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Old 01-28-2018, 02:29 PM   #1
Dave J
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Default Slow crank no start

Hi,

This is an epic saga!

I have a 2003 Gulfstream Friendship Quattro. The unit has a 3126 7.2l diesel engine. It has 80,000 miles on the clock. I bought the unit in October 2016 and hired a driver to deliver it to my home about 2,000 miles away. It was driven here and according to him it performed perfectly. It was winterized and parked in my driveway for the winter. When I came to start it in the spring of 2017, it cranked very slowly and wioud not start. I figured oxidised or rusted battery leads, so I cleaned them all. Still slow crank! I took the batteries out and tested each on a car I have. Both performed perfectly. I then figured perhaps the solenoid. I finally found the exact model (new) and purchased it. After installation still slow crank and no start. I then figured that the starter motor was flakey so finally found the identical starter motor (new) purchased and installed it. Still slow crank Finally I gave in and purchased two new batteries (1000CCA) group 31. Made no difference, the crank is too slow to start the unit. So now I have absolutely no idea what else to look at.Now that we seem to be getting the odd day above freezing, I wanted to sort this out hopefully before my better half gets on my back about a wasted purchase that we have never been able to use! Phew! Any help would be greatly appreciated .

Thnks


Dave
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Old 01-29-2018, 01:20 AM   #2
Sudsy
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Default Battery Chager

Sorry, read it again.
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Old 01-30-2018, 05:23 PM   #3
Burkejonathan
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I’m having the Exact same problem with our Gulfstream T 40 B at this very moment!

I didn’t change the starter but had it running the other day on a jump. After replacing the batteries, and bridging the house with the engine I can’t even get it to start.

Anyone have advice for us?

Thank you,

Jonathan

2007 T 40 B
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Old 01-30-2018, 08:39 PM   #4
Dave J
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Hi Jonathan,

If and when I figure mine out I shall message you. Unfortunately it may be a few days as we have been dumped on with close to a foot of snow today, so no climbing underneath right now.

Cheers


Dave
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Old 01-30-2018, 10:31 PM   #5
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Default Warm the engines up

You both need to figure out a way to warm those engines up. I don't know sh@@# about diesel motors but I do know they don't start well if they are cold. Build a fire. Take some big smoldering logs and put them under the engine. Warm up some big rocks! Get a dipstick block heater or an engine heater blanket but warm them up somehow. Then they will start. If you do get them started start them every day while its cold.



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Old 01-31-2018, 01:36 AM   #6
Dave J
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Hi Sudsy,

Thanks for your reply.

I don' think my problem can be just heat because this has been a problem for a year now and our summer was hot but it still cranked over very slowly. Actually it will only crank for about 4-5 seconds.

I think though your idea of a block heater is excellent and I shall purchase and install one ... when the white stuff leaves!

Thanks again.

Cheers

Dave
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Old 01-31-2018, 12:55 PM   #7
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You should already have an engine heater installed. The cord/plug should be hanging down from the top of the compartment where the power cord is
installed.
The heater plug will need to be plugged into a 120 volt electric source for a couple of hours.

Ron
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Old 01-31-2018, 12:59 PM   #8
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One other thing, check to see that your engine start batteries are wired/connected correctly so that you are drawing 12 volts from both at the same time.

Ron
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Old 01-31-2018, 01:38 PM   #9
Dave J
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Hi Ron,

Thanks for your 2 replies, I will not be able to check for a while as we are heavily snowed under and it looks like with the predicted temperatures there will be no meling for at least 7 days. As soon as I can I will respond in this thread.

Cheers


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Old 02-02-2018, 05:31 PM   #10
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Very similar experience with our SN6331. Have you tried jumping it off? Our SN was doing the same thing and I figured the batteries were just weak. Put the charger which has a start boost. At first it did the same thing with the boost on, put it back down to 20 amp charge for about 30 mins came back out, turned the boost back up and cycled the glow plugs a couple times and she fired right up. Just something else to try if you haven't. House batteries fired the generator right up...which was weird because last year I had to the same thing to them a couple times.
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