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Author Topic: 2.25d timing  (Read 478 times)

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2.25d timing
« on: 06 March 2013, 10:04:12 pm »
Does anyone know (Jim) how to best set the FI pump timing by ear? My timing chain and/or bush aren worn, and I think I am a bit retarded (insert joke here).

cheers.

Mark.
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Re: 2.25d timing
« Reply #1 on: 06 March 2013, 10:09:46 pm »
If everything is that ****, then you need to advance it as much as possible, then some.

Last resort file the slots bigger and/or twist the scew gear

even more last resort, change the timing gear  :smilewide:
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Re: 2.25d timing
« Reply #2 on: 07 March 2013, 07:47:27 pm »
How do I know when I am in the sweet spot? And how would I know if its too advanced?
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Re: 2.25d timing
« Reply #3 on: 08 March 2013, 06:09:17 am »
If you advance it (clockwise) to much then it will sound 'knocky' When you reach this spot then back it off a bit (1mm at a time). When doing this you will need to loosen the injector pipes at the pump and release the 3 bolts on the body to enable you to turn it (don't do it whilst its running). If if is still tight to turn you can put a rubber oil filter strap wrench around the top to make it a bit easier. If you find that you cant turn it any more clockwise you can either elongate the bolt holes/slots in the pump or renew the timing gear components as detailed on here.
Timinghtml - seriesdiesellandrover.com
seriesdiesellandrover.com
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Re: 2.25d timing
« Reply #4 on: 08 March 2013, 08:09:41 am »
That is a very good document to follow.

Having just been through this trial and error process I would be very careful about moving the pump whilst it is attached at both ends, pump and injectors. I would always remove the injector end to avoid damage. This might be a long handed way but if you snap a nipple you are going to be spending more time going to get another unless you have spares on site.

Mine is currently set to my best guess instead of the tool which I currently have on loan due to not having timing marks to set it up from.

There is no smoke on tickover and so this means a clear exhaust output, though the odd puff when accelerating which is to be expected.   
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Re: 2.25d timing
« Reply #5 on: 08 March 2013, 11:10:59 pm »
It's not a particularly easy thing to do, as you will likely find a worn chain. If you are confident about the chain, then basically find your flywheel mark (13 or 16 degrees I think....) Remove the injection pump and note the position of the pump drive gear in the camshaft skew gear. Follow instructions relative to the setting of this gear from the manual (It's possible to get it 180 degrees out) and make sure it's right. There is an inspection panel on some pumps, which you can remove to set the position. This is related to the pointer on the two small bolts on the block. Proper manual reading will help you here.
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Re: 2.25d timing
« Reply #6 on: 09 March 2013, 11:41:04 am »
cheers guys  ;-)
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Re: 2.25d timing
« Reply #7 on: 17 March 2013, 10:25:29 pm »
Just to make sure i am doing this right,  The timing mark on the pump is to the right of the marker on the engine block, this is advanced right?
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Re: 2.25d timing
« Reply #8 on: 18 March 2013, 08:06:15 pm »
Not quite sure what you mean but on the pump there is a vertical line on the edge of the front bolt hole (forward facing edge). This is the line that the pointed market points to.... :-?
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Re: 2.25d timing
« Reply #9 on: 19 March 2013, 07:14:11 pm »
Let me ask another way, does turning the pump clockwise advance or retard?

cheers
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Re: 2.25d timing
« Reply #10 on: 19 March 2013, 07:18:32 pm »
The pump innards turn anti-clockwise, therefore turning the body clockwise will advance the timing. Check the arrow printed on the tag on the pump.....
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Re: 2.25d timing
« Reply #11 on: 19 March 2013, 09:15:25 pm »
Cheers, I have been retarding it  :banghead
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Re: 2.25d timing
« Reply #12 on: 20 March 2013, 04:44:34 pm »
Engine much happier now  >Htlr<

thanks
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