Engine Mechanical:
Full disassembly, assembly, overhaul, component inspection, tolerances
Engine Fuel System Carbureted:
Weber/Solex carburetor tuning, rebuild, maintenance
Engine Fuel System Injection:
Bosch K-Jetronic fuel injection system diagnostics, troubleshooting, component testing, pressure regulation
Ignition System:
Distributor, coil, spark plugs, timing adjustments, troubleshooting
Cooling System:
Radiator, thermostat, water pump, hoses, coolant specifications, bleeding procedures
Lubrication System:
Oil pump, oil filter, oil pan, oil specifications, oil change procedures
Exhaust System:
Mufflers, catalytic converter (if applicable), pipes, heat shields, replacement
Transmission Manual:
Clutch assembly, gearbox overhaul, gear selection, fluid specifications
Transmission Automatic:
Fluid level checks, filter replacement, basic troubleshooting, torque converter
Drivetrain Rear Axle:
Differential overhaul, axle shafts, bearings, fluid specifications
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, wheel alignment procedures
Suspension Rear:
Semi-trailing arms, shock absorbers, springs, bushings, wheel alignment
Steering System:
Steering rack, tie rods, steering column, fluid specifications (for power steering), troubleshooting
Braking System:
Front discs, rear drums (typical), calipers, master cylinder, brake lines, bleeding, pad/shoe replacement, rotor specifications
Electrical System Charging:
Alternator, voltage regulator, battery testing and replacement
Electrical System Starting:
Starter motor, solenoid, ignition switch, testing
Electrical System Lighting:
Headlights, taillights, interior lights, bulb specifications, wiring diagrams
Electrical System Accessories:
Wipers, washers, horn, power windows (if equipped), fuses, relays
Body And Chassis:
Body panel repair, rust prevention, door mechanisms, glass replacement, sealants
Heating And Ventilation:
HVAC system, blower motor, heater core, ventilation controls, cabin filters (if applicable)
Routine Maintenance:
Oil changes, filter replacements, fluid top-offs, tire rotation, spark plug checks
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults
Component Replacement:
Step-by-step guides for replacing major and minor components
Rebuilding And Overhaul:
Detailed instructions for engine, transmission, and differential rebuilds
Adjustment Procedures:
Valve adjustments, ignition timing, carburetor idle speed, brake adjustments
Wiring Diagrams:
Comprehensive electrical schematics for various systems
Depth:
Comprehensive (covering routine maintenance to complete engine/transmission rebuilds)
Diagnostic Codes:
While OBD-I/OBD-II were nascent, the manual would cover diagnostic checks using multimeters and basic logic testers, not electronic scan tools as we know them today.
Engine Type:
Inline-4 Cylinder, SOHC
Displacement:
1766 cc (1.8 Liters)
Bore X Stroke:
89.0 mm x 71.0 mm
Compression Ratio Carb:
8.3:1 (typical for M10B18 carb)
Compression Ratio Injection:
9.4:1 (typical for M10B18 K-Jetronic)
Horsepower Carb:
90 PS (89 bhp / 66 kW) at 5400 rpm (typical)
Torque Carb:
14.3 kg⋅m (140 N⋅m / 103 lb⋅ft) at 3200 rpm (typical)
Horsepower Injection:
99 PS (98 bhp / 73 kW) at 5500 rpm (typical)
Torque Injection:
14.5 kg⋅m (142 N⋅m / 105 lb⋅ft) at 3700 rpm (typical)
Carbureted Model Fuel Delivery:
Single downdraft carburetor (e.g., Pierburg 2B4 or Solex 40 DDITA)
Fuel Injected Model Fuel Delivery:
Bosch CIS (Continuous Injection System) K-Jetronic mechanical fuel injection
Fuel Type:
Unleaded Gasoline (91 RON / 87 AKI recommended)
Block Material:
Cast Iron
Head Material:
Aluminum Alloy
Oil Change Interval:
Typically 5,000-10,000 miles (8,000-16,000 km) or 6-12 months, whichever comes first, depending on driving conditions and oil quality used.
Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Every 30,000 miles (48,000 km), depending on plug type.
Coolant Flush:
Every 2 years or 30,000 miles (48,000 km).
Timing Belt Replacement:
The M10 engine uses a timing chain, not a belt, requiring no regular replacement unless issues arise.
Engine Oil Type:
API SG or SF, SAE 15W-40 or 10W-40 (check manual for specific viscosity based on ambient temperature).
Engine Oil Capacity:
Approx. 4.5 liters (4.8 US quarts) with filter change
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio).
Brake Fluid Type:
DOT 3 or DOT 4
Common E30 Issues 1:
Front and rear subframe mounting points cracking, rear shock mounts failing, rust (especially around wheel arches, sills, and sunroof panel).
Common E30 Issues 2:
Fuel distributor leaks (K-Jetronic), distributor cap/rotor wear, vacuum leaks, old rubber hoses and bushings deteriorating.
Common E30 Issues 3:
Heater control valve failure, dashboard instrument cluster intermittent issues.
Cooling System Weakness:
Plastic coolant expansion tanks can become brittle and crack.