TD5 Injector rockers is this a common problem?

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raywin

Well-Known Member
Posts
3,808
Location
North Yorkshire
Decided to cure my injector harness oil leak last week, took off the cover and installed the new one no problem looks fine.

BUT noticed that I have some scoring on one injector cam and follower, and slight marks on the corresponding cam.
I started to read up on this, saw the thread: "TD5 Ticking" on here, and found the similar story at :
http://www.aulro.com/afvb/technical-chatter/132254-td5-camshaft-damage-any-input.html

Is anyone else seeing this problem? any insight as to why it happens?
What I see so far it seems to affect only one cam-rocker out of the 5 in every case.

Lucky I read up on this before making any move as there seems to be two different type cam shafts- rockers - and even adjusting screws for EU3 engines and pre EU3 units ----- beware !
The 15P S/N and later engines have a larger sweep angle of the rocker to create a higher injector pressure and rocker parts cannot be interchanged, with the older set up.
I decided to try and find a decent used cam shaft and hopefully the followers to go with it, but as my engine has 113,000 mls and I have to take the head off to do the cam shaft, I am thinking of holding off and doing a big job including the crank shaft shells and rings early next year.

I have managed to get hold of a Pre EU3 rocker assembly and I am going to measure up the cam follow rollers on it and compare with the one on my later 15 P cam roller If they are the same then I will drill out the little metal slug which retains the roller spindle and put one of the other good condition rollers onto my shaft as a temp measure, until time and funds are available.
If necessary I will tap the rocker and shaft and replace the retaining slug with a grub screw.

Just wondered if anyone else has attempted anything similar or has any experience to share?
 
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Just a guess,but is there an oil feed obscured or blocked on the scored cam?I do hope I haven't got this to look forward too.
 
I wondered about the same thing (remember the ford engines) looked in the workshop manual and it says "rocker shaft and arm lubrication is by splash" so I don't suspect a blocked feed.
I hope you don't have this one too my engine was sounding great and I was feeling dead chuffed having just done the clutch and DM flywheel.
 
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