parked uphill 2.5na cranks no start - Defender Source
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  #1  
Old January 6th, 2016, 12:28 AM
redline_r
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parked uphill 2.5na cranks no start

I've been driving her regularly, and no issues were obvious. I parked on a fairly steep driveway facing uphill, and it was cold--about freezing temperatures.

Cranks fine, but does not start, even after several 15-30 second glowpluggings.

3/4 tank of fuel
Battery at 100% -- just to make sure I charged it fully and put back in
Bled at fuel filter, didn't see any air
Glow plugs are getting 10.9ish volts
Cracking bolts, I can see fuel at injectors when I manually operate the pump; tested all 4

Suggestions?

Thanks,

Ridwan
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  #2  
Old January 6th, 2016, 12:46 AM
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I had a Leakey return line on mine that would do the same thing. The longer it sat the longer it took to fire up.
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  #3  
Old January 6th, 2016, 05:54 AM
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Did your fuel happen to gel up?
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  #4  
Old January 6th, 2016, 06:59 AM
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I have no suggestions, but if your battery is 100% you should have more than 10.9V at the glow plugs.
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Old January 6th, 2016, 08:25 AM
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More glow. 15-30 is pretty light IMO with 12 degree nights the past couple days. Can you coasted it downhill to level ground?
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Old January 6th, 2016, 10:05 AM
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@daddymow - Car's my daily, so it doesn't tend to sit at all; had been driven into the driveway earlier in the day, and normally starts up just fine. (With smoke but that's a diff. thing...)

@jimmy/1of40 - I tried more glow, still no joy. I'm in Atlanta, where lows have been only 30ish, and I've tried starting it only when it was 50ish outside. So I'm thinking fuel is unlikely gelled. Oh, glowplug voltages from before I charged up the battery, can check again, but I'm assuming it's higher now.

I had an idea to bleed the injection pump itself-- I've loosened the 8mm nut on top, but manual pumping thereafter doesn't seem to do anything. Something else I need to do for that?
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  #7  
Old January 6th, 2016, 10:11 AM
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I had starting issues with my 300 TDi when the lift pump failed. From what I remember it might have been worse with cold weather. It was around $12 to replace.
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Old January 6th, 2016, 10:13 AM
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Ridwan, sent you a PM. Can help if you call me.
Will walk you through getting it started.
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  #9  
Old January 6th, 2016, 10:44 AM
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Bad lift pump
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  #10  
Old January 6th, 2016, 10:48 AM
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Bad lift pump was my first thought-- but if so, would I still see any fuel bleeding from the filter when I am pumping manually?
(As a corollary, can someone please explain how that thing works when the engine is running it?)
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Old January 6th, 2016, 10:53 AM
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Quote:
Originally Posted by redline_r View Post
Bad lift pump was my first thought-- but if so, would I still see any fuel bleeding from the filter when I am pumping manually?
(As a corollary, can someone please explain how that thing works when the engine is running it?)
The camshaft pushes a lever. Easy to test. Open the bleed and crank the engine. You should get lots of fuel coming out.

If you are on a hill, then why not bump start? Once these things get any air in the system, they are a pig to start.
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  #12  
Old January 6th, 2016, 10:56 AM
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Quote:
Originally Posted by Red90 View Post
The camshaft pushes a lever. Easy to test. Open the bleed and crank the engine. You should get lots of fuel coming out.

If you are on a hill, then why not bump start? Once these things get any air in the system, they are a pig to start.
When the bleed is cracked, fuel comes out on cranking. So, not lift pump then.

It's facing the wrong direction on the hill. And it's on my neighbor's driveway--with their house behind it aka not taking any chances
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  #13  
Old January 6th, 2016, 11:14 AM
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Diesels wont start unless they spin fast enough. They are compression ignition engines. Try jumping the battery from a vehicle with a high output alternator, ie 120amps or more.

Another thing to try is heating the engine up a bit. I have seen tired old detroit diesels in boats start in very cold temps after a 75w light bulb was laid against the engine block for an hour or so.

Once you have it going again, you may want to get someone to check the compression for you. Tired diesels, ie ones with compression below 340psi are very hard to start in cold weather. Sometimes a simple valve job makes all the difference in the world.
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  #14  
Old January 6th, 2016, 12:55 PM
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Quote:
Originally Posted by Uncle Douglas View Post
Diesels wont start unless they spin fast enough. They are compression ignition engines. Try jumping the battery from a vehicle with a high output alternator, ie 120amps or more.

Another thing to try is heating the engine up a bit. I have seen tired old detroit diesels in boats start in very cold temps after a 75w light bulb was laid against the engine block for an hour or so.
Have tried jumping with the Benz-- spins a bit faster but nothing else.

It's gotten warmer out, 50 or so, but I haven't tried a heater yet.

Also -- I've cracked open each of the fuel injectors where the line comes in from the injection pump, and I see fuel no air on cranking.
I've tried a tiny bit of gas into air intake to get the thing going, still no joy.
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  #15  
Old January 6th, 2016, 01:18 PM
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Have you opened the proper bleed nipple on the injection pump?
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  #16  
Old January 6th, 2016, 01:20 PM
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Quote:
Originally Posted by Red90 View Post
Have you opened the proper bleed nipple on the injection pump?
Is that the 8mm nut on the top? (If no, then what please?)
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  #17  
Old January 6th, 2016, 01:30 PM
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Quote:
Originally Posted by redline_r View Post
Is that the 8mm nut on the top? (If no, then what please?)
Yes, see photo.
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Old January 6th, 2016, 01:32 PM
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I wonder if the solenoid is working. Does it click when you turn the ignition? If it seems to work, maybe pull it off and remove the plunger then put back in to rule it out. You need to stall the engine to stop it with it missing.
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  #19  
Old January 6th, 2016, 01:35 PM
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Great photo thanks. So yes, did that.

Solenoid tested for clicking, and cleaned the connector, but haven't taken it out.

Why doesn't this let me edit my original post to add details?!
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  #20  
Old January 6th, 2016, 01:47 PM
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if you have fuel @ the injectors the fuel solenoid is working.

Try more gasoline but dont use glows
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