Question:

if your explorer engine is makeing a tapping noise when you start it up cold the connection rods are bad .caught mine just in time before warrenty was up,complete tear down.

Response:

Heard they all do it.  Cassette type cam chain tensioner or some shit. Check the TSB… – Hide quoted text — Show quoted text – >if your explorer engine is makeing a tapping noise when you start it up cold >the connection rods are bad .caught mine just in time before warrenty was >up,complete tear down.

Response: