Valve guides do not seal any thing. They keep the valves in position and the valve seat does the sealing to the valve face.
Valve seal questions
- Thread starter LeakySeals
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If the valve guide is worn it allows the valve stem to move around and keeps the valve seal from doing its job.
Symptoms of oil leakage around the valve stems is blue smoke on startup, blue smoke after deceleration or after going down a hill. Basically, blue smoke after there is high vacuum in the intake manifold.
Symptoms of oil leakage around the valve stems is blue smoke on startup, blue smoke after deceleration or after going down a hill. Basically, blue smoke after there is high vacuum in the intake manifold.
Originally Posted By: tom slick
If the valve guide is worn it allows the valve stem to move around and keeps the valve seal from doing its job.
Symptoms of oil leakage around the valve stems is blue smoke on startup, blue smoke after deceleration or after going down a hill. Basically, blue smoke after there is high vacuum in the intake manifold.
This is why I (And many other people) simply have the head rebuilt if there is evidence of leaks at the valves.
If the valve guide is worn it allows the valve stem to move around and keeps the valve seal from doing its job.
Symptoms of oil leakage around the valve stems is blue smoke on startup, blue smoke after deceleration or after going down a hill. Basically, blue smoke after there is high vacuum in the intake manifold.
This is why I (And many other people) simply have the head rebuilt if there is evidence of leaks at the valves.
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