User Posts : Tehachapi News http://www.tehachapinews.com User Posts on http://www.tehachapinews.com en-us How do they do that? http://www.tehachapinews.com/home/ViewPost/18678 <p>Dear Auto Q&amp;A:&nbsp; Can you provide a &quot;blow-by-blow&quot;&nbsp;description&nbsp;of how nitrogen is introduced into a gas charged shock absorber during the manufacturing process.&nbsp; For that matter, how is the oil put in&nbsp;there too?&nbsp;&nbsp; Thank you, Baffled</p>