Note. When a short block engine is installed the engine number must be marked on the cylinder block before installing the engine
The engine identification code is embossed on the flattened area of the cylinder block (arrow) at the transmission side
Home/Opel/Astra/Opel Astra H (2004-2011)/Repair manual/DOHC Petrol Engine/Engine Identification Code / Engine Number
Contents
Wiring diagrams Section: DOHC Petrol Engine- How to Check and Measure the Cylinder Head and Attaching Parts (Survey)
- How to Check the Cylinder Head Height
- How to Check for Plane Surface the Cylinder Head
- Air Mass Meter, 4 Cylinder Petrol
- How to Measure the Valve
- How to Check the Inner Diameter of Valve Guide
- Valve Stem Play, Determine
- Air Mass Meter, Z18XE, Z20LEL, Y22XE, Z22XE
- How to Check the Installation Height of Valves
- How to Check the Installation Height of Valve Guide
- Battery / Starter, Petrol (Current Measurement)
- Battery / Starter (Voltage Measurement)
- How to Overhaul the Cylinder Head
- Cylinder Head, Attach to Assembly Tool Set KM-6215
- Cylinder Head, Disassemble
- Flexible Maintenance Intervals - Astra-H
- How to Remove the Valves
- Compression 4-cylinder, Unsynchronised
- Valve Seat, Cut (In Cylinder Head)
- Engine Overview
- Z 16 XER Petrol Engine
- DOHC Petrol Turbocharged Engine Z 20 LEH - Overview
- Z 16 XE1 Petrol Engine
- Valve Guide, Ream
- Crankshaft Impulse Sensor, Petrol and Z19DT
- Valve, Grind
- Valve, Grind In
- How to Replace the Valve Stem Seals
- Available Engine Variants - Astra-H Gtc
- How to Assemble the Cylinder Head
- Cylinder Head Machining Special Tools
- Survey of All Vehicle Types
- Oil Filter
- Measuring Oil Consumption
- Introducing the Z 20 LER Dohc-Ii Petrol Engine
- Torque and Power Diagram - Z 20 LER
- Injector (Multi-Point Fuel Injection), All Except Z22YH
- Intake Manifold Absolute Pressure (MAP) Sensor
- Arrangement of Diagnostic Plug
- Adjustment Data for Astra-H Z 14 XEP (1.4 16V Twinport Ecotec) 66 kW
- Knock Sensor
- Exhaust Manifold for the Z 14 XEP - Corsa-C, Combo-C, Tigra-B, Astra-H
- Adjustment Data for Astra-H Z 14 XEP Lpg (1.4 Lpg) 66 kW
- Adjustment Data for Astra-H A 16 XER (1.6 Ecotec) 85 kW
- Adjustment Data for Astra-H A 16 LET (1.6 Turbo Ecotec) 132 kW
- Adjustment Data for Astra-H Z 16 XER (1.6 16V Ecotec) 85 kW
- Adjustment Data for Astra-H Z 16 XEP Lpg (1.6 Lpg Ecoflex) 85 kW
- Adjustment Data for Astra-H Z 16 LET (1.6 Turbo Ecotec) 132 kW
- Lubrication of Radial Shaft Seal Rings No Longer Applicable
- Adjustment Data for Astra-H A 18 XER (1.8 Ecotec) 103 kW
- Oxygen Sensor, Motronic M1.5.5
- Adjustment Data for Astra-H Z 18 XER (1.8 16V Ecotec) 103 kW
- Adjustment Data for Astra-H Z 20 LEH (2.0 Turbo Ecotec) 177 kW
- Adjustment Data for Astra-H Z 20 LER (2.0 Turbo Ecotec) 147 kW
- Camshaft Sensor, Multec S/f Except Z14XE MY2004
- Camshaft Sensor, Simtec 70/71/81
- Damage Diagnosis, Dual Mass Flywheel
- Engine Data - Z 14 XEP, Z 14 XEL, Z 16 XEP
- Performance Data - Z 14 XEP, Z 14 XEL, Z 16 XEP
- View of Engine - Z 14 XEP
- Torque and Power Curves - Z 14 XEP
- View of Engine - Z 14 XEL
- Torque and Power Curves - Z 14 XEL
- Throttle Valve Potentiometer (Double Signal), Motronic (As of MY2001)
- View of Engine - Z 16 XEP
- Torque and Power Curves - Z 16 XEP
- View of Engine - Z 18 XE
- Torque and Power Curves - Z 18 XE
- Pedal Position Double Signal, All Petrol (MY 2002, MY 2003 and MY 2004)
- Z 20 LEL DOHC Ii Turbocharged Petrol Engine
- View of Engine Z 20 LEL
- Torque and Power Curves - Z 20 LEL
