Distributor o-ring replacement
Get quotes for your MCC/Smart Forfour from independent specialists near you.
Australia's #1 booking site for car services & car repairs
Book now, pay later Interest-free payments
Transparent prices no surprises
*Available at select service providers. T&Cs apply.
MCC/Smart Forfour Distributor o-ring replacement
MCC/Smart Forfour distributor o ring replacement
If your early model or classic MCC/Smart Forfour has been leaking oil from the base of the distributor, it’s usually a sign that the distributor o-ring has failed and needs replacing. Because the distributor shaft enters the engine, a seal is required to stop oil from exiting the MCC/Smart Forfour’s engine and to stop contaminants from entering.
Since the MCC/Smart Forfour’s distributor is responsible for ‘telling’ the spark plugs when to fire, the timing needs to be precise. If a distributor moves out of alignment, it can create major timing issues and cause damage to the engine. When the spark plugs ignite the fuel at the wrong time, all other elements are no longer in sync and clean and efficient combustion can’t be achieved. This is when engine damage can occur on a MCC/Smart Forfour.
If the o-ring fails, it will need to be replaced as soon as possible. This can cost around $50 to $160 depending on the MCC/Smart Forfour and how easy it is to access the distributor. Leaking oil around the engine can create issues for electrical connectors and components inside the MCC/Smart Forfour’s engine bay. Also, if the distributor is not sealed properly it can cause engine damage. Best to have it fixed as soon as you can.
