Hello all. I have a 2019 Ram with the 5.7 and lifter tick (68K miles). Mechanic is taking it apart right now but pretty sure will need a new cam and lifters. This truck has been a consistent source of minor irritation for me prior to this major irritation. What is the long term outlook for reliability after the new cam is installed. I change oil religiously every 5K miles. Previous owner probably did not. Right now I am trying to decide if I cut my losses.
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2019 5.7- reliability after replacing cam/lifters
- Thread starter eicht
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Jako
Spends too much time on here
Read my build below. I wish I had your problem. Tuesday will be 8 weeks at dealership with nada done as this point. I'm as perplexed as you.
jim@villageab
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what did you decide to do ?
knock on wood- same truck and i dont have this problem yet and am coming up on 65k with my extended warranty expiring at 70k
i love the truck and thinking about extending the mopar warranty and waiting to see what the new models look like in a year or 2
OCD Solutions
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You hold onto the good ones and move on from the bad ones and hope the next one is a good one.
N7GZN
Active Member
A few thoughts to consider when rebuilding a hemi from Cam and lifter damage..
Metal shavings can accumulate inside the intake which are hard to clean out, consider replacement of the intake as a precautionary measure.
It would be prudent to remove and clean out the oil pan, and possibly replace the oil pickup.
With the mds and cam phaser, oil volume at idle taxes the stock oil pump. Also consider that the idle speed is programmed lower to save fuel. In addition, the camshaft is shrouded by a oil feed casting, so splash oiling from the crankshaft is compromised. With these items, extended idling should be avoided.
When rebuilding a hemi, an option is to replace the stock oil pump with a hellcat variant which has greater volume at idle. Replace the hellcat oil pump pressure regulator spring with the OEM pump pressure spring; the goal is increasing idle oil volume, not pressure, this results in more oil drainback to the cam and liftes.
Fwiw..
Metal shavings can accumulate inside the intake which are hard to clean out, consider replacement of the intake as a precautionary measure.
It would be prudent to remove and clean out the oil pan, and possibly replace the oil pickup.
With the mds and cam phaser, oil volume at idle taxes the stock oil pump. Also consider that the idle speed is programmed lower to save fuel. In addition, the camshaft is shrouded by a oil feed casting, so splash oiling from the crankshaft is compromised. With these items, extended idling should be avoided.
When rebuilding a hemi, an option is to replace the stock oil pump with a hellcat variant which has greater volume at idle. Replace the hellcat oil pump pressure regulator spring with the OEM pump pressure spring; the goal is increasing idle oil volume, not pressure, this results in more oil drainback to the cam and liftes.
Fwiw..
theblet
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You sure it’s not the exhaust manifolds? 68k miles is a bit premature for lifter failure
Mr.Grid
Well-Known Member
Don’t follow the oil minder and change oil / filter every 5k with correct synthetic and you should be fine well over 100k. My 2011 had 180k when a lifter roller needle failed and this was with over half the mileage towing a #7k enclosed car hauler. I changed oil religiously at 3k miles in that 2011 using semi-synthetic Citgo brand. In 2017 they increased the roller needle bearing diameters.
My 2022 gets the oil changed using full synthetic when the oil minder is at 50% or 5k miles. I’m towing over half of the time and the oil minder hits 50% at 4500 miles. I change it……. it’s the absolute cheapest thing you can do to keep the Hemi lifters from failing imho. Any MS-6395 rated oil brand and the factory MO-339 filter (bought a case of 12, Amazon). Oil changes are cheap and easy compared to engine failures.
