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Thread: Time to put timing chains and tensioners on.

  1. #1
    Join Date
    Nov 2013
    Location
    South Plainfield, NJ
    Age
    56
    Posts
    7

    Time to put timing chains and tensioners on.

    Well, I had a good run. 262,000 hard miles and I'm hearing the clatter of my timing chain. More so on the drivers side. So if I'm going in.......Doing it all. I've timed plenty of Jaguar 4 valve motors. (4.0 and 4.2) Although they have Variable Valve timing I'd think i'd be easier to do on the Marauder. Has anyone ever done this job? What I'm really asking is should I buy the tools to hold the cams in place or can I do without?

  2. #2
    Join Date
    Oct 2010
    Location
    4 miles from insanity and 2ft from broke!
    Posts
    9,559
    With that many "hard" miles you prolly need a full Engine rebuild! not just chains and tensioners.
    04 MERCURY MARAUDER build date:02/11/04
    ITS ALIVE !!!!!!!!

    STAY TUNED!!!!!!!!!!

    **WHIPPLE 4.0L CRUSHER!**0000 (FOR NOW) RWHP

    VISIT MY GARAGE FOR A FULL LIST OF MODS

  3. #3
    Join Date
    Nov 2013
    Location
    Glendale AZ
    Age
    42
    Posts
    154
    I did mine twice... only buy ford parts. I learns the hard way. First time took me 14 hours. Second time was 4 hours. Any questions you can text me. (602) 796-6099

  4. #4
    Seems a lot of people are replacing theirs this year.

    Don't replace the tensioners with the plastic ones, spend a little extra and get the iron ones that will be mentioned in the links below. When mine were replaced, we just used zip ties to hold everything in position. With your mileage you will probably want to replace the crossover tube o-rings as well.

    http://www.mercurymarauder.net/forum...ad.php?t=92299
    http://www.mercurymarauder.net/forum...ad.php?t=94419
    http://www.mercurymarauder.net/forum...ad.php?t=95067

    2004 Silver Birch
    300B
    Build date:9/29/2003, Adopted on 12/02/05
    Exhaust by Greg
    13.630 @ 100.49 mph (11/21/10)

    2015 Ford Focus SE Sport FWD
    2013 Lincoln MKS EcoBoost AWD (377whp/423tq).
    2010 Ford Fusion Sport FWD
    1989.5 Ford Mustang 5.0 LXsport

  5. #5
    Join Date
    Nov 2002
    Location
    St. John, IN
    Age
    45
    Posts
    14,251
    The part numbers for the timing chain guides are as follows:

    1R3Z-6L253-AA
    1R3Z-6L253-BA
    2C5Z-6K297-AA
    1R3Z-6M256-AA

    Only buy Ford parts.

  6. #6
    Join Date
    Aug 2010
    Location
    Vancouver WA
    Posts
    1,014
    Guys, is it correct no one sells the plastic guide only? Sucks to have to buy the aluminum arm also if only the plastic part needs replacing.
    Recent new owner of a 2004 SB
    RIP 2003 Black 300A

  7. #7
    Quote Originally Posted by Jeronimojc View Post
    Guys, is it correct no one sells the plastic guide only? Sucks to have to buy the aluminum arm also if only the plastic part needs replacing.
    Not that I have seen and I did a lot of searching.

    2004 Silver Birch
    300B
    Build date:9/29/2003, Adopted on 12/02/05
    Exhaust by Greg
    13.630 @ 100.49 mph (11/21/10)

    2015 Ford Focus SE Sport FWD
    2013 Lincoln MKS EcoBoost AWD (377whp/423tq).
    2010 Ford Fusion Sport FWD
    1989.5 Ford Mustang 5.0 LXsport

  8. #8
    Join Date
    Aug 2010
    Location
    Vancouver WA
    Posts
    1,014
    Thanks. I just bought the chain guides thru Tasca.


    Sent from my iPhone using Tapatalk
    Recent new owner of a 2004 SB
    RIP 2003 Black 300A

  9. #9
    Join Date
    Sep 2008
    Location
    USA
    Posts
    2,428
    I edited my post sorry.

    I always remove the followers from the heads whenever I remove chains/sprockets.
    Not everyone does it this way, to me it is the easiest way but it is not the same for everyone.
    Last edited by massacre; 12-19-2014 at 06:52 PM.
    Ex Panther Owner

  10. #10
    Join Date
    Apr 2011
    Location
    tn
    Age
    38
    Posts
    169
    Hello I know this has been a few weeks since last post. But I was wondering if replacing the oil pump would be recommended or even feasible while doing the timing set.. not that there is anything wrong with mine. just was wondering if since I am having to do mine soon if I should get this taken care of as well?
    2004 90k #924 of 1237 sequence #2572 Black E3 sparkplugs accel coil packs 140034-8 trans-dapt throttle body spacer Mmr manifold spacer cold air intake superchips Steeda underdive pulleys xcal3 programmer stock other then that

  11. #11
    Join Date
    Nov 2002
    Location
    St. John, IN
    Age
    45
    Posts
    14,251
    Quote Originally Posted by Tnbigbody View Post
    Hello I know this has been a few weeks since last post. But I was wondering if replacing the oil pump would be recommended or even feasible while doing the timing set.. not that there is anything wrong with mine. just was wondering if since I am having to do mine soon if I should get this taken care of as well?
    That is only possible if you have under-developed fingers or the engine is out.
    Leave it alone if it still pumps oil....they never go bad

  12. #12
    Join Date
    Jan 2014
    Location
    Palm CIty Fl.
    Age
    64
    Posts
    188
    262k miles good to hear. Just picked up 03 300A for a parts car price with 170K mi. runs really nice. with possible 100k mi left and issues it dose have are not overwhelming running out of desire to take it apart

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