- Technical Data - Z 20 LEL
- Specified Time Allowance
- View of Engine Compartment - Z 20 LEL
- Purging Air Line No Longer Fitted on Z 20 NET DOHC Turbo Petrol Engine
- New Camshaft Sensor - Z 10 XEP, Z 12 XEP, Z 14 XEP Petrol Engines
- Elimination of Twinport Sensor - Z 10 XEP, Z 12 XEP and Z 14 XEP Petrol Engines
- Introduction
- Throttle Valve Potentiometer (Double Signal), Simtec (MY 2003), Simtecand Multec-F (MY 2004)
- Camshaft Control, Z 10 XEP, Z 12 XEP, Z 14 XEP (MY 2005 Onwards)
- Setting the Phase Sensor Disc with KM-954
- Camshaft Sensor
- Timing Case
- Timing Chain Tensioner
- Bosch Motronic 7.6.2 Engine Control Unit
- Crankshaft Guide Bearing, DOHC Engines
- Twinport Sensor
- Camshaft Sensor, Z20LEL
- Crankshaft Impulse Sensor, Z20LEL
- Engine Identification Code / Engine Number
- How to Check the Compression
- Check Engine Pressure Loss
- How to Measure the Oil Temperature
- How to Check the Oil Pressure
- How to Check the Fuel Pressure
- How to Check for Leaks the Engine ((CO Content in Cooling System))
- Replacing the Air Cleaner Housing
- How to Replace the Resonator
- How to Replace the Ribbed V-Belt (Without Air Conditioning)
- How to Replace (Without Air-Conditioning) the Ribbed V-Belt Tensioner
- How to Replace the Timing Case Seal Ring
- How to Check the Timing
- How to Adjust the Timing
- How to Remove and Install the Cylinder Head Cover
- How to Remove and Install the Camshaft Sprockets
- Removing and Installing Both Camshafts
- Replace All Valve Stem Seals (Cylinder Head Installed)
- How to Replace (Up to MY 2005.5) the Exhaust Manifold
- How to Remove and Install the Intake Manifold
- How to Remove and Install the Attaching Parts - Cylinder Head
- Replace EGR Valve
- How to Replace the Exhaust Gas Recirculation Pipe
- How to Remove and Install the Hydraulic Valve Lifter
- Removing and Installing Roller Cam Followers
- How to Replace the Seal Ring - Front Crankshaft
- Replacing One Piston / Con-Rod
- How to Replace the Con-Rod Bearing
- How to Check (With Plastigage) the Con-Rod Bearing Play
- Check Con-Rod Bearing Play (With Micrometer Gauge and Internal Measuring Device)
- How to Check the Crankshaft End Play
- How to Check the Radial Run-Out of Crankshaft
- How to Check (With Plastigage) the Crankshaft Bearing Play
- Check Crankshaft Bearing Play (With Micrometer Gauge Internal Measuring Device)
- How to Check for Plane Surface the Cylinder Block
- Engine Oil with Oil Filter Change
- How to Remove and Install (Up to MY 2005.5) the Oil Filter Housing
- How to Remove and Install the Oil Pressure Switch
- How to Remove and Install the Oil Pan
- How to Remove and Install the Oil Intake Pipe
- Replace Oil Pressure Regulating Valve
- How to Check the Oil Pump
- Replace Engine Damping Block (Front)
- Replace Engine Damping Block (Rear)
- Replace Left Engine Damping Block
- Replace Right-Hand Engine Damping Block
- Special Service Tools
- Sealants, Lubricants and Locking Agents
- Specifications
- Checking and Adjustment Values
- Ribbed V-Belt - Engine Timing
- Oil Circulation
- Cylinder Head
- Crankshaft Drive, Cylinder Block
- Recommended Torque Values
- Illustration of Coolant Hoses
- Testing Ribbed V-Belt Tensioner
- Replace Air Cleaner Housing
- Replace Resonator
- Replace Ribbed V-Belt
- Replace Ribbed V-Belt Tensioner
- Replace Front Toothed Belt Cover (Top)
- Replace Front Toothed Belt Cover (Lower)
- Replace Rear Toothed Belt Cover
- Replace Toothed Belt
- Replace Toothed Belt Tensioner
- Replace Guide Roller Toothed Belt
