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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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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.

Does your jeep have valve guides?


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.

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.

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.

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.

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.

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.

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.

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