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I have tried wire brush on a drill press -high speed. This will remove crud. Make sure not to hit stem that enters valve guide.
BUT I would only recommend: Take them to a rebuilding shop for sandblasting. Any decent shop will throw in quick valve inspection and free advice.
Be sure to tag each valve with colored twist ties, tags, etc. Ink might be removed. The shop will have its own I.D. method.
What else can I help you with?
What car has a 4 cylinder 24 valve engine?
No 4 cylinder car has 24 valves. Only 16. A V6 has 24 valves -reply- no your wrong.. the 2010 Mazda 3 is a 4 cylinder inline engine with 24 valves
What causes a knocking noise under the hood of your car?
it could be your valves or your engine
What is a cam ON A CAR?
The cam is in the engine and it is what opens and closes the intake and exaust valves
What does incomplete combustion do to the engine of a car?
Incomplete combustion in an engine indicates that all of the fuel has not been burnt. Incomplete combustion can cause clogging and damage to the valves in the engine of a car.
Function of valve?
The valves in a car engine are opened and closed by a cam shaft driven by the engine crankshaft. they allow the flow of gases and fuel into the engine and the burnt gases out of the engine into the exhaust system.
What happens to a car when the timing belt fails?
It depends if the engine is an interference engine. On an interference engine the positions will hit the valves and severe internal engine damage results.
Is a 1.6i 8valve engine ok for a big car?
no an 1600 cc engine is good for a medium hatch like Toyota corolla and 8 valves suck that means there are only two valves in every cylinder most cars have 16/24 or 48 valves
Why would your car smell of engine smoke?
because one of the valves arnt closing or opening properly
What does v car mean?
if you are talking about v-tech, it's a symbol of the way the valves in the engine are faced.
What type of car engine is it when the pistons and valves will not smash into each other if the timing chain broke?
Noninterference
What effect does excessive revving have on your car engine?
Excessive revving of an engine causes overpressure in the crankcase. It causes unhealthy expansion in the pistons and the valves.
How do you clean a car engine?
Beware! Cleaning a car's engine might be illegal in your state as per EPA directive, please check your local state laws before trying to clean an engine as the waste from an engine clean can be toxic and needs to be properly disposed off, there are a handful of EPA approved car wash businesses around that you can take your car to for a clean. If it is allowed in your state then warm up your cars engine shut it off cover the car's ECU, spark plugs and wires with plastic and then either use a steam cleaner or waster in a bucket (with car de-greaser and then car wash shampoo) and clean away be sure you leave the hood open so the engine air dryes.
