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LOTUS Turbo ESPRIT 1980-1987 Service Repair Manual
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Basic Information Identification Make: Lotus Model: Esprit Turbo Years Covered: 1980-1987 Generation Esprit Generation: X180 (initially designated Type 82, later becoming the X180 generation with styling updates) Introduction Market Position...
Taper: Cars
Distributeur:
UGS: 419467
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| Basic Information | |
| Identification | |
| Make: | Lotus |
| Model: | Esprit Turbo |
| Years Covered: | 1980-1987 |
| Generation | |
| Esprit Generation: | X180 (initially designated Type 82, later becoming the X180 generation with styling updates) |
| Introduction | |
| Market Position | |
| Vehicle Class: | Mid-engine, rear-wheel-drive sports car. |
| Positioning: | High-performance exotic sports car with a focus on advanced engineering and lightweight construction. |
| Competitive Analysis | |
| Key Competitors: | Ferrari 308/328, Porsche 911, Lamborghini Jalpa. |
| Key Features | |
| Design Philosophy: | Lotus's signature emphasis on handling, aerodynamics, and lightweight construction. |
| Performance Enhancement: | Introduction of turbocharging significantly boosted power output over naturally aspirated models. |
| Construction: | Fiberglass reinforced plastic (FRP) monocoque chassis with steel backbone, offering a lightweight and rigid platform. |
| Manual Details | |
| Coverage Areas | |
| Manual Type: | Workshop Service Repair Manual |
| Language: | English |
| File Format: | |
| Delivery Method: | Instant Download |
| Print Quality: | Full Printable |
| Zoom Capability: | Yes |
| Manual Coverage | |
| Systems Covered | |
| Engine Mechanical: | Detailed overhaul, inspection, and repair of the Lotus 900 series turbocharged engine. |
| Engine Fuel System: | Bosch K-Jetronic fuel injection system diagnosis, adjustment, and component repair. |
| Engine Cooling System: | Radiator, fan, thermostat, coolant lines, and pump servicing. |
| Engine Lubrication System: | Oil pump, oil filter, oil cooler, and lubrication passages. |
| Turbocharger System: | Garrett turbocharger unit, intercooler, boost control, and related plumbing. |
| Exhaust System: | Exhaust manifold, catalytic converter (if applicable), mufflers, and pipes. |
| Transmission Manual: | Renault UN1 transaxle overhaul, clutch operation, and gearbox servicing. |
| Transmission Clutch: | Clutch assembly, hydraulic system, and release bearing replacement. |
| Drive Axles: | Half-shafts, CV joints, and differential servicing. |
| Suspension Front: | Double wishbone, coil springs, dampers, anti-roll bar, and steering linkage. |
| Suspension Rear: | Trailing arms, Watt's linkage, coil springs, dampers, and anti-roll bar. |
| Brakes Hydraulic: | Brake pedal, master cylinder, brake lines, and booster operation. |
| Brakes Disc: | Front and rear disc brake caliper overhaul, pad replacement, and rotor servicing. |
| Steering System: | Rack and pinion steering, steering column, and power steering pump (if equipped). |
| Electrical System: | Wiring diagrams, battery, alternator, starter motor, lighting, and ignition system. |
| Body Chassis: | Fiberglass monocoque construction, chassis frame, and body panel repair. |
| Interior Trim: | Dashboard, seats, door panels, and headliner removal and installation. |
| Climate Control: | Air conditioning system diagnosis and repair, heater core servicing. |
| Wheels Tires: | Wheel types, tire sizes, mounting, and balancing. |
| Procedures Included | |
| Routine Maintenance: | Oil changes, filter replacements, fluid level checks, and general inspections. |
| Engine Rebuild: | Complete engine disassembly, inspection of components, machining, and reassembly. |
| Transmission Overhaul: | Detailed steps for disassembling, inspecting, and reassembling the Renault UN1 transaxle. |
| Brake System Repair: | Calipers, master cylinder, brake lines, and bleeding procedures. |
| Suspension Alignment: | Front and rear wheel alignment specifications and procedures. |
| Electrical Troubleshooting: | Fault diagnosis using wiring diagrams and component testing. |
| Fuel Injection Tuning: | Diagnosis and adjustment of the K-Jetronic system for optimal performance. |
| Turbocharger Diagnosis: | Identifying and rectifying issues related to turbocharger operation and boost pressure. |
| Body Panel Repair: | Fiberglass bodywork repair techniques, including patching and reinforcement. |
| Diagnostic Troubleshooting: | Step-by-step guides for diagnosing common and complex problems. |
| Technical Depth | |
| Depth Level: | Comprehensive, from basic maintenance to complete engine and transmission rebuilds. |
