want to replace uper timing chain idler gear only on 1996 Nissan Sentra

mechanic say is the only part looks bad and is the reason the uper timing chain is loose

by in Los Angeles, CA on June 30, 2011
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1 answer
ANSWER by , June 30, 2011
This engine has problems with the timing chain particularly if the oil had not been changed frequently. The lower chain is difficult to replace and requires a lot more disassemble.