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Re: Removing cylinder head bolts
Posted: 23 Feb 2021 09:01
by AndyB57
72degrees wrote:AndyB57 wrote:Excuse my ignorance, but having looked at various drawings I cannot for the life of me work out what the Allen bolt does! The pushrods on my engine can be removed with it in situ - does that mean something is missing if the bolt is supposed to secure them in some way?
Helps seal the head gasket round the push rod tunnel. You can remove the pushrods, but you won't be able to lift the head until the cap screw is out.
Thank you.
Re: Removing cylinder head bolts
Posted: 23 Feb 2021 11:06
by Steve Brown
You'd be surprised how many people have tried to get the cylinder head off while that cap head screw is still fitted!
It can lead to damage so best to slacken that first.
Re: Removing cylinder head bolts
Posted: 03 Mar 2021 10:42
by EVguru
When replacing the head, new nylocs should be used and the specified torque is for oiled threads.
Re: Removing cylinder head bolts
Posted: 03 Mar 2021 16:25
by Vitesse
Steve Brown wrote:You'd be surprised how many people have tried to get the cylinder head off while that cap head screw is still fitted!
It can lead to damage so best to slacken that first.
Sounds like the 2 allen bolts in the middle of a Guzzi sump. Many a sump missing fins as people have tried levering it off with these still in place.
Re: Removing cylinder head bolts
Posted: 07 Mar 2021 15:17
by AndyB57
EVguru wrote:When replacing the head, new nylocs should be used and the specified torque is for oiled threads.
Thank you - I did both.