General
Modifications which affect the Calibra as of Model Year 97 1/2 are described in the "All Vehicle Types" section. The most important modification is:
- Measures on the X 25 XE engine
Home/Opel/Calibra/Opel Calibra I (1990-1997)/Repair manual/DOHC Petrol Engine/Modifications in Model Year 97.5
Contents
Section: DOHC Petrol Engine- Alternator V-Belt
- Heat Exchanger Cover, Engine Oil and Engine Vent Housing
- Engine Number
- Altered Toothed Belt Assembly Sequence
- Correction of Engine Oil Filling Quantities
- Marking of Engine Blocks or Short Blocks
- Engines with Two-Part Oil Pans (Alum. Upper Part, Sheet Metal Lower)
- Sealing of Heat Exchanger Cover with New Silicone Sealing Compound
- Oil Leak Between Cylinder Block Oil Pan and Oil Pump
- X 25 XE V6 DOHC Petrol Engine Engine, Engine Att. Parts (Calibra)
- Modifications in Model Year 97.5
- Calibra All Vehicles - Engine, Engine Att. Parts
- Engine Data, Performance Figures, Fuel Consumption Figures, Calibra
- Survey of Engines, Mixture and Ignition Systems Calibra (C20LET, X20XEV, C25XE)
- New X 20 XEV DOHC Petrol Engine
- Engine-Specific Charact. Data X 20 XEV
- Perspective View - Intake Side (X20XEV)
- Perspective View - Exhaust Side (X20XEV)
- Description of Individual Engine Components (X20XEV)
- Survey of Engine Compartment
- Noise Reduction, X 25 XE and X 30 XE Engines
- C 25 XE DOHC V6 Petrol Engine
- Routing of Crankshaft Pulse Pick-Up Wiring Harness
- Oil Pan X20XEV and X17DT
- Changed Technical Data
- Engine Code Number
- Damage to Con-Rod Bearing of Cylinder 1 After Replacement of Oil Pump/new Seal
- When Negotiating Left Curves at High Speed, Noises Generate from the Front.
- Engine Timing- Illustration 20 Xej, C 20 XE and C 20 LET Up to MY' 93
- Engine Timing - Illustration C 20 XE, X 20 XEV and C 20 LET as of MY' 93
- Cross Section - Illustration 20 Xej and C 20 XE Up to MY' 93
- Longitudinal Section - Illustration 20 Xej, C 20 XE and C 20 LET Up to MY' 93
- Intake Side - Illustration 20 Xej and C 20 XE Up to MY' 93
- Exhaust Side - Illustration 20 Xej and C 20 XE Up to MY' 93
- Cross Section - Illustration X 20 XEV
- Longitudinal Section - Illustration X 20 XEV
- Intake Side - Illustration X 20 XEV
- Exhaust Side - Illustration X 20 XEV
- Cross Section - Illustration C 20 LET
- Longitudinal Section - Illustration C 20 LET
- Intake Side - Illustration C 20 LET
- Exhaust Side - Illustration C 20 LET Up to MY' 93
- Safety Measures
- Technical Data - Recommended Torque Values (Checking and Adjusting Operations)
- How to Check and Adjust the V-Belt Tension
- How to Check the Ribbed V-Belt Tension
- How to Check the Compression
- How to Check the Pressure Loss
- How to Measure the Oil Temperature
- How to Check the Oil Pressure
- How to Measure General the Oil Consumption
- How to Measure Measuring Method the Oil Consumption
- How to Check and Adjust (Engines Up to MY' 93) the Timing
- How to Check and Adjust (Engines as of MY' 93) the Timing
- How to Adjust (Engines Up to MY' 93) the Toothed Belt Tension
- How to Adjust (Engines as of MY' 93) the Toothed Belt Tension
- How to Remove and Install the Resonator
- Illustration - Ribbed V-Belt Routing with Power Steering
- Illustration - Ribbed V-Belt Routing with Power Steering & AC
- Illustration - Engine Timing 20 Xej, C 20 XE and C 20 LET Up to MY' 93
- Illustration - Engine Timing C 20 XE, X 20 XEV and C 20 LET as of MY' 93
- Recommended Torque Values
- How to Replace (With Power Steering) the Ribbed V-Belt
