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    Thread: Ford Figo TDCi engine fuel injector washer/bush melting off issue.

    1. #11
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      Quote Originally Posted by Evolution88 View Post
      Am not sure about this part. I was not there when they put it back. I can't recollect any sophisticated tool they used to remove the injectors. So when they put it back, am not sure how they torque it to spec.
      removal doesnt require special tools. torquing is a fancy word for tightening bolts. it should be done with a torque wrench. the torque spec is usually found in a service manual and wrench set to disengage at that particular value.

      looser than that spec, there is a good chance of the fastener backing out due to stresses. tighter than spec, there is a good chance that the fastener itself might weaken and stretch, or threads might be damaged.

    2. #12

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      Quote Originally Posted by 007 View Post
      torquing is a fancy word for tightening bolts.
      I know that. That's why I said am not sure whether they used any sophisticated tool like torque wrench to fix the injectors back.

      Quote Originally Posted by 007 View Post
      the torque spec is usually found in a service manual
      I believe there was a chart in the Service Center/Workshop specifying the same.
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    3. #13
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      Quote Originally Posted by Evolution88 View Post
      I believe there was a chart in the Service Center/Workshop specifying the same.
      which workshop was this?

      unfortunately, most people - including service center people - are averse to using a torque wrench. the only way to make sure that the right torque has been applied is to:
      1. do it yourself
      2. be physically present and ensure that the mechanics have used a properly calibrated and set wrench

    4. #14
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      Do you use a K&N stock replacement filter ? Can see the sticker on top of the air filter box mentioning so.
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      Quote Originally Posted by 007 View Post
      which workshop was this?
      Metro Ford, St. Marks Road.

      Quote Originally Posted by eapen View Post
      Do you use a K&N stock replacement filter ? Can see the sticker on top of the air filter box mentioning so.
      Yup. I do. Replaced the stock air filter with K&N at #Bay6 .
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    6. #16
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      Quote Originally Posted by Evolution88 View Post
      Metro Ford, St. Marks Road.
      if I were you, I'd head over to #Bay6 and have the injector bolts retorqued for some peace of mind. this isn't absolutely essential though.

    7. #17
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      If BAY6 recommended it I would not contest it.

      Though I would be concerned about the dust accumulating in the intake pipe near the MAF sensor post air filter - if I see correctly in the 2nd photo. Rub your finger through the inside intake tract to determine the dust level.
      Last edited by eapen; 13th Dec 2013 at 13:09.
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    8. #18

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      Quote Originally Posted by eapen View Post
      the dust accumulating in the intake pipe near the MAF sensor post air filter
      Noob questions:
      - Would this happen only with after market air filters (like K&N)?
      - If yes, is it because of the air intake design of this particular engine?
      - How does the stock air filter work better in preventing the dust/particles?
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    9. #19

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      Quote Originally Posted by Evolution88 View Post
      I found it missing on few injectors & technician told me that it fall of inside while removing the injectors.
      This is impossible. This is basic that loose metal parts in the combustion chamber will cause havoc to the engine. I took off the heads of a BMW motorcycle once to grind the valves. I saw that a tiny piece of his exhause valve had broken off and the top of the piston was badly pitted. It looked like someone had been poking at it with a pointed tool.


      Quote Originally Posted by Evolution88 View Post
      Something to worry about?
      No. I am not familiar with your injectors and I am comparing with a Volvo petrol injector which had no copper but 2 silicon seals. My car has only a copper seal and a very tight fit and need a special tool to extract them.

    10. #20
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      Quote Originally Posted by Indian View Post
      This is impossible. This is basic that loose metal parts in the combustion chamber will cause havoc to the engine.
      I think Evolution88 mentioned about the washers being dropped in the Engine Bay and hence lost! They are big enough not to go into the combustion chamber.

      That said, I hope they extracted the old washers from the injector seats . If the old washers are stuck in their seats, its often a real PITA to get them out.
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