Table of contents: General information ↓ Lubrication system ↓ Tensioning the auxiliary drive belt ↓ Tightening torques for threaded… ↓
General information
Engine code*:
- Direct fuel injection with electronic control and turbocharging, 66 kW (90 hp) - 1Z
- Electronically controlled direct fuel injection with turbocharging, 81 kW (110 hp) — AFN
- Electronically controlled direct fuel injection with turbocharging, 55 kW (75 hp) — AFF
- Direct fuel injection with electronic control and turbocharging, 66 kW (90 hp) - AHU
- Direct fuel injection with electronic control and turbocharging, 66 kW (90 hp) - ANN
Cylinder diameter - 79.5 mm
Piston stroke - 95.5 mm
Compression ratio - 19.5:1
Compression limits for a worn engine are 19.0 bar
The firing order of the cylinders is 1-3-4-2
Cylinder #1 - Timing Belt Side
Lubrication system
Oil pump type - pump installed in the sump, driven by an auxiliary shaft
Oil pressure (oil temperature 80°C):
- At 3000 min⁻¹ — 3.0...5.0 bar
- At 2000 min⁻¹ — not lower than 2.0 bar
Oil pump cover wear limit is 0.2 mm
Maximum permissible axial clearance of gears is 0.15 mm
Tensioning the auxiliary drive belt
Generator/Fan Viscous Clutch/Power Steering Pump/Water Pump - Automatic Tensioner
Air Conditioning Compressor - Apply 25 Nm of force to the tensioner housing
Tightening torques for threaded connections Nm
Air Conditioning Compressor Drive Belt Bracket - 45
Generator bracket to cylinder block - 25
Generator - 25
Auxiliary Drive Belt Tensioner - 45
Connecting rod cap bolts and nuts:
- Stage 1 - 30
- Stage 2 - turn 90°
Brake booster clamp - 20
Camshaft support cover - 20
Valve cover - 10
Camshaft Sprocket Bolt - 45
Water pump pulley - 25
Front crankshaft oil seal housing:
- Bolts M6 - 10
- Bolts M8 - 25
Crankshaft damper to sprocket:
- Ratio 8.8 - 25
- Ratio 10.9 - 35
Crankshaft rear oil seal housing:
- Bolts M6 - 10
- Bolts M8 - 20
Crankshaft Sprocket Bolt:
- Stage 1 - 90
- Stage 2 - turn 90°
Cylinder head mounting bolts*:
- Stage 1 - 40
- Stage 2 - 60
- Stage 3 - turn 90°
- Stage 4 - turn 90°
Faceplate (automatic transmission):
- Stage 1 - 60
- Stage 2 - turn 90°
Engine support to subframe - 25
Gearbox/Engine Bolts:
- M10 - 45
- M12 - 65
Flywheel (manual transmission):
- Stage 1 - 60
- Stage 2 - turn 180°
Fuel injection pump sprocket to hub (aNN engine):
- Stage 1 - 20
- Stage 2 - turn not 90°
Auxiliary shaft flange mounting bolts - 25
Auxiliary shaft sprocket mounting bolt - 45
Longitudinal stand:
- To the bracket - 25
- To the engine support - 20
Lower Timing Belt Cover - 10
Crankshaft support cover mounting bolts:
- Stage 1 - 65
- Stage 2 - turn not 90°
Housing of monthly filter to block - 25
Oil nozzles:
- Engines up to 06/96 - 7
- Engines from 07/96 - 27
Oil pump cover - 10
Oil pump mounting bolts - 25
Oil return pipe to cylinder block - 30
Oil feed pipe to turbocharger - 25
Power steering pump pulley - 25
Crankshaft speed sensor:
- Stage 1 - 10
- Stage 2 - turn 90°
Oil receiver to the oil pump - 10
Pallet - 18
Small Upper Timing Belt Idler Pulley - 25
Timing Belt Tensioner - 20
Valve cover - 10
Front Engine Mount Bracket and Stop - 25
Viscous fan clutch - 45
* Use new bolts/nuts