DB2 Guide Stud Removal

[adf5565]

I am in the process of adjusting the fuel screw on the injection pump. However, I am trying to remove the guide stud and it is putting up quite the fight. I’ve put a lot of force on it and it still hasn’t broke free, and now my allen is fitting loose. It’s not quite stripped yet but I don’t think I have many moves left.

Any suggestions on getting this loose? I didn’t think the IP fuel adjustment was going to cause me problems so Ive already installed the pump. But as I’m adding the turbo I believe I either have to figure out how to make the adjustment or get a different pump which allows me to.

Seems like lately if something can go wrong it will go wrong.

 

[rcamacho]

I had the same problem on an M998. I ended up sending the pump out for service anyway.

I figure the rebuilder had to apply heat (sans fuel)


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[87cr250r]

The brand of allen wrench matters. For L keys Bhondus and Wera are the best performers. Wera has a relieved design that is less likely to strip the screw.