<p>My mechanic did both when he replaced the timing belt at about 110,000 on my Subaru. He has never recommended things in the past that weren’t needed (in fact, sometimes I have had to twist his arm to do things I think he should do 
).</p>
<p>My mechanic did both when he replaced the timing belt at about 110,000 on my Subaru. He has never recommended things in the past that weren’t needed (in fact, sometimes I have had to twist his arm to do things I think he should do ).</p>