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2013 Ram 1500 Hemi Pinging
#1685655
10/14/14 05:12 AM
10/14/14 05:12 AM
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Joined: Nov 2003
Posts: 10,693 Surface of the Sun, AZ
Hotwheelsjr
OP
I Live Here
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OP
I Live Here
Joined: Nov 2003
Posts: 10,693
Surface of the Sun, AZ
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So, my brother just bought a 2013 RAM 1500 4x4 with a MDS Hemi in it...only 2000 miles on the odo (was a "shop truck" for the dealer. He claims it makes a pinging/rattling noise under light throttle or light loaded acceleration. WOT, no noise. He's tried up to 91 octane fuel, thinking it was pre-detonation, and no change. Anyone experience such a thing with the MDS Hemi? From what I understand about MDS, it cuts fuel to 4 cylinders to increase gas mileage at cruise. Could it be MDS leaning the motor out when it's not supposed to be doing so?
He has a full warranty on the truck and has taken it to two dealers. Neither claim anything is wrong. As a matter of fact, both dealers basically shooed him away like they didn't want to be bothered with it. He's at his wits end and would appreciate any feedback anyone has. He claims the noise is loud enough for other people to hear outside of the truck, so it's not a "heard inside the cabin only" type of noise. Help please!
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Re: 2013 Ram 1500 Hemi Pinging
[Re: J_BODY]
#1685658
10/18/14 10:14 PM
10/18/14 10:14 PM
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Joined: Feb 2011
Posts: 4,302 Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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I would put an oil separator on it. Intake can suck oil when they get driven alot without getting warmed up. Also clean the intake out with throttle body cleaner IMO.
Mopar to the bone!!!
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Re: 2013 Ram 1500 Hemi Pinging
[Re: kevin69bman]
#1685662
10/24/14 01:33 PM
10/24/14 01:33 PM
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Joined: Mar 2007
Posts: 12,008 Finally a HUSKER again
Moparnut426
I Live Here
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I Live Here
Joined: Mar 2007
Posts: 12,008
Finally a HUSKER again
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With 2K on the clock, Id agree its not broken manifold bolts, but I have seen odder things come in the dealership. As for the pinging They can ping if puppied around, IE shop truck. Can get oil puddleing up in the intake. Ive seen dozens come in with similar issues and when intake is pulled off like 1/2 cup of 5w20 is dumped out. Id also install a oil separator on it, and drive the crap outa it to clean the tops of the pistons off, use a goot top end cleaner, rod on it, then install separator. Ive fixed a lot in this way. Rizlone, or Seafoam works well.
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