my motor is an old p76 4.4 stroked out to 4.7ish and after getting her back in after the rebuild on start up she makes a "howling" sound for 10-15seconds
It's defintly vacuum related take the oil cap out and it stops! (and you nearly lose your hand down into the head)
Different oil cap didnt stop the sound, removing rocker cover breathers doesnt stop the sound, new rocker cover gaskets didnt stop it. ohh and its only while the motor is cold
what could be making the noise and how could i stop it?
Simon
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leyland 4.4 howling
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