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Post head gasket install review and other issues thread

This is a discussion on Post head gasket install review and other issues thread within the Focus RS Discussions forums, part of the Focus RS Forums category; ~12,000km after head gasket and runs fine. *knocks on wood*...

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Thread: Post head gasket install review and other issues thread

  1. #741
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    ~12,000km after head gasket and runs fine. *knocks on wood*
    ssstevieb and noreaster like this.

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    Quote Originally Posted by ssstevieb View Post
    Did you get an oil change with it? My oil still smells like fuel...
    Yes, they changed the oil. When I brought the car in it was about 1/4" above the full but when they changed the head gasket it was left half way between full and low, just where it is now when I picked it up. Something must have been really amiss to cause that much fuel dilution, wouldn't expect it to be exhaust cam timing alone.

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    Quote Originally Posted by lucky phil View Post
    This is almost certainly result of a mistake during the HG recall. The noise will be related to the VCT drive. I suspect your tech has removed one or both of the cam drive VCT units from the cams during the HG job when its not required. On these engines if you do that then you need to be very careful when you put the whole cam drive back together with the cam tensioner and VCT drives or you will end up with slack in the cam chain between the VCT drives even with the tensioner correctly installed.
    This will cause the noise and poor running. What you need to do is assemble the whole cam drive and cams but leave them untorqued. have the cam timing plates and TDC stop in place and then rotate the whole cam drive including the VCT units on the cams. This will take the slack out of the cam chain between the VCT units and then you can Hold the cams and torque up the VCT fasteners.
    Its a trap with this engine cam drive system

    Ciao
    Lucky,

    Since your the tech, my car is currently under the knife. I am posting some pics I took today. My 16 with 1890 miles. Owned since June 2016. Does not get much use.

    Lucky curious if you see anything out of the ordinary on the piston. Name:  967F5680-954A-4576-A209-120481FAAFCD.jpeg
Views: 285
Size:  2.60 MB

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    Quote Originally Posted by The_Squid View Post
    ~12,000km after head gasket and runs fine. *knocks on wood*
    Check for oil leaks.

    I was 10k after the head gasket and my car started to leak oil. I took it to ford twice for a fix.

    https://imgur.com/a/LwuglmE


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    Quote Originally Posted by bad|teddy View Post
    Check for oil leaks.

    I was 10k after the head gasket and my car started to leak oil. I took it to ford twice for a fix.

    https://imgur.com/a/LwuglmE


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    Mines already leaking like that. Told them to look at that while doing the HG fix but appears to be the shift tower. Car dropped off yesterday, now I'm stuck with a god damn CmAx for 2+ weeks
    2017 NB RS1
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    Quote Originally Posted by lucky phil View Post
    This is almost certainly result of a mistake during the HG recall. The noise will be related to the VCT drive. I suspect your tech has removed one or both of the cam drive VCT units from the cams during the HG job when its not required. On these engines if you do that then you need to be very careful when you put the whole cam drive back together with the cam tensioner and VCT drives or you will end up with slack in the cam chain between the VCT drives even with the tensioner correctly installed.
    This will cause the noise and poor running. What you need to do is assemble the whole cam drive and cams but leave them untorqued. have the cam timing plates and TDC stop in place and then rotate the whole cam drive including the VCT units on the cams. This will take the slack out of the cam chain between the VCT units and then you can Hold the cams and torque up the VCT fasteners.
    Its a trap with this engine cam drive system

    Ciao
    Yep!! Applies to belt drive too. On the Zetec and SVT specific, you need to also loosen the cam pulley bolts to properly tension the belt. It gets more fun with the VCT on the intake with the SVT. I have done a Zetec without touching the cam pulley bolts, but it's a lot of guessing with pretension (which can be done with a belt...not a chain) to get it set correctly once you let it all go.


