This is a special wrench to loosen/tighten the Bosch VE pump idle adjust jam nut for special applications, such as vans, where access to the idle screw nut is difficult. (10 mm)
Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.
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