| Diagram Quality: | Top quality diagrams and illustrations aiding in disassembly and assembly. |
| Manual Specifications | |
| File Specifications | |
| Binding Type: | Digital (PDF download) |
| Paper Type: | N/A (Digital) |
| Searchable Text: | Implied by PDF format, allowing for keyword searching. |
| Software Requirements: | Adobe PDF Reader, WinZip (for initial extraction if zipped) |
| Compatibility: | All Versions of Windows & Mac |
| Engine Specifications | |
| Primary Engine | |
| Engine Type: | Lotus 900 Series turbocharged inline-four cylinder |
| Displacement: | 2.2 liters (2174 cc) |
| Bore X Stroke: | 95.0 mm x 97.3 mm |
| Compression Ratio: | 8.0:1 (typical) |
| Valvetrain: | DOHC, 16 valves |
| Performance | |
| Horsepower Est: | 210-215 bhp @ 6000 rpm (depending on market and specific tune) |
| Torque Est: | 210-220 lb-ft @ 4000 rpm (depending on market and specific tune) |
| 0-60 Mph Est: | 5.0 - 5.5 seconds |
| Fuel System | |
| Fuel Delivery: | Bosch K-Jetronic mechanical fuel injection |
| Fuel Type: | Unleaded Premium Gasoline |
| Turbocharger | |
| Turbocharger Model: | Garrett AiResearch T3 |
| Boost Pressure: | Approximately 10-12 psi (0.7-0.8 bar) |
| Transmission | |
| Standard | |
| Type: | Renault UN1 5-speed manual transaxle |
| Optional | |
| Type: | Not typically offered with an automatic transmission during this period. |
| Features | |
| Gear Ratios: | Specific ratios available in manual for each gear. |
| Fluid Type: | GL-4 or GL-5 manual transmission fluid, viscosity typically 75W-90 or 80W-90. |
| Dimensions | |
| Exterior | |
| Length: | Approximately 4200-4300 mm (varies slightly by model year) |
| Width: | Approximately 1900-2000 mm |
| Height: | Approximately 1150-1170 mm |
| Wheelbase: | Approximately 2400-2450 mm |
| Weights | |
| Curb Weight: | Approximately 1300-1400 kg |
| Weight Distribution: | Designed for optimal mid-engine balance. |
| Safety Features | |
| Ratings | |
| Crash Test Data: | Limited formal crash testing data available from the era; focus was on active safety. |
| Active Features | |
| Handling Dynamics: | Renowned Lotus handling characteristics due to lightweight, mid-engine layout, and sophisticated suspension. |
| Braking System: | Four-wheel disc brakes for effective stopping power. |
| Passive Features | |
| Seatbelts: | Three-point inertia reel seatbelts. |
| Chassis Structure: | Fiberglass monocoque and steel backbone offer a rigid safety cell. |
| Technology Features | |
| Infotainment | |
| Audio System: | Basic AM/FM radio with cassette player, often aftermarket upgrades available. |
| Driver Assistance | |
| ABS: | Anti-lock braking system (ABS) was not standard on all models during this period but became available on later versions. |
| Connectivity | |
| Connectivity Features: | None by modern standards; focus was on the driving experience. |
| Maintenance | |
| Service Intervals | |
| Oil Change: | Typically every 5,000 miles or 6 months, whichever comes first. |
| Tune Up: | Spark plugs, distributor cap, rotor, and ignition timing checks as per manual recommendations. |
| Timing Belt: | N/A (chain-driven camshafts) |
| Fluid Specifications | |
| Engine Oil: | 10W-40 or 20W-50 synthetic or semi-synthetic oil (refer to manual for specific grade and capacity). |
| Coolant: | Ethylene glycol-based antifreeze mixture (50/50) with corrosion inhibitors. |
| Brake Fluid: | DOT 3 or DOT 4 brake fluid. |
| Known Issues | |
| Electrical Gremlins: | Common for vehicles of this era, often related to aging wiring harnesses and connections. |
| Turbocharger Reliability: | Can be sensitive to oil quality and regular maintenance; potential for seal failures if neglected. |
| Fiberglass Cracking: | Minor stress cracks can develop over time, particularly around panel edges and mounting points. |
| K Jetronic Maintenance: | Requires precise adjustment and can be susceptible to dirt ingress in the fuel distributor. |
| Clutch Wear: | Clutch wear is dependent on driving style but requires regular inspection. |
| Vehicle History | |
| Brand Heritage | |
| Lotus Philosophy: | Founder Colin Chapman's 'simplify, then add lightness' principle. |
| Model Evolution | |
| Esprit Development: | Evolved from the S1/S2/S3 naturally aspirated models with the introduction of turbocharging for enhanced performance. |
| Styling Updates: | Styling by Giorgetto Giugiaro (early models) and Peter Stevens (later X180 models) introduced during this timeframe. |
| Production | |
| Manufacturing Location: | Hethel, Norfolk, United Kingdom |
| Awards & Recognition | |
| Recognitions | |
| Performance Accolades: | Consistently praised for its exceptional handling and performance figures for its time. |