How much for valve stem seals replacement in the UK? What are the typical signs of a bad valve seal and should I continue driving in case of a defect? Plus: The best savings tips and how to get free quotes.
How much does valve stem seals replacement cost in the UK?
» Average price range: £360 – £1,600
Example: Valve stem seals replacement cost – BMW e90
New valve stem seals
£15 – £25
New oil filter
£15 – £25
New valve cover gasket
£25 – £45
New engine oil
£30 – £65
New cylinder head gasket
£65 – £135
Labour cost (depends on hourly rate)
£300 – £850
£450 – £1,145
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What are valve stem seals and what do they do?
Valve stem seals replacement: What are the costs made up of?
Ratio material / labour costs: ~ 1:3
The most decisive cost factor → How easily are the valve stem seals accessable?
As you have seen, the labour cost is usually the biggest part of the cost of changing the valve stem seals. Decisive for the number of working hours and therefore the labour costs is the accessibility of the valve stem seals.
As a rule, the mechanic can reach these more easily and quickly in older car models than in newer models. This is due to the fact that the individual parts of modern vehicles are often installed more closely and more complex.
Signs / symptoms of faulty or bad valve stem seals
In some cases it is possible to identify bad valve stem seals by certain signs and symptoms before more expensive subsequent damages occur.
Valve seals are wear and tear parts – with increased aging the surface can become brittle and thereby leak.
This is because it is located near the firebox and is subjected to extremely high temperatures.
It is also possible that the valve seals become brittle if the sealing lip is damaged.
The easiest way to recognize a high wearout, or faulty valve stem seals is to check for the following symptoms:
» increased oil consumption
» blue coloured exhaust gases from exhaust pipe with cold start
» excessive exhaust fume when changing the gear
» blue gas im crankcase and im air filter
Can I drive with bad valve stem seals?
» Visit a workshop soon!