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Old 11-25-2015, 11:47 PM   #1
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Cummins 5.9 won't start for a half an hour after running

Hi guardian angels of the Skoolie world! My 97 bluebird is acting funny and it seems to be slowly getting worse . at first she would only do it once in awhile but now it is consistently not starting for periods of time when I shut her off to go in the store etc. Otherwise she's running like a champ!

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Old 11-26-2015, 06:03 AM   #2
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Not enough info. Does it not crank or crank and not start? What engine?
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Old 11-26-2015, 09:25 AM   #3
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Sorry 97 bb with Cummins 5.9 12 v mechanical engine and yes she cranks right. Over but acts as if its either flooded or not getting any fuel
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Old 11-26-2015, 09:29 AM   #4
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Probably fuel, change filters first.
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Old 11-26-2015, 12:04 PM   #5
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Check the solenoid on your injection pump when you turn the key.
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Old 11-26-2015, 12:53 PM   #6
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What do you mean by check it?
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Old 11-26-2015, 04:29 PM   #7
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I had a fuel delivery truck that did that to me, with the cummins. It ended up being the lift pump.
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Old 11-26-2015, 08:03 PM   #8
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If you have a mechanical engine, there is a solenoid to shut off fuel when you turn off the engine. At the same time, it needs to give you fuel to run. When you turn the key, it should activate the solenoid. It is just one item to check.
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Old 11-27-2015, 12:32 AM   #9
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Is there a place on Skoolie where I could find someone willing to show me and help me fix the major problem I'm facing with my bus in the near future she's leaking about 2 quarts of oil tank from the seal the o-ring above the rear main seal I think it's in the camshaft or something
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Old 11-27-2015, 01:09 AM   #10
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Quote:
Originally Posted by Sunbear View Post
Is there a place on Skoolie where I could find someone willing to show me and help me fix the major problem I'm facing with my bus in the near future she's leaking about 2 quarts of oil tank from the seal the o-ring above the rear main seal I think it's in the camshaft or something
That would be a front and rear main seal you need to replace.

Not a small job.

Google front and rear main seal videos on you tube. You will get step by step instructions.

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Old 02-03-2016, 08:57 PM   #11
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Quote:
Originally Posted by Sunbear View Post
Is there a place on Skoolie where I could find someone willing to show me and help me fix the major problem I'm facing with my bus in the near future she's leaking about 2 quarts of oil tank from the seal the o-ring above the rear main seal I think it's in the camshaft or something
Requires pulling the transmission out so unless you're up for some serious work that might be a job you just want to pay up for.
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Old 02-29-2016, 01:05 PM   #12
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Originally Posted by crazycal View Post
Check the solenoid on your injection pump when you turn the key.
Yes thank you solenoid not functioning works by hand though
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Old 02-29-2016, 01:47 PM   #13
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That's interesting that the selinoid wouldn't work until it cooled off.

Sorry to say that your bus sounds like it has some major issues. Expensive issues. You pretty much need a shop to be able to do that kind of work yourself, or you have to pay someone to do it for you.

Best advice is shop around for a good mechanic in your area. That's a popular engine that isn't difficult to get parts for. Do what you can do yourself then farm the rest of the work out. You're talking about mechanical work you aren't going to want to do in your driveway. Just make sure you don't take that rig apart and then stall out because of the complexity of the job.

You're scaring me because I have the same year and model of bus.
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Old 02-29-2016, 02:48 PM   #14
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Fuel supply solenoids are frightfully consistent in causing problems on just about all diesels equipped with them. They are expensive by themselves but can cause potentially far more expensive problems.

The simplest solution is to go back in time. Throw the solenoid away (or sell it on Ebay) and hook up a cable or push-rod system to shut the fuel supply off and on.

Mine was functioning fine but after talking to the diesel tech I am working with and hearing the possible negative outcomes...he convinced me. Stick with KISS. Big deal, you have to remember to use it to start & stop the engine, but either way it is 100% positive.

PS...my old BB had such a big, red dash knob for the 6V53 Detroit so it's not a new concept to me.
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Old 02-29-2016, 03:52 PM   #15
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Yeah, a manual fuel shutoff is old school and kind of safeguards your rig.
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Old 02-29-2016, 04:07 PM   #16
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Quote:
Originally Posted by Tango View Post
Fuel supply solenoids are frightfully consistent in causing problems on just about all diesels equipped with them. They are expensive by themselves but can cause potentially far more expensive problems.

The simplest solution is to go back in time. Throw the solenoid away (or sell it on Ebay) and hook up a cable or push-rod system to shut the fuel supply off and on.

Mine was functioning fine but after talking to the diesel tech I am working with and hearing the possible negative outcomes...he convinced me. Stick with KISS. Big deal, you have to remember to use it to start & stop the engine, but either way it is 100% positive.

PS...my old BB had such a big, red dash knob for the 6V53 Detroit so it's not a new concept to me.
Remember how we used to shut off M35s and M54s? Exactly the same way.
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Old 02-29-2016, 06:04 PM   #17
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Yeah...pretty fool proof. And...CHEAP!
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Old 02-29-2016, 06:24 PM   #18
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So turning the key forward and manually lifting the solenoid can damage my bus?
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Old 02-29-2016, 08:41 PM   #19
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No, your selanoid is probably trash anyway since it doesn't seem to be working correctly. You're lucky you're able to manipulate it manually. It's just an electric valve that shuts off the fuel supply. Cutting off the fuel or air are the only ways you can get a diesel to stop. CO2 fire extinguishers are good around diesels because if you ever have a runaway you can flood the air intake with co2 to kill the engine without damaging it. Maybe these newer engines don't do that because I haven't heard of it for a long time.
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