2.25 Valve Adjustment - Defender Source
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  #1  
Old June 20th, 2011, 10:16 PM
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Jeff Payne
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2.25 Valve Adjustment

Hi all.

So I had my head rebuilt a little bit ago and now I think it is time to adjust the valves after some break-in. I have never done anything like this before so any tips would be greatly appreciated.

All I could find in my manual was how to take the whole engine apart, and I'm not ready to do that now!

Preliminary research shows that .010 might be the right clearance for 2.25 diesel? As far as making any of that happen, I have no idea.

As always, thank you so much in advance

Jeff
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  #2  
Old June 21st, 2011, 12:36 PM
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J. Michael McCaig
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It should be the same as a Series 2.25 petrol and that would be .010in for all valves. You do them in sequence as follows: set no. 1 tappet with no. 8 valve fully open, set 3 with 6 open, set 5 with 4 open, set 2 with 7 open, set 8 with 1 open, set 6 with 3 open, set 4 with 5 open, set 7 with 2 open. I always rotate the engine a couple of times and then recheck. You can do it with the engine cold or warm.
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Old June 21st, 2011, 10:25 PM
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Jeff Payne
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Ok. Thanks.

So #1 would be towards the front of the engine I assume?

Do you turn the engine over with a wrench then to get the valves to the proper open position?

I know, newbie questions... But I'm trying to learn

Of course, now that you have taken the time to spell that out so clearly I see the description in the literature that I have along with a diagram. Thanks again
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  #4  
Old August 7th, 2011, 01:37 PM
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Jeff Payne
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So I'm finally getting around to doing this job. Everything under the rocker cover is completely covered in oil. Is this normal? I replaced the o-ring on the breather cap a while back but it is still leaking out of the top now. Just wondering if there is too much oil in here. Thanks!

Jeff
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  #5  
Old August 7th, 2011, 02:08 PM
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kevin
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Just worry if there's no oil there.
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Old August 7th, 2011, 02:29 PM
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Jeff Payne
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Right. As I was doing it I realized that there should probably be plenty there. Thanks. I think I got it wrapped up already.
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