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My Explorer build.

Discussion in 'Modified 1995-2001 Explorers' started by WormsExplorer, April 25, 2017.

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    1. WormsExplorer

      WormsExplorer Elite Explorer

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      Well got cam position synchronizer replaced and WOW what a difference. She runs great and I have no engine lights on. It's great.
      Can you tell which one is the old one? LOL
      IMG_20171223_102938048.jpg

      So glad she is running again.
       
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    3. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      Looks like I need to do this. Not looking forward to it, but at least I have a low mile motorcraft unit in my parts Mounty.
       
    4. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      If you pull the cam sensor off for some reason and the synchro isn't relatively new, drop in a few drops of oil. The bushings deep inside don't get oiled well, and those are the most common failure of these units. I don't know how the upper parts fail, given they never touch anything. I wonder if the bushings get work enough to allow side to side movement of the shaft at the top, and then the sensor is hit.

      How does the shaft feel on that bad synchronizer, is it loose at all?
       
    5. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      I think it’s the plastic that holds the magnet that gets brittle and fails. On my last Mounty the bushings were still fairly tight.
       
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    6. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      I can see that happening too. The one I had to replace, on my latest truck, was from the bearings squealing.
       
    7. WormsExplorer

      WormsExplorer Elite Explorer

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      Its really not hard at all. I was getting all worked up but once I started getting in to get things taken out and put back in it turned out to be pretty easy. I did how ever see that the 4.0's are in the rear of the engine. The 5.0's are on the front of engine. Just a matter of getting things removed and set to TDC.
       
    8. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Putting the synchro back in is the tricky part. The oil pump drive gear does not always line back up with the new unit. Which is why it's really important to note carefully how the old one is turned/pointed when it's just out completely, and start the new one in exactly the same orientation. The shaft/rotor needs to be exactly oriented like the old one was when it goes in, remember it or mark it, whatever works best for you.

      If it doesn't mesh with the gears going in, then you have to turn it a little each way to gently get it to line up. Go slow there, don't rush it, because the worst case is to have to turn the crank a hair to move the cam gear a little, to hope to get the oil pump drive gear to line up. The cam gear has 22 teeth, the oil pump drive shaft has six sides, which is a difference that can make it very difficult to line up a distributor. You have to get it in the right cam gear tooth, the oil pump shaft doesn't matter. But you can only move the cam gear to help line them up.
       
    9. WormsExplorer

      WormsExplorer Elite Explorer

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      I just set mine to TDC and used the tool that came with it and set it in there. Put everything together and she fired right up. Took her to Advanced Auto used Computer and cleared the codes. It wonderful running around now with no Engine lights on. :)
       
    10. Mbrooks420

      Mbrooks420 High Voltage. Elite Explorer

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      I’ve done it a few times before, I’m just currently away from the warmth of my garage and comfort of my big roller box.
       
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    11. Spudhut

      Spudhut US Navy Submariner Elite Explorer

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      Great news...thanks for sharing!
       
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    12. WormsExplorer

      WormsExplorer Elite Explorer

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      Any time Spudnut.
       

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