Manual sections
Wiring diagrams- ABS
- ABS 430
- ABS 5.3
- ABS 5.3/TC/ESP
- ABS 5/TC, ABS 5.3/TC
- ABS Mk20i
- Air Conditioning
- Airbag
- Anti-Theft Warning System-M
- Automatic Transmission Front Wheel Drive
- Battery
- Board Computer
- Body Equipment
- Brake Hydraulics, Brake Lines
- Brakes
- CAN Bus
- Car Level Control
- Central Door Locking System
- Central Locking with Atws (Electronic)
- Check Control
- Clutch
- Clutch and Transmission
- Communication / Navigation
- Connector pinouts
- Continuously Variable Transmission (Cvt) Front Drive
- 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 Socket Front/ Rear
- Electrical Window Winders
- Electronic Cruise Control
- Electronic Module
- Electronic Ride Control
- Engine and Engine Aggregates
- Engine Electrics
- Eps Electrical Power Steering
- Exhaust System
- Fittings, Hinges, Locks
- 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
- Glassfibre Parts (Bolted)
- Graphic Info Display
- Headlamps, Lamps and Horn
- Heating, Ventilation
- Heating, Ventilation, Air Conditioning (HVAC)
- Immobiliser
- Instruments, Telltales
- Maintenance, Body and Chassis Sheet Metal Parts, Frame
- Manual Transmission Front Wheel Drive
- Manual Transmission Rear Wheel Drive
- Mid (Multi Info Display)
- Other Accessories
- Outside Rear View Mirror
- Paint
- Painting Repair Operations
- Painting Repair System
- Parkpilot
- Power Steering
- Radiator Grille
- Radio
- Rear Axle and Rear Wheel Suspension
- Rear Axle Front Wheel Drive
- Rear Wheel Brake
- Roof Luggage Carrier (Railing)
- Sac Semi Automatic Climate Control
- Seat Heating Systems
- Seats, Upholstery, Inner Trim Panels
- 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
- Xenon Control Unit (Headlamp Range Control)
Repair manual
DOHC Diesel Engine Opel Signum I
Step-by-step instructions on "DOHC Diesel Engine" for Opel Signum I (2002–2008). Pick an article — removal, installation, adjustment and diagnostics with illustrations.
221articles
1180illustrations
Articles in this section
221 articles- Replace Heat Shield Sleeve (Y 17 DT, Y 17 DTL, Y 30 DT, Z 30 DT) 3
- Compression 6-cylinder, Diesel 1
- Diesel Glow Plugs (Current Measurement), 6 Cylinder 2
- How to Replace (Y 30 DT the Valve Guide (Z 30 DT)) 1
- Intake Manifold - Z 19 DTH DOHC Diesel Engine 5
- V6 DOHC Diesel Engine Y 30 DT 1
- Y 30 DT DOHC V6 Diesel Engine
- Air Mass Meter, 6 Cylinder Diesel (Y25DT, Y30DT) 2
- Survey of the Z 30 DT DOHC Diesel Engine
- View of Engine - Z 30 DT DOHC Diesel Engine 2
- Torque and Power Curves - Z 30 DT DOHC Diesel Engine
- Exhaust Gas Recirculation - Z 30 DT DOHC Diesel Engine 1
- Intake Manifold - Z 30 DT DOHC Diesel Engine 2
- Fuel Rail Pressure Sensor 2
- Camshaft Sensor, Y30DT 2
- Crankshaft Impulse Sensor, Vectra-C/signum Y30DT 2
- Injector, Common Rail Diesel, Y30DT 2
- Load Pressure Sensor, Y30DT 2
- Fuel Rail Pressure Sensor, Y30DT 2
- Guide Vane Control Rod Position Sensor 2
- View of Engine Y 30 DT 2
- Engine Timing Side 1
- Timing Case 1
- Spur Gears 1
- Toothed Belt
- Cylinder Head
- Camshafts 2
- Exhaust Manifold 1
- Turbocharger System 1
- Inlet Manifold 1
- Cylinder Block, Crank Drive 1
- Oil Pump 1
- Oil Sumps 1
- Coolant Pump 1
- Engine Management System 4
- Overview of Engine Compartment - Wiring Harness Routing 4
- Block Circuit Diagram of the Y 30 DT 1
- Injection System 1
- High-Pressure Pump 1
