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Noisy Engine - 1997 Ford Explorer

Discussion in 'Under the Hood' started by macgyvering, February 3, 2011.

^^Searches ExplorerForum.com^^





  1. macgyvering

    macgyvering New Member

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    City, State:
    Atlanta, GA
    Year, Model & Trim Level:
    1997 Ford Explorer
    Help! Trying to figure out what this noise is coming from my engine! The SUV has a small coolant leak and the check engine light comes on periodically, but other than that it has been running pretty well until this noise started a few days ago

    I took a short video using my iphone to capture the sound:
     
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  3. DUNE RCR

    DUNE RCR Active Member

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    What engine do you have? Where is the sound coming from(front/rear, right/left)? How would you describe the sound, metallic, slapping, pinging...etc
     
  4. RickOTR

    RickOTR Active Member

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    Have you ever had the timing chain, tensioners, and cassettes replaced? Sounds like the front one went south on you. There is a lot of info here, just do a search for 4.0 SOHC cassettes.
     
  5. 1AJeremyD

    1AJeremyD Well-Known Member

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    I would suspect the timing chain as well. Very common item to go wrong on those 4.0L. I would have it looked at if you don't feel confident that is the problem. If it ends up being the case then I've got the parts available for that year. You can check them out through the link below

    http://www.1aauto.com/1A/TimingBelts/Ford/Explorer/-/-/1997
     
  6. Glen4X4

    Glen4X4 Explorer Addict

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    Sure sounds like the timing chain and while its only at that point I recommend changing the guides/cassettes and tensioners now before the chain really starts slapping and risk jumping time.
     
  7. 2000StreetRod

    2000StreetRod Staff Member Moderator Elite Explorer

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  8. macgyvering

    macgyvering New Member

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    City, State:
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    Year, Model & Trim Level:
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    The mechanic said that it is an "internal engine noise." He thinks it is the timing chain. So, you guys have good ears!
     

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