BMW, 5 Series, E12, 528 (1974-1978) Common Issues
1. Water Pump Failure
Occurrence: 20%Cost to repair: $800Symptoms:
Coolant leak, overheating engine, low coolant level
2. Timing Chain Tensioner Rattle
Occurrence: 15%Cost to repair: $300Symptoms:
Rattling noise from the front of the engine when idling or decelerating
3. Rear Main Seal Leak
Occurrence: 18%Cost to repair: $1200Symptoms:
Oil leak from the transmission pan area, low oil level
4. Head Gasket Failure
Occurrence: 12%Cost to repair: $1500Symptoms:
Overheating engine, coolant leak, white smoke from the exhaust
5. Rear Axle Bearing Failure
Occurrence: 8%Cost to repair: $600Symptoms:
Grinding or clunking noise from the rear of the car when driving
6. Catalytic Converter Failure
Occurrence: 10%Cost to repair: $800Symptoms:
Rattling or hissing noise from the exhaust system, decreased performance
7. Vacuum Leak
Occurrence: 5%Cost to repair: $200Symptoms:
Idling issues, stumbling or hesitation when accelerating
8. Power Steering Pump Failure
Occurrence: 6%Cost to repair: $400Symptoms:
Whining or grinding noise from the power steering system
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