- Injectors 1
- Exhaust Gas Recirculation System 1
- Engine Z19DTH - Poor Take off Below 2000 RPM
- Engine Number Y 30 DT 1
- Overview of Engine Compartment, Cable Layout 4
- How to Check (Y 30 DT the Timing (With Air Conditioning, Lhd)) 7
- How to Adjust (Y 30 DT the Timing (With Air Conditioning, Lhd)) 10
- How to Check and Adjust (Y 30 DT the Valve Play (With Air Conditioning, Lhd)) 20
- How to Replace (Y 30 DT the Ribbed V-Belt (With Air Conditioning, Rhd)) 2
- How to Replace (Y 30 DT the Ribbed V-Belt Tensioner (With Air Conditioning, Rhd)) 3
- How to Replace (Y 30 DT the Toothed Belt (With Air Conditioning, Lhd)) 10
- How to Replace (Y 30 DT the Toothed Belt Tension Roller (With Air Conditioning, Lhd)) 9
- How to Replace (Y 30 DT the Both Toothed Belt Idling Rollers (With Air Conditioning, Lhd)) 12
- How to Replace (Y 30 DT the Toothed Belt Drive Wheel (With Air Conditioning, Lhd)) 13
- How to Remove and Install (Y 30 DT the Timing Case Cover (With Air Conditioning, Lhd)) 23
- How to Replace (Y 30 DT the Seal Ring, Crankshaft (Front) (With Air Conditioning, Lhd)) 4
- How to Replace (Y 30 DT the Front Toothed Belt Cover (With Air Conditioning, Lhd)) 6
- How to Replace (Y 30 DT the Seal Ring, Toothed Belt Drive Wheel (With Air Conditioning, Lhd)) 18
- How to Replace (Both) (Y 30 DT the Cylinder Head Cover (With Air Conditioning, Lhd)) 19
- How to Replace (Y 30 DT the Both Seal Rings of the Camshafts (With Air Conditioning, Lhd)) 15
- How to Remove and Install (Y 30 DT the Both Cylinder Heads (With Air Conditioning, Lhd)) 77
- How to Replace (Y 30 DT the Both Gaskets of the Intake Manifold Lower Sections (With Air Conditioning, Lhd)) 19
- Exhaust Manifold, Cylinder Head-1-3-5 (Y 30 DT, with Air Conditioning, Lhd) 9
- How to Replace (Y 30 DT the All the Camshafts (With Air Conditioning, Lhd)) 88
- How to Remove and Install (Y 30 DT the Drive Disc (With Air Conditioning, Lhd)) 1
- How to Replace (Y 30 DT with Automatic Transmission) the Seal Ring, Crankshaft (Rear) 3
- Engine Oil with Oil Filter Change (Y 30 DT, with Air Conditioning, Rhd) 3
- Special Service Tools 69
- Sealants, Lubricants and Locking Agents
- Specifications
- Drive Belt
- Engine Timing
- Oil Circulation
- Crank Drive, Cylinder Block 2
- Recommended Torque Values
- Measure the Oil Temperature (Y 30 DT) 1
- Replace 3x Ribbed V-Belt Guide Roller (Y 30 DT, with Air Conditioning, Rhd) 3
- Replace Both Camshaft Sprockets (Y 30 DT, with Air Conditioning, Lhd) 14
- Replace Both Intermediate Sprockets of Spur Gear Drive (Y 30 DT, with Air Conditioning, Lhd) 26
- How to Replace the Toothed Belt Drive Gear/crankshaft Sprocket (Crankshaft Spur Gear) 26
- How to Replace (Y 30 DT the Lower Part of Oil Pan (With Air Conditioning, Lhd)) 2
- Replace Oil Pressure Switch (Y 30 DT, Rhd, with Air Conditioning) 3
- Replace Both Return Manifolds (Y 30 DT, with Air Conditioning, Lhd) 1
- How to Check (Y 30 DT) the Ribbed V-Belt Tensioner 1
- How to Replace (Y 30 DT) the Vacuum Pump 5
- How to Replace (Y 30 DT)pф= the Torsional Vibration Damper 2
- Cover - Cylinder Block Engine Vent (Y 30 DT) 3
- How to Replace (Y 30 DT) the Sensor - Dynamic Oil Level Check 4
- How to Replace the Engine Mounting (Engine Damping Block) (Both Sides (Y 30 DT, with Air Conditioning, Rhd)) 8
- How to Replace (Y 30 DT) the Right-Hand Engine Bracket 5