- How to Replace (With Power Steering & AC) the Ribbed V-Belt
- How to Replace (With Power Steering) the Ribbed V-Belt Tension Roller
- How to Replace (With Power Steering & AC) the Ribbed V-Belt Tension Roller
- How to Replace (Engines Up to MY' 93) the Toothed Belt
- How to Replace (Engines as of MY' 93) the Toothed Belt
- How to Replace (Engines Up to MY' 93) the Toothed Belt Tension Roller
- How to Replace (Engines as of MY' 93) the Toothed Belt Tension Roller
- How to Replace (Engines Up to MY' 93) the Toothed Belt Guide Roller
- How to Replace (Engines as of MY' 93) the Toothed Belt Guide Roller
- How to Remove and Install the Rear Toothed Belt Cover
- Cylinder Head Recommended Torque Values
- How to Replace the Camshaft Seal Ring
- How to Remove and Install (20 Xej and C 20 XE) the Performance Header
- How to Remove and Install (20 Xej and C 20 XE) the Intake Manifold
- How to Remove and Install (C 20 LET) the Intake Manifold
- How to Remove and Install the Camshaft Pulleys
- How to Replace the Camshaft (Exhaust), Replace Camshaft (Intake)
- How to Remove and Install (20 Xej and C 20 XE) the Cylinder Head
- How to Remove and Install (C 20 LET) the Cylinder Head
- Cylinder Head Disassemble and Assemble
- Exhaust Valve (Sodium-Filled), Disposal (20 Xej, C 20 XE and C 20 LET)
- How to Overhaul Valve the Cylinder Head (Grind In)
- How to Overhaul Valve the Cylinder Head (Grind)
- How to Overhaul Valve Guide the Cylinder Head (Ream)
- How to Overhaul Valve Seat the Cylinder Head (Cut)
- How to Check for Plane Surface the Cylinder Head
- Crank Drive, Cylinder Block Recommended Torque Values
- How to Remove and Install the Flywheel
- How to Replace the Starter Ring Gear
- How to Replace (Transmission Installed) the Seal Ring, Crankshaft, Rear
- How to Replace (Transmission Removed) the Seal Ring, Crankshaft, Rear
- How to Remove and Install the Piston with Con-Rod
- How to Replace the Piston Rings
- How to Replace the Con-Rod Bearing
- How to Check (Determine Bearing Clearance with Plastigage) the Con-Rod Bearing Clearance
- How to Check (Determine Bearing Clearance with Micrometer and Inside Micrometer) the Con-Rod Bearing Clearance
- How to Replace the Con-Rod
- How to Remove and Install the Crankshaft
- How to Check the Crankshaft End Play
- How to Check (Determine Bearing Clearance with Plastigage) the Crankshaft Bearing Clearance
- How to Check (Determine Bearing Clearance with Micrometer and Inside Micrometer) the Crankshaft Bearing Clearance
- How to Check the Crankshaft Out-Of-Round
- How to Check for Plane Surface the Cylinder Block
- Oil Circuit Position of Oil Cooler (Up to MY' 93)
- Oil Circuit Recommended Torque Values
- How to Replace the Oil Filter
- How to Replace the Bypass Valve
- How to Remove and Install (Calibra Without AC) the Oil Cooler
- How to Remove and Install the Oil Pan
- How to Replace the Seal Ring - Front Crankshaft
- How to Remove and Install the Oil Pump
- How to Check the Oil Pump
- How to Replace the Temperature Regulator
- How to Replace the Safety Valve
- Cooling System Recommended Torque Values
- How to Check for Leaks (CO Content in Cooling System) the Engine
- How to Remove and Install (20 Xej the Thermostat Housing (C 20 XE and C 20 LET))
- Engine Damping Blocks, Engine, Short-Block Recommended Torque Values
- How to Remove and Install (With Power Steering and AC) the Support for Auxiliary Aggregates
