Technician A states that to purge a typical CR system, the line nuts on the pipes connecting the rail to the EHIs should be cracked and retorqued to spec after priming. Technician B states that some OEMs suggest that high-pressure pipes on CR systems be used once only, because the seats deform to seal when torqued. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
