difficult starting '83 D110 2.25 diesel - Defender Source
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  #1  
Old May 20th, 2014, 03:20 PM
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difficult starting '83 D110 2.25 diesel

Can anything be done to improved starting on this 1983 D110 2.25 diesel? It needs a lot of cranking to fire up. Not all that familiar with diesels, so any ideas would be welcome.
Just did a full fluid and filter (including fuel) change, but nothing really to address the starting.
Thanks
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  #2  
Old May 20th, 2014, 03:35 PM
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Quote:
Originally Posted by MGPete View Post
Can anything be done to improved starting on this 1983 D110 2.25 diesel? It needs a lot of cranking to fire up. Not all that familiar with diesels, so any ideas would be welcome.
Just did a full fluid and filter (including fuel) change, but nothing really to address the starting.
Thanks
Not enough information. Is the lift pump feeding plenty of fuel to the injection pump ? Ie when you open the bleed screw on the filter head and turn the engine over does lots of fuel spray out or just a couple foamy bubbles.

Hard starting diesels are either worn out pumps, tired/worn out injectors not properly atomizing the fuel, or an air leak somewhere before the IP.
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  #3  
Old May 20th, 2014, 03:37 PM
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Are you heating up the glow plugs?
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Old May 20th, 2014, 04:33 PM
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Quote:
Originally Posted by javelinadave View Post
Are you heating up the glow plugs?
I am not sure the 2.25 has glow plugs fitted as standard
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Old May 20th, 2014, 04:35 PM
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It should start on the first revolution of the engine....

Lots of things to look at...

- Lift pump working.
- No leaks in the fuel lines letting air in.
- Timing correct.
- Glow plugs working (only if it is cold out).
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Old May 20th, 2014, 06:02 PM
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In trying to bleed the fuel system, I am not very confident the lift pump lever is doing much.
Will try to crank engine with bleed screw loosened and see what comes up.
Thanks
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Old May 20th, 2014, 06:33 PM
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Check the lift pump first. Disconnect the wire from the solenoid valve. Remove the inlet line to the fuel filter and stick in bucket. Crank engine. You should get a lot of flow. The lift pumps have a high failure rate.

If that is okay, check for and line fittings in the fuel lines.
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Old May 20th, 2014, 08:03 PM
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Order a kit from Robert Davis, source a cheap OM617 and pull that lump of shit from your motor bay. Good God it has got to be slow!
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Old May 20th, 2014, 08:34 PM
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Quote:
Originally Posted by Daddymow View Post
Order a kit from Robert Davis, source a cheap OM617 and pull that lump of shit from your motor bay. Good God it has got to be slow!
Could you elaborate a bit on what your referencing?
"Kit" from Robert Davis?
OM617?
And yes, it is as slow as shit..maybe slower!
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Old May 20th, 2014, 10:02 PM
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Robert makes a kit to fit a Mercedes OM617 (mid eighties) turbo diesel in your truck. I have been in his and it is smooth as butter. A world of difference. Here you go http://www.defendersource.com/forum/...ighlight=om617 Also Don in NJ is doing an OM617 conversion now.
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  #11  
Old May 20th, 2014, 10:02 PM
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Om617 is a MB engine that Rob Davis has proven works very well in the Defender.
Back to your original issue I'm voting in favor of failed glow plugs.
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Old May 21st, 2014, 07:48 AM
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http://www.seriesdiesellandrover.com...onversion.html
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  #13  
Old May 21st, 2014, 10:47 AM
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How are your grounds?

How is it cranking?

I am new to diesels and my 90 2.5 (fresh overhauled) seemed to crank a bit slowly but always started after a few seconds. I knew that they are sensitive to grounds and meant to get around to checking and cleaning/replacing my straps (they looked OK).

Over the past two days, she started cranking and starting much slower so I finally cleaned the chassis grounds to bare metal, replaced the ground strap and added a second direct to the starter and she now turns as fast as my DD and fires on the 2nd or 3rd rev....should have done the grounds first, lesson learned.

Good luck. w
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  #14  
Old May 21st, 2014, 11:02 AM
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On all our diesels no matter which, I install a sedimenter and 12V electric fuel pump, then the fuel goes to the lift pump, filter and IP.
This eliminates all the fuel delivery issues as long as there is no blockage from the tank pickup.
Fuel systems can develop air leaks and some can bleed back to the tank through the lift pump or filter.
I don't know why some fuel systems can let in air and then not leak, but have seen it many many times.

When the fuel system bleeds down, the driver has to crank and crank to bleed the air out and usually by the time the air is out, the glow is gone and a 2.25 or 2.5 won't start without glow.

Indirect injection engines need glow to start unless the engine is equipped with a gear reduction starter that spins it really fast. Check your glow plugs as John and Dave already advised. If you have a hard starting engine with fueling issues, the glow plugs could be burned out from overuse.
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  #15  
Old May 21st, 2014, 02:08 PM
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You can install a Tdi starter motor onto the old 2.5 engine. speeds things up a little.
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