- How to Replace (Y 30 DT the Front Engine Mounting (Engine Damping Block) (With Air Conditioning, Rhd, F40)) 2
- How to Replace (Y 30 DT the Front Engine Mounting (Engine Damping Block) (With Air Conditioning, Rhd, AF33)) 1
- How to Replace (Y 30 DT the Rear Engine Mounting (Engine Damping Block) (With Air Conditioning, Rhd)) 7
- How to Replace the Engine Mounting (Engine Damping Block) (Right Side (Y 30 DT, with Air Conditioning, Rhd)) 4
- How to Replace the Engine Mounting (Engine Damping Block) (Left Side (Y 30 DT, with Air Conditioning, Rhd)) 4
- DOHC Diesel Engine Z 19 DTH - Engine Number/engine Code 1
- How to Measure (Z 19 DTH) the Oil Temperature 1
- How to Check (Z 19 DTH) the Engine Oil Pressure 2
- Engine Oil and Oil Filter Change (Z 19 DTH) 1
- Replace Ribbed V-Belt 2
- Replace Ribbed V-Belt Tensioner 1
- Replace Ribbed V-Belt Upper Guide Roller 1
- How to Replace (Z 19 DTH) the Right-Hand Engine Bracket 8
- How to Replace (Z 19 DTH) the Toothed Belt Tension Roller
- How to Replace (Z 19 DTH) the Toothed Belt Guide Roller 1
- How to Check (CO Content in Cooling System) (Z 19 DTH) the Engine Leaks 1
- How to Replace (Z 19 DTH) the Front Reaction Member 1
- How to Replace (Z 19 DTH) the Rear Reaction Member 1
- How to Replace (Z 19 DTH) the Right and Left Engine Damping Blocks 6
- How to Replace (Z 19 DTH) the Right Engine Damping Block 3
- How to Replace (Z 19 DTH) the Left Engine Damping Block 5
- How to Replace (Z 19 DTH) the Oil Pressure Switch 1
- Special Tools (Z 19 DTH) 61
- Torque Guide Values (Z 19 DTH)
- Main Data (Z 19 DTH)
- Engine Overview, Fuel System High + Low Pressure 1
- How to Replace (Z 19 DTH) the Upper Toothed Belt Cover 4
- How to Replace (Z 19 DTH) the Vacuum Pump 1
- How to Replace (Z 19 DTH) the Intake Manifold Gasket 21
- How to Replace (Z 19 DTH) the Intake Manifold 1
- How to Replace (Z 19 DTH) the Oil Pump Seal Ring 2
- Replace Intake Pipe for Oil Pump 2
- How to Replace (Z 19 DTH) the Engine Oil Filler Port 1
- How to Check (Y30 DT) the Engine Pressure Loss 2
- How to Replace (Y 30 DT) the Both Housings, Camshaft Sprocket 2
- Connecting Pipe, Exhaust Recirculation Valve (Intake Pipe, Replace (Y 30 DT)) 2
- How to Replace (Y 30 DT) the Valve Springs
- How to Replace (Piston with Con-Rod Removed) (Y 30 DT) the One Piston And/or Con-Rod 2
- Replace Housing, Engine Vent-Timing Case 1
- How to Replace (Y 30 DT) the Excess Pressure Valve in the Oil Circuit
- How to Replace (Y 30 DT) the Intake Pipe for Oil Pump 2
- How to Replace (Y 30 DT) the Oil Dipstick Guide Tube 4
- How to Remove and Install (Y 30 DT) the Oil Pump 2
- How to Replace (Y 30 DT) the Oil Pump Pressure-Regulating Valve
- How to Replace (Y 30 DT the Bracket, Engine Damping Block (Rear) (With AC, Rhd)) 7
- How to Replace (Y 30 DT) the Bracket, Left Engine Damping Block 4
- Engine Compartment Overview 3
- Illustration - Air Routing (Z 19 DTH) 1
- How to Check (Z 19 DTH) the Compression 2
- How to Check (Z 19 DTH) the Engine Pressure Loss 3
- How to Check and Adjust (Z 19 DTH) the Timing 7
- Replace Camshaft Housing (Up to MY 07.05) 11
- Remove and Install Both Camshafts (Up to MY 07.05) 12
- How to Replace (Z 19 DTH) the Gasket, Camshaft Housing 5
- How to Replace (Z 19 DTH) the Camshaft Drive Gear 3
- How to Replace (Z 19 DTH) the Camshaft Seal Ring 1
- How to Replace (Z 19 DTH) the All Hydraulic Valve Lifters 2
