6, 8, 12, 23 - Bolts; 2 - Camshaft pulleys; 3 - Seals; | 4 - Auxiliary timing belt; 5 - Camshaft housing; 7 - Oil seal cover/ignition coil holder; 9 - Roller rocker; 10 - Rusks; 11 - Oil seal cover; 13 - Lifting eye; 14 - Bypass valve; 15 - Pusher; 16 - Upper spring plate; 17 - Valve spring; 18 - Valve stem seal; 19 - Valve guide bushing with cuff; 20 - Valve guide bushing; 21 - Valves; 22 - Cylinder head; 24 - Tension roller; 25 - Cork; 26 - Camshafts; 27 - Sealing rings.
Checking the cylinder head height
Cylinder head height: 108.25 mm.
Checking the height of the cylinder head is shown in Fig. 4.11 b.
Checking the axial clearance
Checking the axial clearance of the camshaft using an indicator is shown in Fig. 4.11 c.
Permissible axial clearance: 0.40 mm.
Camshaft Identification
Intake camshaft E: 036AC.
Exhaust camshaft A: 036AA.
Identification of the camshaft is shown in Fig. 4.11.
Valve timing with 1 mm valve lift
| The intake valve opens after TDC | 19.1° |
| The intake valve closes after BDC | 15.1° |
| The exhaust valve opens before BDC | 20.2° |
| The exhaust valve closes before TDC | 15.3° |
Valve dimensions
The valve dimensions are shown in Fig. 4.11 d.
| Dimensions, mm | Inlet valve | Exhaust valve |
| Diameter "a" | 29.5 | 26.0 |
| Diameter "b" | 5.973 | 5.953 |
| Valve length "c" | 100.9 | 100.5 |
| Angle "a",° | 45 | 45 |
Visitor comments