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Thread: Knock, Knock. Who's there.....

  1. #16
    Join Date
    Dec 2007
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    Orange County Ca
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    If I pull the rocker covers would I be able to see the tensioner to verify the problem?
    are these engines prone to the valves hitting the piston if the chain jumped a tooth?
    though I don't think it did it runs to smooth for that.
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  2. #17
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    Jul 2004
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    The Dirty South
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    The only thing you can see with the cam covers off are the secondary chains and secondary tensioners

  3. #18
    Join Date
    Jun 2008
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    Simple Google search, try it!
    .
    .
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
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  4. #19
    Join Date
    Dec 2007
    Location
    Orange County Ca
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    61
    looks like from that picture that possible you could see a sliver view of the driver side tensioner but not the right one.
    at least I should be able to tell if it's a plastic or steal tensioner
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  5. #20
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    Aug 2010
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    Southern NJ - Exit 4
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    Curious that this started after an oil change.

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  6. #21
    Join Date
    Dec 2007
    Location
    Orange County Ca
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    I bought the car a little over a year ago and it did not have a motorcraft filter on it when i bought it and I didn't put motorcraft filters for the last two oil changes, I did not know about this issue, so it's well over a year that it has had off brand filters on it. And when I bought it it did have an annoying tick but from what I have read that's normal for these engines.

    there is silicone around the cover so the cover has been off before for some reason, maybe they put cheap parts on when they fixed last time.

    I have started tearing it down but I'm slow so it will take me awhile to get it opened up, I have the water crossover and alternator off, next I'll get the rocker covers off tomorrow.

    I see the a timing kit from Melling is about the same price as the Ford performance kit, I wonder which is better? both have steal tensioners, of course Melling probably makes the ford part also
    Last edited by seanpatrick2000; 08-01-2020 at 09:45 PM.
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  7. #22
    Join Date
    Nov 2014
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    Buy ford parts. Zack here has a list of tensioners guides and gaskets. Those are $231.30 shipped from tasca. You can save time by lifting the cam covers and not removing them. Reuse the chains, might run 5w20 and 10w30 mix on the future oil changes
    The twins2.3 whipple/aluminatorVortech V-2 lots of goodies

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  8. #23
    Join Date
    Dec 2007
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    Orange County Ca
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    I don't know with 130k on those chains, I think it would be smart to buy new ones. those are long chains and I"m sure they stretch over time.
    Is there an issue with removing the cam covers? I have read in a mustang chassis the clutch/brake masters has to be removed is that a problem on the marauder?

    Ok I'm reading the right side cam cover is a tight fit. I wonder if taking the plenum off would give enough clearance to remove it completely.
    Last edited by seanpatrick2000; 08-02-2020 at 02:01 PM.
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  9. #24
    Join Date
    Mar 2008
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    Next door to my neighbor
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    Remove passenger engine mount 18mm nut located straight up through the engine cradle, jack up the engine. The cover will come off with ease.


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  10. #25
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    Dec 2007
    Location
    Orange County Ca
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    what about the driver side? that one also look tight
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  11. #26
    Join Date
    Dec 2007
    Location
    Orange County Ca
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    Im about ready to remove the timing cover, I had the left rocker cover off enough to see the tensioner it's plastic but looks in good shape the plastic tension pad also looks fine, I'm hoping the problem is on the right side, just got the rocker cover loose but can't lift it high enough to see anything, Im going to pull the balancer and pw steering pump pully then remove the timing cover. I"m slow I know, does anybody know if I have to remove the crank position sensor before removing the cover or will it come off ok with it in place, I don't want to damage it I guess best to just remove it either way. does anyone know of a reasonably priced tool to lock the cams if I change the secondary chains?
    I may just leave them if they look good.

    also I have a Steeda under drive pully set from my crown vic lx sport, will it fit the 2003 DOHC 4.6 if it's off a 2004 SOHC 4.6?

    I removed the wiper motor trying to get the driver side cam cover off but it's still stuck, if I remove the upper plenum will it be free to come off or does the pw brake drum have to be moved?
    any tips or advice would be appreciated
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  12. #27
    Join Date
    Jan 2017
    Location
    Regina, Saskatchewan Canada
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    Yes you have to remove crank sensor or you will probably break it. Sounds like same issue I had. Passenger side tensioner was bad. Smashed up the chain guides and the broken pieces ended up in oil pan which is also bad because smaller pieces usually find their way into pick up screen partially blocking oil to the pump. I’m the curious type so pulled engine to check the pickup screen for trash and yup, broken guide pieces in there.

  13. #28
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    Dec 2007
    Location
    Orange County Ca
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    61
    I take it the pan can't be removed in the chassis??? did you have to remove the power brake booster to remove the engine?
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

  14. #29
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    Knock, Knock. Who's there.....

    Quote Originally Posted by seanpatrick2000 View Post
    I take it the pan can't be removed in the chassis??? did you have to remove the power brake booster to remove the engine?
    Not unless you want to drop the K member.

    And no, booster stays. Booster and hood installed, side exit with headers, blower, harness and all plucked out. Too easy on these cars.



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  15. #30
    Join Date
    Dec 2007
    Location
    Orange County Ca
    Posts
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    where is the best place to attach the lift chain, I have never pulled one of these before I guess they are not that heavy so I would assume any tapped holes
    on the heads would hold the thing. are these cars aluminum blocks or steal?
    2003 Silver Birch Marauder tune by Marty, best $150 I ever spent

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