- How to Replace (Z 19 DTH) the All Roller Cam Followers 1
- How to Replace (Z 19 DTH) the Exhaust Gas Recirculation Valve 1
- How to Remove and Install (Z 19 DTH) the Oil Filter Housing 4
- How to Replace (Z 19 DTH) the Oil Dipstick Guide Tube 1
- How to Remove and Install (With AF40-6 Transmission Up to MY 06) the Oil Pan 3
- Oil Separator, Cylinder Block Ventilation. Replace (Z 19 DTH) 6
- How to Replace (Z 19 DTH) the Oil Condensation Pipe in Oil Pan 4
- How to Replace (Z 19 DTH the Engine Damping Block, Left and Right (AF40)) 6
- How to Replace (Z 19 DTH the Engine Damping Block (AF40)) 5
- How to Replace (Z 19 DTH) the One Piston And/or Con-Rod 4
- How to Replace the Piston Rings 4
- Check Con-Rod Play (With Plastigage) 2
- Check Crankshaft Longitudinal Play 14
- Check Crankshaft Bearing Clearance (Measure Bearing Clearance with Plastigage) 2
- Check Cylinder Block for Plane Surface 3
- Remove and Install Oil Spray Nozzles 1
- How to Check the Engine Oil Pressure 2
- Replace Valve Stem Seal 15
- DOHC Diesel Engine Z 30 DT - Engine Number / Code 1
- How to Check the Compression 3
- Check Engine Compression Loss 2
- Adjust Timing
- Check Valve Lash and Adjust 4
- Replace Ribbed V-Belt Guide Rollers 2
- Replace Toothed Belt 10
- Replace Toothed Belt Tension Roller
- Replace Guide Rollers of Both Toothed Belts 2
- Replace Both Camshaft Sprockets 4
- Replace Both Spur Gear Drive Intermediate Gears 3
- Replace Crankshaft Sprocket (Crankshaft Spur Gear) 1
- Replace Crankshaft (Front) Seal Ring 2
- Replace Toothed Belt Cover 1
- Replace Toothed Belt Drive Wheel Seal Ring 2
- Replace Engine Cover 1
- Replace Both Cylinder Head Covers 16
- Replace Lower Parts of Intake Manifold 5
- Replace Exhaust Gas Recirculation Valve 1
- Replace Torsional Vibration Damper 1
- Engine Oil with Oil Filter Change 2
- Replace Lower Part of Oil Pan 2
- Replace Oil Dipstick Guide Tube 1
- Replace Dynamic Oil Level Check Sensor 2
- Replace Engine Damping Block (Front) 2
- Replace Rear Engine Damping Block 1
- Replace Left-Hand Engine Damping Block 7
- Replace Right-Hand Engine Damping Block 3
- Replace Rear Engine Damping Block Adapter 6
- Replace Right-Hand Engine Damping Block Adapter 2
- Replace Left-Hand Engine Damping Block Adapter 7
- Torque Guide Values
- How to Replace the Vacuum Pump 8
- How to Replace the Both Camshaft Seal Rings 2
- How to Remove and Install the Drive Disc 1
- Remove and Install Flywheel 2
- Check Crankshaft Bearing Play (With Micrometer and Interior Measuring Gauge) 15
- Check Crankshaft Bearing Play (With Plastigage) 13
- Remove Engine Venting Cover, Cylinder Block 3
- Housing, Engine Venting, Timing Case Replace 1
- How to Replace the Oil Pump Pressure Regulating Valve
- How to Remove and Install the Oil Pump 2
- Measure Piston Projection 3
- Check Camshaft Housing for Plane Surface 1
- Replace All Camshafts 21
- Replace Both Camshaft Sprocket Housings. 10
- Replace Heat Shield Sleeves
- Replace One Piston/con-Rod 1
- Replace One Con-Rod Bearing 8
- Check Con-Rod Play (With External Micrometer and Internal Dial Gauge) 4
- Repair Engine Using Part Engine 42
- Checking and Adjustment Values
- Ribbed V-Belt
- Replace Ribbed V-Belt Lower Guide Roller 1
- Replace Camshaft Housing (As of MY 07.05) 12
- Remove and Install Both Camshafts (As of MY 07.05) 12
- Replace Camshaft Housing Gasket (As of MY 07.05) 6