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Some heads have replaceable guides and you just drive them out with the head off. Others need to be machined to have inserts installed.

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โˆ™ 2004-10-30 10:57:38
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Q: What is involved in replacing valve guides?
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How do you replace the valve guides on a 305 Chevy without removing the heads?

By using an air compressor to hold the valves shut, while you work on them. Each spark plug is removed and an adapter is used to screw into the plug location. This adapter is then connected to compressed air. Talk to may reputable mechanic and he can help you.The above answer is right WHEN replacing the VALVE SEALS. But the question was about replacing the valve guides. YOU MUST remove the heads and take them to a machine shop to have the valve guides replaced. NO OTHER WAY.

1993 ls 400 smokes only at start what's the probem?

It is possible that oil is seeping past the valve guides and into the combustion chamber. If your are burning oil, this is more likely the cause. Replacing the worn our valve will fix the problem.?æ

How much does it cost to change valve guides?

Ballpark estimate is $100 per hour labor plus parts, the new valve guides price.

Can you buy valve seal for Chevy?

Yes you can. I'd check the valve guides for wear while you're at it though. If the valve guides are bad a new seal isn't going to be a long term fix.

What does it mean when Exhaust is blowing blue smoke?

If it blows blue smoke when starting up, that is usually the valve guides need replacing. If it constantly blows blue smoke, you are looking at piston rings. Either way oil is getting into the combustion chamber. If it's valve guides, you need to have the heads looked at, if it is rings, the bottom of the engine needs to come out.

Cost of replacing a egr valve?

The cost of replacing an EGR valve varies with the make, model and location of the car. An EGR valve for a 1996 Lincoln Town Car is about $160.

Does your jeep have valve guides?


Can your replace the valve guides on a 93 Chevy 350 without removeing the heads if so how?

NO... You MUST remove the heads and take them to a machine shop and have the valve guides replaced. No other way.

Do you have to replace the proportioning valve when replacing the master cylinder?

No, not unless there is a problem with the valve which is rare.

Can a PCV valve get ruin after replacing a transmission?

No, the pcv valve is not even close to the transmission.

What can cause the engine oil to overflow onto the spark plugs of a car engine?

possible bad valve guides or blown head gasket possible bad valve guides or blown headgasket

What will the heads have to do with a 350 Chevy smoking and using oil?

Valve guides and/or valve seals can be worn. Allows oil to get into the combustion chamber.Oil consumption and smoking are signs of either bad piston rings or bad valve guides/valve seals.A compression check on each cylinder can help determine which.

How do you know if the modulator valve for a 1985 Chrysler fifth ave needs replacing?

It doesn't have a modulator valve.It doesn't have a modulator valve.

What does it mean when a car doesnt burn oil?

It means the piston rings, valve guides and valve seals are in good condition.

Why does PCV valve rattle?

It is supposed to rattle when you shake it. if it does not, it needs replacing. The rattle you hear is the check valve.

How do you replace a gate valve on a domestic water system?

By shutting off the water supply and replacing the valve

How do you remove a valve cover on a 1996 Hyundai elantra?

CAUTION: Some models are equipped with anti-theft-radio make sure you have the activation code before disconnecting battery * Disconnect negative battery cable * Detach the accelerator cable from the cable guides on the valve cover (It's not necessary to remove the cable guides unless you're replacing the valve cover) * Disconnect the PCV and breather hoses from the valve cover * Remove the spark plug wire cover bolts remove the cover and then remove the spark plug wires * Remove the bolts that attach the upper timing belt cover to the valve cover * Remove the valve cover bolts and then remove the valve cover

Replacing PCV valve 1987 ford ranger?

The pcv valve is located on the top of the valve cover. It is a plug in type and just pulls out.

What is control valve overhauling?

Overhauling a control valve means replacing all of the worn parts to bring the valve to a condition where it will be able to perform as well as it did when the valve was new.

Why does your 2006 f250 smoke on start up?

Worn valve guides? New answer : Worn valve guides WILL cause some what of a rough idle and engine would smoke at all times. If engine smokes at start up only and then quites then your problem would be the VALVE SEALS.

What is the function of the valve guide?

valve guides are present in the engine cylinder head.these valve guide operates the working of valves in the cylinder.that is the inlet ant the outlet valves.

Do heads have to be removed to replace valve guides and valve stem seals on a 1995 Mazda millenia?

yes heads need to be removed

What are the symptoms of Worn valve guides and rings?

oil consumption, tapping noise (because it is loose), burned valves or valve breakage

Why does a car engine burn oil?

bad piston rings Excessive engine wear - Rings, Valve guides, Valve seals

How do you replace valve stem seals 1989 Jeep?

How do you replace valve stems and guides on a 1989 Jeep 4 Cylinder engine?