8-Lug Truck Performance Duramax, 8.1L, and HD tech | Intakes | Exhaust | Tuning | Suspension | Drivetrain

Any tips/suggestions for new diesel owner?

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Old 10-26-2012 | 05:19 PM
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Originally Posted by Sammy Bono
So even with jumper cables on the battery if the outside lights are on and no dash lights and no power to starter not letting it crank it might just be the batteries?
Yup , one or two weak batteries even with a jump sometimes won't start it .

Try two good batteries if you can before you buy some , it takes a lot of juice to crank these over , good luck.
Old 10-26-2012 | 05:35 PM
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Oh one more thing to try is to make sure the fuel system is primed, you might need to pump the plunger on top of the fuel filter and crack the bleed screw to get any air out , if there is air in the system it won't start either .
Old 10-26-2012 | 06:08 PM
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Originally Posted by TIM Z
Oh one more thing to try is to make sure the fuel system is primed, you might need to pump the plunger on top of the fuel filter and crack the bleed screw to get any air out , if there is air in the system it won't start either .
Thanks I will do that as it has been sitting a while. It did not crank over at all but tomorrow I will try with a couple of batteries before going out to buy some. Hopefully thats all it is because I need my truck and Michigan winter is not far away.
Old 10-26-2012 | 06:10 PM
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No prob hope it works out for ya , let us know.
Old 10-26-2012 | 07:37 PM
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I hope so too
Old 10-27-2012 | 05:25 PM
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This isn't performance minded but a pretty good suspension upgrade over any regular 2500/3500 is the front bumpstops from the Z71 HD's from 08.5+.

You can get a pair for just over $50 online and made my truck so much more stable on the road and off. It definitely reduced the harshness of every bump I drive along (up here in the Arctic, there aren't many paved roads) and reduced some of the body roll I was getting.

I'm sure a set of Bilstein shocks would help too, I'm gonna jump into the 5160 models with the remote reservoir.
Old 10-27-2012 | 06:01 PM
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Originally Posted by Koots
This isn't performance minded but a pretty good suspension upgrade over any regular 2500/3500 is the front bumpstops from the Z71 HD's from 08.5+.

You can get a pair for just over $50 online and made my truck so much more stable on the road and off. It definitely reduced the harshness of every bump I drive along (up here in the Arctic, there aren't many paved roads) and reduced some of the body roll I was getting.

I'm sure a set of Bilstein shocks would help too, I'm gonna jump into the 5160 models with the remote reservoir.
Hmmm thanks for sharing!
Old 10-28-2012 | 12:52 AM
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Thanks for all the advice guys. Good news after a firm *** kicking the truck gave us we got everything sorted. Changed control arms and two front struts. Changed the sway bar links on the front. changed oil with recommended Rotella T 15w40 and fram tough guard oil filter.

Truck batteries were shot and i purchased new ones but dash still was not lighting up. We went to the fuse box under the hood and realized a lot of fuses were pulled. It appears as if someone wanted to buy this truck and figured it would turn away other buyers when it did not start. I am super happy the thing sounds sweet and engine runs fine. I just need a drive shaft and im good to go.
Old 10-28-2012 | 12:58 AM
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Originally Posted by TIM Z
Hmmm thanks for sharing!
They are supposed to be good upgrades, even to a brand new stocker.

It's probably made the biggest difference to the ride of the truck, even after going through the entire front end with new parts in the last 1.5 years.
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