Volvo B 21 - Thread Insert Removal Procedure

Group 27 Reconditioning engine
Thread repa;rs
Remo"ing thread repairs inserts
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A12
File groove in th read in s ert
Using a triangularfile make a groove in thetopthread of
the insert, approx. 1/4
of a thread fr om the end. Take
care not to damage the thread
holding the insert.
A13
Remove thr ea d ins ert
Insert a sharp edge of a triangular scraper in the groove.
Press
downwards and rotate anti-clockwise until the
insert is removed.
A14
Fit new th r ead insert
Clean the hole with a tap and fit a new insert.
17