🏷️ Basic Information

Make:

Vauxhall

Model:

Astra

Platform Code:

Mk IV (G-Body)

Chassis Code:

T98

👋 Introduction

Target Audience:

Professional mechanics, DIY enthusiasts, workshop owners

Advantage:

Provides the same information as official dealer manuals, offering unparalleled accuracy and completeness.

Diagrams:

Thousands of step-by-step diagrams and illustrations

Data Accuracy:

Factory-approved data, torque settings, fluid capacities

Accessibility:

Instant download, accessible with a click

📋 Manual Details

Model Years Covered:

1998, 1999, 2000

Engine Variants Covered:

All Petrol and Diesel engines fitted to the Mk IV Astra during these years, including X14XE, X16XEL, X18XE, X20XEV, Z20LET (limited for 2000), Y17DT, Y20DTH.

Transmission Types Covered:

Manual and Automatic transmissions (F13, F17, F18, F23, AF13, AF17, AF20).

Estimated Page Count:

1500+

Type:

Official Workshop Service & Repair Manual

Language:

English

Format:

Acrobat PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, cylinder head, piston and connecting rod, crankshaft and flywheel, oil pump, water pump, timing belt/chain replacement, lubrication system, cooling system, engine management.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel filter, fuel lines, fuel pressure testing, emission control systems.

Ignition System:

Spark plugs, ignition coils, crankshaft position sensor, camshaft position sensor, ignition timing.

Exhaust System:

Exhaust manifold, catalytic converter, mufflers, exhaust pipes, oxygen sensors.

Transmission Manual:

Clutch, gearbox assembly, gear selection mechanism, driveshafts.

Transmission Automatic:

Torque converter, gearbox internal components, valve body, transmission control module, ATF fluid specification and service.

Brakes:

Brake fluid specifications, bleeding procedures, front and rear brake caliper and disc replacement, brake pad renewal, ABS system components and diagnostics, parking brake.

Suspension:

Front and rear suspension components (struts, shock absorbers, springs, control arms, anti-roll bars), wheel bearing replacement, alignment specifications.

Steering:

Steering column, steering rack, power steering pump, fluid specifications, tie rod ends, steering angle sensor.

Electrical System Basic:

Battery, starter motor, alternator, lighting system, fuses and relays, horn, wipers and washers.

Electrical System Advanced:

ECU diagnostics, sensor readings, immobiliser system, central locking, power windows, dashboard warning lights and their meaning, body control module (BCM).

Climate Control:

Air conditioning system (refrigerant type, pressure checks, component replacement), heater matrix, blower motor, climate control panel.

Body And Chassis:

Body panel removal and installation, door mechanisms, hood and trunk latches, bumper assembly, underbody protection, structural repairs (limited).

Interior Trim:

Dashboard removal, seat removal and adjustment, headliner, door panels, carpet.

Maintenance:

Oil and filter changes, air filter replacement, cabin filter replacement, spark plug replacement, coolant flush and replacement, brake fluid flush, transmission fluid service, tyre rotation and pressure checks.

Troubleshooting:

Diagnostic trouble codes (DTCs) interpretation, step-by-step diagnostic flowcharts for common faults, electrical circuit testing, component testing procedures.

Repair:

Engine rebuilds, cylinder head gasket replacement, timing belt replacement, clutch replacement, transmission overhaul, brake caliper rebuilding, suspension component replacement, radiator and cooling fan replacement, power steering pump replacement, starter and alternator replacement.

Diagnostics:

OBD-II system diagnostics, use of scan tools, live data interpretation, component-level electrical testing.

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all major systems, including engine control, ABS, airbags, lighting, power windows, central locking.

Depth:

Factory-level detail, covering everything from basic maintenance to complete engine and transmission rebuilds, including component specifications and torque values.

📊 Manual Specifications

Searchability:

Searchable PDF text

Compatibility:

Windows & MAC compatible

Printability:

Printable pages

Binding:

Digital Download (N/A)

Paper Type:

Digital Download (N/A)

⚙️ Engine Specifications

Engine Codes:

X14XE (1.4i 16v), X16XEL (1.6i 16v), X18XE (1.8i 16v), X20XEV (2.0i 16v), Z20LET (2.0i Turbo 16v - limited for 2000 model year), Y17DT (1.7 TD), Y20DTH (2.0 DTi).

