Here is the list:
1. Cooling System Leaks (70-80% of all E12s)
* Water pump failure
* Cracked cylinder head gaskets
* Radiator leaks
* Hoses cracking and bursting
2. Transmission Issues (40-50%)
* 4-speed manual transmission synchro problems
* 3-speed automatic transmission solenoid failures
* Gearbox oil leaks
3. Electrical System Problems (30-40%)
* Faulty alternators
* Starter motor failures
* Worn or loose connections
* Headlight and taillight assembly issues
4. Brake Issues (25-35%)
* Warped brake rotors
* Worn out brake pads
* Master cylinder leaks
* ABS problems
5. Fuel System Problems (20-30%)
* Clogged fuel filters
* Faulty fuel pumps
* Cracked or cracked head gaskets
* Fuel injectors clogging
6. Ignition System Issues (15-25%)
* Spark plug fouling
* Worn or loose spark plug wires
* Distributor cap and rotor problems
* Crankshaft position sensor failures
7. Suspension and Steering Problems (10-20%)
* Worn out control arm bushings
* Ball joint wear
* Rack and pinion leakage
* Coil spring collapse
8. Engine Oil Leaks (5-15%)
* Cracked or loose engine valve cover gaskets
* Piston ring land oil leaks
* Rear main seal failure
* Valve stem seal problems
9. Intermittent Starting Problems (5-10%)
* Faulty starter solenoid
* Ignition switch wear
* Crankshaft position sensor issues
* Alternator voltage regulator problems
10. Air Conditioning Issues (2-5%)
* Refrigerant leaks
* Compressor clutch failures
* Evaporator coil clogging
* Condenser fan motor problems
