Market Position:
        
        
            The Opel Calibra was a distinctive sports coupe that aimed to offer stylish design and performance at a more accessible price point, competing with models like the Ford Probe and Honda Prelude.
        
     
    
    
        
            Competitive Analysis:
        
        
            This manual is positioned as the definitive resource for Calibra owners and independent workshops, offering equivalent or superior coverage to dealership-level repair information, thereby enabling significant cost savings compared to professional servicing.
        
     
    
    
        
            Key Features:
        
        
            Comprehensive coverage, step-by-step instructions, exploded views, inclusion of vital electrical and wiring diagrams, extensive model year and variant coverage.
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine overhaul, maintenance, fuel system, ignition system, cooling system, lubrication system, exhaust system
        
     
    
        
            Transmission Systems:
        
        
            Manual and automatic transmission repair, overhaul, maintenance
        
     
    
        
            Chassis Systems:
        
        
            Brake system diagnosis and repair, suspension component replacement, steering system service
        
     
    
        
            Body Equipment:
        
        
            Body panel repair, door mechanisms, window regulators, interior trim, exterior trim, HVAC system
        
     
    
        
            Electrical Systems:
        
        
            Complete electrical diagrams, wiring harness repair, lighting systems, starting and charging systems, infotainment wiring
        
     
    
        
            Fuel System Details:
        
        
            Fuel pump testing, injector diagnosis, fuel pressure regulation, and emission control systems.
        
     
    
        
            Cooling System Details:
        
        
            Radiator, water pump, thermostat, fan operation, and coolant flow diagnostics.
        
     
    
        
            Lubrication System Details:
        
        
            Oil pump operation, oil filter considerations, and oil pressure testing.
        
     
    
        
            Suspension Details:
        
        
            MacPherson strut front suspension, independent rear suspension, control arm bushings, ball joint replacement, wheel bearing service.
        
     
    
        
            Brake System Details:
        
        
            Front and rear brake disc/drum specifications, brake pad/shoe replacement, brake caliper and cylinder service, hydraulic system bleeding.
        
     
    
    
        
            Maintenance Procedures:
        
        
            Scheduled maintenance, fluid level checks, filter replacement, spark plug replacement, belt inspection
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step repair instructions for all major components, including engine rebuilds, transmission overhauls, brake caliper replacement, suspension strut replacement
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting guides, common fault diagnosis, symptom-based troubleshooting
        
     
    
        
            Interior Trim Removal:
        
        
            Procedures for removing and refitting interior panels, seats, and dashboard components.
        
     
    
        
            Exterior Panel Replacement:
        
        
            Instructions for replacing body panels such as fenders, doors, hood, and trunk lid, including adjustment procedures.
        
     
    
        
            HVAC System Service:
        
        
            Heater core replacement, A/C system servicing (basic), blower motor replacement, control panel diagnosis.
        
     
    
    
        
            Technical Depth:
        
        
            Comprehensive from basic roadside repairs to complete engine and transmission overhauls, including detailed electrical schematics.
        
     
    
        
            Torque Specifications:
        
        
            Detailed torque specifications for critical engine, transmission, chassis, and body fasteners.
        
     
    
        
            Diagnostic Charts:
        
        
            Includes troubleshooting charts for common problems, guiding users through diagnostic steps.
        
     
 
    
    
    
        
            Engine Displacement Options:
        
        
            2.0L (C20NE, C20XE, X20XEV), 2.5L (C25XE, X25XE)
        
     
    
    
        
            Horsepower Range:
        
        
            115 hp (C20NE) to 170 hp (C25XE)
        
     
    
        
            Torque Range:
        
        
            170 Nm (C20NE) to 228 Nm (C25XE)
        
     
    
    
        
            Fuel System Type:
        
        
            Multi-point fuel injection (MPI) across most variants, some early models might have had slightly different injection systems.
        
     
    
    
        
            Engine Codes Covered:
        
        
            C20NE, C20XE (redtop), X20XEV, C25XE, X25XE
        
     
    
    
        
            Engine Layout:
        
        
            Inline 4-cylinder and V6 configurations
        
     
 
    
    
    
        
            Standard Transmission Type:
        
        
            5-speed Manual
        
     
    
    
        
            Optional Transmission Type:
        
        
            4-speed Automatic (e.g., GM 4L30-E)
        
     
    
    
        
            Drive Type:
        
        
            Front-Wheel Drive (FWD), with optional All-Wheel Drive (AWD) on certain engine variants (e.g., C20XE, C25XE)
        
     
    
    
        
            Gear Ratios Information:
        
        
            Detailed gear ratios for both manual and automatic transmissions included.
        
     
    
    
        
            Transmission Fluid Type Manual:
        
        
            GL-4 SAE 75W/80 or similar, manual transmission fluid (MTF)
        
     
    
        
            Transmission Fluid Type Automatic:
        
        
            Dexron III (or equivalent) automatic transmission fluid (ATF)
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 15,000 km or 12 months, whichever comes first (refer to manual for specific engine/oil type).
        
     
    
        
            Timing Belt Replacement:
        
        
            For 16V and V6 engines, typically every 60,000-90,000 km or 4-5 years, depending on engine and conditions. Crucial to follow manual recommendations to prevent catastrophic engine damage.
        
     
    
    
        
            Engine Oil Type 2.0L:
        
        
            API SG or higher, SAE 10W-40 or 15W-40 (check manual for specific viscosity and ACEA requirements).
        
     
    
        
            Engine Oil Type 2.5L:
        
        
            API SG or higher, SAE 10W-40 or 5W-40 recommended, especially for V6 variants (check manual).
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based antifreeze, mixed with distilled water in a 50/50 ratio. GM specification coolant is recommended.
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid.
        
     
    
    
        
            Common Issues:
        
        
            Rusting (especially wheel arches, sills, and rear strut mounts), dashboard pixelation (GID/MID displays), worn suspension bushings, cooling system leaks (especially heater matrix), power steering leaks, electrical gremlins, starter motor issues, door lock actuator failures.
        
     
    
    
        
            Oil Filter Part Number Example:
        
        
            Generic example: Mann-Filter W712/4, Mahle OC261 (specifics vary by engine, consult manual or parts catalog).
        
     
    
        
            Air Filter Part Number Example:
        
        
            Generic example: Mann-Filter C2210, Bosch F026400057 (specifics vary by engine, consult manual or parts catalog).
        
     
 
    
    
    
        
            Brand Heritage:
        
        
            Opel, a German automobile manufacturer, has a long history of producing diverse and innovative vehicles, often known for their robust engineering and practical design.
        
     
    
    
        
            Model Evolution:
        
        
            The Calibra was launched in 1989 as a replacement for the Opel Monza. It was praised for its aerodynamic design, achieving a drag coefficient of 0.26, which was a world record for production cars at the time. The model lineup expanded with various engine options and the introduction of AWD.
        
     
    
    
        
            Production Years:
        
        
            1989-1997
        
     
    
        
            Manufacturing Locations:
        
        
            Rüsselsheim, Germany; Ellesmere Port, United Kingdom (as Vauxhall Calibra); also assembled in South Korea (as Daewoo Calibra) and Brazil (as Chevrolet Calibra).