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Thread: I think it's time for "The Timing Chain Replacement"

  1. #1
    Join Date
    Jan 2005
    Location
    Just South of Memphis, TN
    Posts
    625

    I think it's time for "The Timing Chain Replacement"

    Current Status of 2004 Marauder: 140,000 miles, new transmission, Bought with 5,000 miles. Daily Driver, runs like new.
    I'm just trying to avoid having the timing chain suddenly give up. I have always provided preventative maintenance.
    I would not be doing the work myself.
    Questions: How long do the Chains normally last?
    I have access to good mechanics.
    Should I consider taking it to my local dealer/mechanic (Memphis, TN)?

    All advice and information would be greatly appreciated.

    "Lots for new info for the Forum, Hope I haven't screwed it up.

    Thanks for all the help and time in the past.

    All the Best: Architect
    Modifications to my 2004 Mercury Marauder:
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    Blacked out window trim

  2. #2
    Join Date
    Sep 2005
    Location
    APPLE VALLEY,CA
    Age
    60
    Posts
    1,404
    My black has 274000 with original timing equipment, but the oil pump blew up. I’m currently driving my silver. I just hit 240,000 also with original equipment. This car has very noisy startup. I now check my oil pressure every time I start up. I have a replacement engine for the black.
    It has 186000 miles on it. I’ll will be changing the guides for sure and put in a new oil pump. I’ll inspect the chains to see if I need to replaced also. I also will replace the oil filter gasket for security before I reinstall it.


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  3. #3
    Join Date
    Jun 2008
    Location
    Lompoc, Ca
    Age
    59
    Posts
    82
    As far as I am aware, timing chain failure isnt an instant thing. When they start going you will start hearing a rattle that will steadily increase. If you have good mechanical skills it is possible to replace the chains yourself. My engine sounded like there was a chainsaw under the hood when I bought it. I was able to replace mine. Having a shop replace them is a pretty costly repair.

    Either way good luck!
    Sounnder

  4. #4
    Join Date
    Feb 2024
    Location
    Dallas
    Posts
    11
    Its not the chains that are a problem usually its the guides and tensioners that go out, at worst if not repaired the chain will eat through the guides. You'd have an awful racket all the time if it were that bad.

  5. #5
    Join Date
    Sep 2005
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    APPLE VALLEY,CA
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    1,404
    Also replace the oil pump. Melling or Ford Performance brand are good.


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  6. #6
    Join Date
    Jan 2003
    Location
    Near Knoxville TN
    Age
    68
    Posts
    10,747
    Thinking about changing the chains, guides, tensioners on my '03 with 370k miles. I believe it can be done in the car, without removing the coolant crossover tube. I tried to pull the COT awhile back, it won't budge and I don't want to risk ruining it.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
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    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
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  7. #7
    Join Date
    Jun 2008
    Location
    Lompoc, Ca
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    59
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    82
    I did my tensioners without removing the coolant crossover. I didnt want to risk damaging it by removing it.
    Sounnder

  8. #8
    Join Date
    Sep 2005
    Location
    APPLE VALLEY,CA
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    1,404
    Make sure to replace your oil pump also.
    Mine broke at 284000 miles. I need to replace the engine now. I have one in a totaled marauder in my back yard.
    Anybody who can remove the engine, please let me know


    Sent from my iPhone using Tapatalk

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