- How to Check and Correct the Toothed Belt Tension
- How to Adjust the Toothed Belt Tension
- Replacing Upper Engine Cover
- How to Replace the Seal Ring - Camshaft
- How to Replace (Cylinder Head Installed) the All Valve Stem Seals
- Replacing Exhaust Manifold
- Removing and Installing Intake Manifold
- How to Remove and Install the Cylinder Head
- How to Remove and Install the Drive Disc
- Replace Front Crankshaft Seal Ring
- How to Remove and Install the Piston with Con-Rod
- How to Replace the Piston Rings
- Check Con-Rod Bearing Clearance (With Plastigage)
- Check Con-Rod Bearing Clearance (With Micrometer Gauge and Internal Measuring Device)
- Replace One Piston/con-Rod
- How to Remove and Install the Crankshaft
- How to Check the Crankshaft Out-Of-Round
- Check Crankshaft Bearing Clearance (With Plastigage)
- Check Crankshaft Bearing Clearing (With Micrometer Gauge and Internal Measuring Device)
- Replace Engine Oil Level Sensor
- How to Remove and Install the Oil Pump
- Replace Overpressure Valve
- Replace Oil Pressure Switch
- Replace Oil Dipstick Guide Tube
- Replace Front Engine Damping Block
- Replace Rear Engine Damping Block
- Replace Right Engine Damping Block
- How to Remove and Install the Engine
- Replace Switchover Valve Vacuum Unit
- Sealants, Lubricants and Locking Compounds (Dohc-I -)
- Checking and Adjustment Values - Dohc-I
- Ribbed V-Belt
- Toothed Belt
- Oil Circuit
- Crank Drive, Cylinder Block
- How to Replace (Z16XEP) the Air Cleaner Housing
- How to Install and Remove the Cup Tappet
- How to Replace (Z16XEP) the Intake Manifold
- How to Replace the Intake Manifold Flange
- How to Remove and Install (Z16XEP) the Attaching Parts - Cylinder Head
- Replace Engine Venting Pipe
- Check Crankshaft Bearing Clearance (With Micrometer Gauge Internal Measuring Device)
- Make Bores for Adapter KM-412-31
- How to Replace the Cylinder Head Oil Pressure Switch
- How to Replace the Cylinder Block Oil Pressure Switch
- How to Replace (Old Design) the Oil Dipstick Guide Tube
- Mta Transmission From/to Engine, Detach and Attach (Engine Removed)
- Toothed Belt Diagnosis - Possible Causes and Remedys
- Sealing, Lubricating and Locking Compounds (Dohc-I -)
- Coolant Circuit
- Crank Drive, Cylinder Block Z16XEP, Z16XE1
- Engine Management
- Torque Guide Values
- Engine Compartment Overview
- Engine Compartment Vacuum Routing
- DOHC Ii Petrol Engine Z 20 LEL / Z 20 LER Engine Code/engine Number
- How to Check the Ribbed V-Belt Tension
- How to Check the Engine Oil Pressure
- Replace Air Intake Pipe
- Replacing Resonator
- Removing and Installing Charge Air Pipe
- Replace Front Toothed Belt Cover (Upper)
- Removing and Installing Exhaust Manifold with Turbocharger
- Replace Intake Manifold
- Removing and Installing Engine Vent Pipe
- Check and Adjust Balancer Shaft Unit/crankshaft Tooth Backlash
- Adjust Balancer Shaft Unit/crankshaft Tooth Backlash
- How to Remove and Install the Balancer Shaft Unit
- Checking Con-Rod Bearing Play (With Plastigage)
- Check Con-Rod Bearing Play with Micrometer Gauge and Internal Measuring Device
- Check Crankshaft End Play
- Check Crankshaft Bearing Clearance with Plastigage
- Check Crankshaft Bearing Clearance with Micrometer Gauge and Internal Measuring Device
- Replace Engine Oil with Oil Filter
- Removing and Installing Temperature Regulator Housing (Heat Exchanger)
- Removing and Installing Temperature Regulator (Heat Exchanger)
- Replace Engine Oil Cooler Oil Lines / Heat Exchanger
- Replace Engine Oil Cooler / Heat Exchanger