- How to Remove and Install (20 Xej & C 20 XE Without Pot Flywheel) the Engine Without Transmission
- How to Remove and Install (With Pot Flywheel) the Engine with Transmission
- How to Repair Using Short-Block the Engine
- Recommended Torque Values (Turbocharging System)
- How to Remove and Install (In Conjunction with V-Belt and 4x4) the Alternator
- How to Remove and Install (In Conjunction with V-Belt and Fwd) the Alternator
- How to Remove and Install (In Conjunction with Ribbed V-Belt and 4x4) the Alternator
- How to Remove and Install (In Conjunction with Ribbed V-Belt and Fwd) the Alternator
- Technical Data Drive Belts
- Technical Data - Oil Circuit Engine Oil Viscosity
- Technical Data - Oil Circuit Adjustment/checking Values
- Technical Data Cylinder Head
- Technical Data - Cylinder Head Valve Dimensions (20XEJ,C20XE,C20LET)
- Technical Data - Cylinder Head Valve Dimensions (C20XE as of MY'93)
- Technical Data - Cylinder Head Valve Dimensions (X20XEV)
- Technical Data - Cylinder Head Valve Seat Reworking
- Technical Data Intake and Exhaust Camshaft
- Technical Data - Cylinder Bore (Crank Drive, Cylinder Block)
- Technical Data - Piston (Crank Drive, Cylinder Block)
- Technical Data - Piston Rings (Crank Drive, Cylinder Block)
- Technical Data - Piston Pin (Crank Drive, Cylinder Block)
- Technical Data - Con-Rod (Crank Drive, Cylinder Block)
- Technical Data Crankshaft Grinding Dimensions & Bearing Shells
- Technical Data - Crankshaft (Crank Drive, Cylinder Block)
- Technical Data - Flywheel (Crank Drive, Cylinder Head)
- Technical Data - Idle Speed CO Content, Firing Angle
- Technical Data - Recommended Torque Values 20 Xej, C 20 XE, X 20 XEV and C 20 LET
- Illustration - C 25 XE View of Engine
- Illustration - C 25 XE Cross Section
- Illustration - C 25 XE Longitudinal Section
- Technical Data - Recommended Torque Values Chekcing and Adjusting Operations
- How to Measure the Oil Consumption
- How to Measure the Oil Consumption (Method)
- How to Check the Timing
- How to Adjust the Timing
- How to Check the Toothed Belt Tension
- How to Adjust the Toothed Belt Tension
- Illustration - Engine Timing Side Toothed Belt Routing
- Technical Data Recommended Torque Values
- How to Replace (With Power Steering and AC) the Ribbed V-Belt
- How to Replace the Ribbed V-Belt Tension Roller
- How to Remove and Install the Front Toothed Belt Cover
- How to Replace the Toothed Belt
- How to Remove and Install the Toothed Belt Tension Roller
- How to Remove and Install the Toothed Belt Guide Rollers
- How to Remove and Install the Bracket for Toothed Belt Tension Roller and Toothed Belt Guide Roller
- Illustration - Cylinder Head
- How to Replace the Spark Plugs
- How to Remove and Install the Cylinder Head Cover for Cylinders 1-3-5
- How to Remove and Install the Cylinder Head Cover for Cylinders 2-4-6
- How to Remove and Install the Camshaft Pulleys for Cylinders 1-3-5
- How to Remove and Install the Camshaft Pulleys for Cylinders 2-4-6
- How to Remove and Install the Camshafts for Cylinders 1-3-5
- How to Remove and Install the Camshafts for Cylinders 2-4-6
- How to Remove and Install the Exhaust Manifold for Cylinders 1-3-5
- How to Remove and Install the Exhaust Manifold for Cylinders 2-4-6
- How to Remove and Install the Cylinder Head for Cylinders 1-3-5 and 2-4-6
- Cylinder Head for Cylinders 1-3-5, Disassemble and Assemble
- Cylinder Head for Cylinders 2-4-6, Disassemble and Assemble
- How to Overhaul the Cylinder Head
- Valve, Grind In
