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

 

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arturo0428, Los Angeles, CA, June 30, 2011, 21:41
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mechanic say is the only part looks bad and is the reason the uper timing chain is loose

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, June 30, 2011, 22:00
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     Master

    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.

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