- Replace Oil Pump Seal Ring - Replace Front Crankshaft Seal Ring
- How to Remove and Install the Lower Part of Oil Pan
- How to Remove and Install the Upper Part of Oil Pan
- Removing and Installing Engine Oil Level Sensor
- How to Replace the Pressure Relief Valve in Oil Circuit
- How to Remove and Install (Z 20 LEL the Oil Baffle Plates (Z 20 LER))
- Removing and Installing Turbocharger Oil Feed Line (Cylinder Block)
- How to Remove and Install the Oil Feed Line - Turbocharger (Turbocharger)
- How to Remove and Install the Oil Return Line - Turbocharger
- Replace Front Engine Damper Block
- Replace Rear Engine Damper Block
- Replace Camshaft Sensor
- Z18XE Engine - No Compression Because of a Broken Valve Spring
- Spark Plug Damages - Possible Causes and Failure Modes
- Engine Z16XEP - High Oil Consumption
- How to Remove from Engine and Install the Manual Transmission
- How to Remove from Engine and Install the Mta-Manual Transmission
- Mta Manual Transmission From/to Engine Detach and Attach (Engine Removed)
- Engine Z16XER, Z18XER (Camshaft Bearing Bridge Leaky)
- Engine Z20LEH, Z20LER (Exhaust Manifold Leaky)
- Engine Z10/12/14XEP - Loss of Oil Between Oil Filter Modul and Engine Block
- Engine Z22SE/Z22YH, Tensioner Timing Chain (Rattling Noise from Timing Chain)
- Engine Z16/18XER, Cylinderhead (Oil Leakage Between Camshaft Bearing Bridge and Camshaft Cover)
- Engine Z18XER - Rattling Noise from Poly-V-Belt
- Illustration - Coolant Hoses (Z 20 LEH)
- How to Remove and Install (Z 20 LEH) the Oil Baffle Plate
- Engine A/Z10/12/14XEP/L - Crankcase Ventilation Hoses Cracked
- Replace Rear Crankshaft Seal Ring (New Version from MY 2005)
- How to Replace (New Design from MY 2005) the Seal Ring (Rear)
- How to Remove and Install (New Design) the Oil Pan
- How to Replace (New Design) the Engine Oil Level Sensor
- How to Replace (From MY 2005.5) the Exhaust Manifold
- How to Remove and Install (From MY 2005.5) the Oil Filter Housing
- Removing and Installing Air Cleaner Housing
- How to Replace the Front Toothed Belt Cover, Centre
- How to Remove and Install the Camshafts
- How to Replace the Camshaft Adjustment Valves
- Attach and Detach Attaching Parts
- Check Con-Rod Bearing Clearance (With Micrometer Gauge and Internal Measuring Device)pф=
- How to Replace the Piston
- How to Remove and Install the Oil Dipstick Guide Tube
- How to Remove and Install the Oil Filter Housing
- How to Replace (New Design) the Oil Dipstick Guide Tube
- Remove and Install Automatic Transmission with Torque Converter from Engine
- How to Replace (Z16XE1 / A16XER / Z16XER) the Air Cleaner Housing
- How to Remove and Install (Z16XE1) the Attaching Parts - Cylinder Head
- Illustration of Air Duct
- Illustration of Engine Compartment Vacuum Routing
- How to Replace the Accessory Drive
- Toothed Belt Guide Roller. Replace
- Replace Toothed Belt Drivewheel
- How to Replace the Intake Manifold (Petrol Engines)
- How to Replace the Camshaft Sprockets
- How to Remove and Install the Flywheel
- How to Replace the Seal Ring - Crankshaft (Front)
- Check Crankshaft Bearing Play (With Plastigage) -
- Replace Turbocharger Oil Return Line
- Replace Engine Damping Blocks
- Replace Spark Plugs
- DOHC Petrol Engine Engine Number
- Overview of Engine Compartment
- Check Ribbed V-Belt Tension
- Check for Engine Leaks (CO Content in Coolant)
- Replace Guide Rail (Primary Chain)
- How to Replace (Primary) the Hydraulic Chain Tensioner
- Replace Chain Tensioner of Balance Shaft Timing Chain
