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Oil Pan Gasket Replacement in Vantaa
A leaking sump gasket leaves oil stains on the driveway — repair before oil runs out.
A hidden small leak after overheating can drop oil level significantly within a week.
Sump gasket replacement pricing:
- Sump gasket replacement – 349 €
- Liquid gasket (modern engines) – included
- Oil and filter renewed – included
- Engine underside cleaning – included
- Test drive and leak check included
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Sump gasket replacement
Price includes gasket, oil and filter. Engine underside is cleaned so any new leak shows immediately.
from349 €
When a sump gasket needs replacing
The sump gasket keeps oil inside the engine. The gasket is either a rubber/paper/adhesive structure or, on modern engines, a silicone bead that seals the sump against the block. The gasket wears over the years and starts leaking — a small drip onto the driveway or dampness on the engine's underside are clear signs. An oil leak can also indicate other problems: the crankcase pressure has risen from worn piston rings, and that stresses the gasket to fail faster. The leak should be fixed promptly — oil loss leads to reduced lubrication and possible engine damage.
How a sump gasket is replaced
The engine underbody tray is removed and the sump is lowered. The old gasket is removed carefully — both sump and block sealing faces are cleaned chemically. Even a small oil trace prevents a new gasket from sealing properly. A new gasket (paper or liquid) is fitted per manufacturer procedure. Liquid gasket (most common on modern cars) is applied in a specific silicone bead along the manufacturer-specified line — too thick or thin and you get immediate leaks. The sump is refitted in a cross pattern (the cross pattern gives even tightening) and the engine is filled with oil. The test drive monitors for leaks.
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Why do sump gaskets start leaking?
Leaks usually start from heat cycling: the gasket material contracts and expands with every warm-up cycle, and over time it loses its elasticity. Cold frost plus a hot engine accelerates the process. Another common cause is overtightened sump bolts — if a bolt is torqued too much, the gasket is squeezed out too thin and begins to seep. Raised crankcase pressure (from worn piston rings) also stresses the gasket: if breather isn't working properly, pressure tries to force the gasket open.
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