- How to Check the Valve Stem Clearance
- Valve Guide, Ream
- Valve Seat, Cut
- Recommended Torque Values Crank Drive, Cylinder Block
- How to Remove and Install the Drive Disc
- How to Replace the Seal Ring - Rear Crankshaft
- How to Check the Piston Projection
- Illustrations - Oil Circuit
- Recommended Torque Values Oil Circuit
- How to Remove and Install the Dynamic Oil Level Control
- How to Remove and Install the Oil Baffle Plate
- How to Remove and Install the Oil Pressure Regulating Valve
- How to Remove and Install the Safety Valve
- How to Remove and Install the Heat Exchanger
- How to Remove and Install the Engine Vent Housing
- Recommended Torque Values Cooling System
- Recommended Torque Values Engine Damping Blocks, Engine, Short-Block
- How to Remove and Install (With Power Steering and AC) the Auxiliary Aggregates Support
- How to Replace the Engine Damping Blocks
- How to Remove and Install the Engine
- How to Assemble the New Short-Block
- Recommended Torque Values Engine Management System - Motronic M 2.8
- How to Remove and Install the Camshaft Sensor
- Special Service Tools V6 DOHC Petrol Engine (C 25 XE)
- Oil Circuit Engine Oil Viscosity
- Technical Data Adjustment/checking Values
- Technical Data - Cylinder Head Valve Dimensions
- Technical Data Intake/exhaust Camshafts
- Technical Data - Crank Drive Cylinder Grinding and Piston Dimensions
- Technical Data - Crank Drive Cylinder Bore
- Technical Data - Crank Drive Piston
- Technical Data - Crank Drive Piston Rings
- Technical Data - Crank Drive Piston Pin
- Technical Data - Crank Drive Crankshaft Grinding Dimensions / Bearing Shells
- Technical Data - Crank Drive Crankshaft
- Technical Data - Crank Drive Con-Rod
- Technical Data - Idle Speeds, CO Content, Firing Angle
- Recommended Torque Values V6 DOHC Petrol Engine
- How to Replace the Ribbed V-Belt for Hydraulic Pump (Vehicles as of MY' 93)
- ABS
- Accessories
- Additional Lighting
- Air Conditioning
- Airbag
- Antenna
- 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
- Check Control
- Clutch
- Clutch and Transmission
- Cooling System
- Corrosion Protection
- Did (Dual Info Display)
- Distributor Transmission Four Wheel Drive
- DOHC Petrol Engine
- Electrical Equipment and Instruments
- Electrical Window Winders
- Electronic Traction Control
- Engine and Engine Aggregates
- Engine Electrics
- 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
- Headlamps, Lamps and Horn
- Heating, Ventilation
- Immobiliser
- Instruments, Telltales
- Maintenance, Body and Chassis Sheet Metal Parts, Frame
- Manual Transmission Front Wheel Drive
- OHC Petrol Engine
- Other Accessories
- Outside Rear View Mirror
- Paint
- Painting Repair Operations
- Painting Repair System
- Power Steering
- Radiator Grille
- Radio
- Radio Interference Suppression
- Rear Axle and Rear Wheel Suspension
- Rear Axle Four Wheel Drive
- Rear Axle Front Wheel Drive
- Rear Wheel Brake
- Seat Heating Systems
- Seats, Upholstery, Inner Trim Panels
- Secondary Air Injection
- Service Brake, Parking Brake
- Sheet Metal Parts (Bolted)
- Sheet Metal Parts (Cement and Seal)
- Sheet Metal Parts (Welded)
- Sliding Roof
- Steering Damper
- Steering Gear
- Steering Linkage
- Steering Wheel - Steering Column
- Switches, Control Unit, Relays, Ignition Lock
- Trailer Hitch
- Trim Panels, Radiator Grille, Spoiler
- Trim Strips, Lettering, Coverings
- Turbo-Charging
- Wheels and Tyres
- Windscreen Wash/wipe System, Heated Screen
- Wiring Harnesses
