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#11744424 - 07/27/16 07:55 AM 2012 Dodge Ram Hemi Issue
lancedance Offline
Outdoorsman

Registered: 10/21/05
Posts: 217
Loc: Dallas
On cold start have recurring tap, tap,tap,tap,tap from engine. Dissipates quickly. Relatively new occurrence. Engine otherwise seems to be running good. When hot oil temp around 175 degrees. Oil pressure low 50's PSI in normal city conditions. Water temp normal. Oil levels normal.

Is this symptomatic of stuck lifter? Or, another issue perhaps?

If lifter issue, is there risk of further damaging engine?

Will highway driving cause catastrophic failure?

I know it's difficult to answer without hearing noise or hooking up diagnostics, but appreciate opinions nonetheless.

Thanks.
Lance

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#11744436 - 07/27/16 08:07 AM Re: 2012 Dodge Ram Hemi Issue [Re: lancedance]
Cast Offline
TFF Celebrity

Registered: 07/31/12
Posts: 6580
Loc: North Texas - God's Country
Make sure oil filter has anti back flow valve to keep oil in engine.
_________________________
Cast



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#11747039 - 07/28/16 03:21 PM Re: 2012 Dodge Ram Hemi Issue [Re: Cast]
Delbert Offline
Outdoorsman

Registered: 12/10/11
Posts: 55
Loc: Taylor Tx
My 2012 and 2014 do the same thing on occasion it's hard to tell if it's a lifter or injector they told me no worries. The anti drain valve is definitely a good idea. I use Mopar oil filters and it still does it.

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#11747538 - 07/28/16 08:11 PM Re: 2012 Dodge Ram Hemi Issue [Re: lancedance]
jimmye123 Offline
TFF Team Angler

Registered: 11/13/08
Posts: 3167
Loc: tx
It is a lifterrible noise, lots of them do that, I think there maybe a recall or tsb on that issue,.
_________________________
Texas Bass Couples Metro div. director
Whitesettlement Bass Club
93 Champ. HOTROD MERC

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#11766492 - 08/08/16 10:23 PM Re: 2012 Dodge Ram Hemi Issue [Re: lancedance]
SteezMacQueen Online   sleepy
TFF Team Angler

Registered: 11/02/14
Posts: 4220
Loc: Red Oak, Galveston, and Pagosa...
Yep. Bad lifter bores caused a similar symptom on my 300C. It will likely start to cause an irronious cylinder miss fire code. Then the dealer will fix it.
_________________________
RIP little Nitro




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#11766658 - 08/09/16 01:35 AM Re: 2012 Dodge Ram Hemi Issue [Re: lancedance]
Devil Horse Online   content
Extreme Angler

Registered: 01/24/11
Posts: 2261
Loc: East Texas
pretty common on a dodge, pisses me off too.

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