1.4I 16V (X14Xe):

Power: 90 PS (89 bhp; 66 kW) @ 6000 rpm, Torque: 123 N⋅m (91 lb⋅ft) @ 4000 rpm

1.6I 16V (X16Xel):

Power: 100 PS (99 bhp; 74 kW) @ 6000 rpm, Torque: 150 N⋅m (111 lb⋅ft) @ 4000 rpm

1.8I 16V (X18Xe):

Power: 116 PS (114 bhp; 85 kW) @ 6000 rpm, Torque: 170 N⋅m (125 lb⋅ft) @ 4000 rpm

2.0I 16V (X20Xev):

Power: 136 PS (134 bhp; 100 kW) @ 6000 rpm, Torque: 188 N⋅m (139 lb⋅ft) @ 4000 rpm

2.0I Turbo 16V (Z20Let):

Power: 192 PS (189 bhp; 141 kW) @ 5500 rpm, Torque: 250 N⋅m (184 lb⋅ft) @ 1950 rpm

1.7 Td (Y17Dt):

Power: 75 PS (74 bhp; 55 kW) @ 4400 rpm, Torque: 168 N⋅m (124 lb⋅ft) @ 2400 rpm

2.0 Dti (Y20Dth):

Power: 100 PS (99 bhp; 74 kW) @ 4000 rpm, Torque: 215 N⋅m (159 lb⋅ft) @ 2000 rpm

Fuel Type:

Unleaded Petrol (95 RON recommended), Diesel

Injection Type:

Multi-point Fuel Injection (MPI) for petrol engines, Direct Injection (DI) for diesel engines

Emission Control:

Catalytic Converter, Exhaust Gas Recirculation (EGR)

🔧 Transmission

Manual:

5-speed Manual (F13, F17, F23)

Automatic:

4-speed Automatic (AF13, AF17, AF20)

Clutch Type:

Hydraulically operated dry single plate clutch

Transmission Fluid Manual:

API GL-4, SAE 75W-90 or 75W-80 (specific to gearbox model)

Transmission Fluid Automatic:

GM DEXRON III or equivalent

📐 Dimensions

Body Styles:

3-door Hatchback, 5-door Hatchback, 5-door Estate (Caravan), 4-door Saloon, 2-door Coupe (Vectra-based platform, not common for this Astra era), Convertible (Bertone)

Length:

Approx. 4264 mm (Hatchback)

Width:

Approx. 1709 mm (Hatchback)

Height:

Approx. 1420 mm (Hatchback)

Kerb Weight:

Varies by engine and body style, starting from approx. 1185 kg

🛡️ Safety Features

Euro Ncap Rating:

3.5 stars (early models), improved in later iterations. Specific rating depends on test year and equipment.

ABS:

Standard on most models, with EBD (Electronic Brakeforce Distribution)

Traction Control:

Optional on some higher-spec models

Airbags:

Driver and front passenger airbags standard, side airbags optional.

Seatbelts:

Pre-tensioned front seatbelts, three-point rear seatbelts.

Child Seat Anchors:

ISOFIX mounting points on rear outer seats (optional on some early models).

💡 Technology Features

Audio System:

Factory fitted radio/cassette or CD players. Optional CD autochangers. Basic speaker systems.

Parking Sensors:

Not available on this generation.

Cruise Control:

Optional on higher-spec models.

Bluetooth:

Not factory fitted on this generation.

Air Conditioning:

Optional on many models, manual or basic climate control on higher trims.

🔧 Maintenance

Oil Change Interval Petrol:

Every 10,000 miles or 12 months, whichever comes first.

Oil Change Interval Diesel:

Every 10,000 miles or 12 months, whichever comes first.

Timing Belt Replacement:

Typically every 60,000 miles or 5 years (check specific engine, e.g., X16XEL). Crucial to adhere to prevent catastrophic engine damage.

Engine Oil Petrol:

SAE 5W-30 or 5W-40, API SJ/SL or ACEA A3/B3

Engine Oil Diesel:

SAE 10W-40 or 5W-40, API CF/CG-4 or ACEA B3/B4

Coolant:

GM/Vauxhall Longlife Coolant (Blue or Pink depending on formulation), 50/50 mix with distilled water.

Brake Fluid:

DOT 4

Engine Management:

EGR valve clogging (especially on diesel engines), ignition coil failure (on 16v petrol engines), lambda sensor failure.

Cooling System:

Thermostat failure, radiator leaks, water pump failure (often replaced with timing belt).

Suspension:

Front droplink wear, worn suspension bushes leading to knocking noises, front wheel bearing premature wear.

Electrical:

Faulty door lock actuators, instrument cluster failures (dead pixels), OSR indicator light failure due to poor earth.

Exhaust:

Catalytic converter failure, exhaust manifold cracks (on some older petrol engines).

📚 Vehicle History

Vauxhall History:

Vauxhall, a British automotive manufacturer, has a long history dating back to 1894. Known for producing popular and accessible vehicles for the UK market.

Astra Mk4 Context:

The Mk IV Astra (T98) was launched in 1998 as a successor to the successful Mk III Astra. It marked a significant styling evolution with more rounded lines and a modern interior. It was based on Opel's new Astra G platform.

Production Period:

1998-2004 (Mk IV/G generation), with this manual covering the initial 1998-2000 phase.

Manufacturing Locations:

Primarily Ellesmere Port, United Kingdom, and Antwerp, Belgium.

🏆 Awards & Recognition

Common Reviews:

Praised for its comfortable ride, spacious interior for its class, and sensible pricing upon release. Competed effectively against rivals like the Ford Focus and Volkswagen Golf Mk IV.

Owner Satisfaction:

Mixed to positive, depending on model year and engine. Known for reliability when maintained correctly, but some electrical and suspension issues can arise.