Engine Weaknesses
From Citroen SM Wiki
Real Weaknesses
| Problem | Type | See |
|---|---|---|
| Oil pump shaft is slightly too short | Design | Oil Pump Driveshaft |
| Primary chain tensioner | Design | Primary Chain Tensioner |
| No oil to Primary Chain | Design | Primary Chain Oil Spray |
| York Compressor caused shocks on intermediate shaft | Design | Air Conditioning |
| Early oil pickups can crack, leading to air in system | Design | Oil Pickup Modification |
| Early fuel injectors | Design | Danger |
| Sodium-filled exhaust valves | Age-related | Danger |
| Fuel and Oil hoses | Age-related | Danger |
| Starter circuit overloads ignition switch | Design | Ignition Switch |
| Early Water Pump seal is flawed | Design | Water Pump |
Rumored (but not factual) Weaknesses
- primary timing gear press-fit on crankshaft
- - It was rumored that it could slip.
- - If it ever did, it was a one-engine thing. No change recommended.