- Replace Timing Chain (Secondary)
- Replace Cylinder Head Cover
- Replace Roller Cam Follower
- Replace Hydraulic Valve Lifter
- Detach and Reattach Attaching Parts of Cylinder Head (Cylinder Head Removed)
- Replace High-Pressure Fuel Pump
- How to Replace the All Valve Stem Seals
- Replace Drive Disc
- How to Replace (At) the Seal Ring - Rear Crankshaft
- Replace One Piston And/or Con-Rod (Piston Removed with Con-Rod)
- Replace Torsional Vibration Damper
- Replace the Crankshaft Gear
- Replace Oil Pump
- Overhaul Oil Pump
- Engine Oil with Filter Change
- Additional Work for Replacement of Oil Pan
- Replace Oil Pump Pressure Regulating Valve
- Replace Oil Filter Short Circuit Valve
- Replace Oil Spray Nozzle (Timing Chain)
- Replace (Rear) Engine Damping Block Bracket
- Engine Maintenance Using a Section Engine
- Engine Timing
- Replace Turbocharger Oil Feed Line
- Removing and Installing Oil Baffle Plate
- Attach Engine to Engine Overhaul Stand and Remove
- Air Cleaner Housing, Air Ducts
- Illustration Engine Management Z16XEP
- Illustration Engine Management Z16XE1
- Replace Exhaust Gas Recirculation Valve
- Crank Drive, Cylinder Block A16XER, Z16XER
- How to Replace the Ribbed V-Belt (With Air Conditioning)
- ABS MK60 ESP
- ABS MK70
- Accessories
- Adhesive Foiles
- Air Conditioning
- Airbag
- Anti-Theft Warning System-M
- Automatic Transmission Front Wheel Drive
- Battery
- Board Computer
- Body Equipment
- Brake Hydraulics, Brake Lines
- Brakes
- Car Level Control
- Central Door Locking System
- Clutch
- Clutch and Transmission
- Communication / Navigation
- Cooling System
- Corrosion Protection
- Diesel Engine
- DOHC Diesel Engine
- DOHC Petrol Engine
- Ecc Electronic Climate Control
- Ehps - Electrical Hydraulic Power Steering
- Electrical Equipment and Instruments
- Electrical Window Winders
- Electronic Module
- Electronic Ride Control
- Electronic Temperature Control
- Engine and Engine Aggregates
- Engine Electrics
- Exhaust System
- Fittings, Hinges, Locks
- Folding Roof
- Frame
- Front End
- Front Wheel Brake
- Front Wheel Suspension
- Front Wheel Suspension, Wheels and Tyres
- Fuel and Exhaust System
- Fuel Injection Systems
- Fuel System
- Fuse Box
- General Vehicle Information
- Glass, Window Guides, Window Winders
- Graphic Info Display
- Headlamps, Lamps and Horn
- Heating, Ventilation
- Heating, Ventilation, Air Conditioning (HVAC)
- Immobiliser
- Instruments, Telltales
- Lpg
- Maintenance, Body and Chassis Sheet Metal Parts, Frame
- Manual Transmission Front Wheel Drive
- Mid (Multi Info Display)
- Other Accessories
- Outside Rear View Mirror
- Paint
- Painting Repair Operations
- Painting Repair System
- Parkpilot
- Radiator Grille
- Radio
- Rear Axle and Rear Wheel Suspension
- Rear Axle Front Wheel Drive
- Rear Fog Lamp
- Rear Wheel Brake
- Roof
- Sac Semi Automatic Climate Control
- Seat Heating Systems
- Seats, Upholstery, Inner Trim Panels
- Sensors
- Service Brake, Parking Brake
- Servo Motors
- Sheet Metal Parts (Bolted)
- Sheet Metal Parts (Cement and Seal)
- Sheet Metal Parts (Welded)
- Sliding Roof
- Steering
- Steering Gear
- Steering Intermediate Shaft
- Steering Linkage
- Steering Wheel - Steering Column
- Switches
- Switches, Control Unit, Relays, Ignition Lock
- TID (Triple Info Display)
- Trailer Hitch
- Trim Panels, Radiator Grille, Spoiler
- Trim Strips, Lettering, Coverings
- Turbo-Charging
- Wheels and Tyres
- Windscreen Wash/wipe System, Heated Screen
- Wiring Harnesses
- Распиновка разъёмов