    Quote Originally Posted by lucky phil View Post
    The coolant drop may well be the system purging itself of air due to being poorly bled during the HG replacement. Its not unusual for the level to drop a noticeable ammount then stabilise if the bleeding job was poorly done. The coolant level on the RS also varies wildly depending on the attitude the cars is parked on. Small variations on level have quite a noticable effect on the coolant height with this coolant tank.
    The oil level will rise because its getting unburned fuel in it from the misfiring. When its fixed dump the oil and filter.

    Ciao
    Seconding this as well. Depending on some regular places I park, coolant can look below min when at full temp. I check my ensuring I look at coolant parked in a normal spot and having sat overnight. Mine seems to have a dropped a bit post recall, but it is also colder now. Level is holding at the min line when cold, and then makes it maybe halfway between min/max when at full temp.

  8. #747
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    Quote Originally Posted by lucky phil View Post
    This is almost certainly result of a mistake during the HG recall. The noise will be related to the VCT drive. I suspect your tech has removed one or both of the cam drive VCT units from the cams during the HG job when its not required. On these engines if you do that then you need to be very careful when you put the whole cam drive back together with the cam tensioner and VCT drives or you will end up with slack in the cam chain between the VCT drives even with the tensioner correctly installed.
    This will cause the noise and poor running. What you need to do is assemble the whole cam drive and cams but leave them untorqued. have the cam timing plates and TDC stop in place and then rotate the whole cam drive including the VCT units on the cams. This will take the slack out of the cam chain between the VCT units and then you can Hold the cams and torque up the VCT fasteners.
    Its a trap with this engine cam drive system

    Ciao
    Quote Originally Posted by lucky phil View Post
    The coolant drop may well be the system purging itself of air due to being poorly bled during the HG replacement. Its not unusual for the level to drop a noticeable ammount then stabilise if the bleeding job was poorly done. The coolant level on the RS also varies wildly depending on the attitude the cars is parked on. Small variations on level have quite a noticable effect on the coolant height with this coolant tank.
    The oil level will rise because its getting unburned fuel in it from the misfiring. When its fixed dump the oil and filter.

    Ciao
    Quote Originally Posted by jggav66 View Post
    Lucky,

    Since your the tech, my car is currently under the knife. I am posting some pics I took today. My 16 with 1890 miles. Owned since June 2016. Does not get much use.

    Lucky curious if you see anything out of the ordinary on the piston. Name:  967F5680-954A-4576-A209-120481FAAFCD.jpeg
Views: 285
Size:  2.60 MB
    Looks like carbon and some residual coolant to me.

  9. #748
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    Quote Originally Posted by jggav66 View Post
    Lucky,

    Since your the tech, my car is currently under the knife. I am posting some pics I took today. My 16 with 1890 miles. Owned since June 2016. Does not get much use.

    Lucky curious if you see anything out of the ordinary on the piston. Name:  967F5680-954A-4576-A209-120481FAAFCD.jpeg
Views: 285
Size:  2.60 MB
    Nothing of concern jumps out at me. Looks like a modestly driven road engine with no evidence of a gasket leak. Same average deck finish as most others.

    Ciao
    If you're not living on the edge you're taking up too much space.

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    They had her for a week and not a peep from the SA...In for fluid leak, sputter and possible coolant leak 8500 miles post HG...tick tock
    Last edited by crepr12; 11-06-2018 at 03:33 PM.
    SG RS2 17

  11. #750
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    Quote Originally Posted by lucky phil View Post
    Nothing of concern jumps out at me. Looks like a modestly driven road engine with no evidence of a gasket leak. Same average deck finish as most others.

    Ciao
    Thanks Lucky, the coolant I see on the pistons I would think is from disassembly. I looked for any scaring in the cylinder walls. Did not see any. Again the car has 1900 miles and I was reluctant to have this done. My concerns are the after. Will this be an on going headache. Time will tell.

    Cars been laid up since Sept 19, which is ridiculous being I scheduled the appointment August 5th. Dealer is backed up with service.

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