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Old 10-11-2011, 07:49 PM   #1
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Default Off with its head!

Following on frfom my previous thread http://sprinter-source.com/forum/showthread.php?t=17457
I'm taking off the head, to see if the gasket is gone and that is what is pressurising the cooling system.
I don't have alot of time, with work, family etc. Got an hour on it tonight.
Good news is I have one injector out, the others will come out.
I have managed to borrow a puller, it's an S shape with a fork to fit under the injector and a bolt to lever on the other end.
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Old 10-11-2011, 08:03 PM   #2
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Default Re: Off with its head!

I had to cover it with blanket and crank few times.
Always worked.
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Old 10-12-2011, 10:23 AM   #3
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Default Re: Off with its head!

John

That is one of the options, coke + Deblock + Plusgas is working so far.
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Old 10-15-2011, 05:14 PM   #4
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Default Re: Off with its head!

Well cranking it didn't work.
Nor did coke, rost off ice, plus gas, freeze spray, MAP blowtorch
I even bust two pullers

So it's engine out time
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Old 10-16-2011, 07:31 PM   #5
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Default Re: Off with its head!

You can't put it on a dyno first?
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Old 10-18-2011, 11:20 AM   #6
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Default Re: Off with its head!

Quote:
Originally Posted by shortshort View Post
You can't put it on a dyno first?
Sorry mate I don't understand what you are saying there. We don't have a dyno locally.

Anyway the engine is now out and will be off to see the man with a 20 ton extractor as soon as I can get the time off work and borrow another van to get it there.
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Old 10-18-2011, 01:47 PM   #7
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Default Re: Off with its head!

No coolant in the oil, right? Roll it up on a dyno and see where the coolant is going.
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Old 10-19-2011, 11:29 AM   #8
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Default Re: Off with its head!

I see what you mean but, there isn't a local dyno that I could have got the van to.
The system was pressurising and blowing out of the rad cap. It wasn't getting hot and no leaks anywhere else. No coolant in the oil. Tried a new rad cap. Pressure tested everything. tried a new thermostat & serpentine dive belt. Pump is fine. Just wish I could shift these injectors.
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Old 10-21-2011, 02:33 PM   #9
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Default Re: Off with its head!

Well the engine went to the man with the 20 ton extractor.

In the red corner, the engine, with one loose injector but unwilling to give up the other three.

In the blue corner a custom made 20 ton force hydraulic extractor.

Round 1 - Using a mercedes C shape puller, injector number two came out, but we have to give the first round to the engine as numbers 1 and 4 were still stuck fast.

Round 2 - Taking the tops off the injectors removing the insides and screwing in a puller to link to the extractor, number 4 gives up, but number 1 stays stuck fast.

Round 3 - MAP gas supplying direct heat and we have a winner

All four injectors are out.
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Old 10-22-2011, 06:31 PM   #10
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Default Re: Off with its head!

Head is off.

Head is now with the cylinder head man who is going to pressure test it.

Bores look really good, honing marks are still there.
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