Re: 3.5L Death Rattle
[Re: Greg55_99]
#2032546
03/16/16 06:34 PM
03/16/16 06:34 PM
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Joined: Sep 2004
Posts: 6,906 IL, Aurora
ademon
master
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master
Joined: Sep 2004
Posts: 6,906
IL, Aurora
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Well you did get another 115k after the rattle started, so can't be to pissed on the extra money and work to get it corrected, right??
Last edited by ademon; 03/16/16 06:35 PM.
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Re: 3.5L Death Rattle
[Re: minivan]
#2033211
03/17/16 03:57 PM
03/17/16 03:57 PM
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Joined: Dec 2010
Posts: 1,035 Missouri U.S.A.
71yelladustr
super stock
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super stock
Joined: Dec 2010
Posts: 1,035
Missouri U.S.A.
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The actual problem is not the rocker arms, but the rocker arm shaft locating pins shearing off. This allows the shaft to rotate and cause a non oiling situation to the rocker arm. The lash adjusters then collapse. This causes the rocker to "bounce" on the cam lobe and then eventually takes out the cam.
392 gen III hemi on E-85 727 trans Dana 60 10.02@134
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Re: 3.5L Death Rattle
[Re: Greg55_99]
#2033447
03/17/16 10:49 PM
03/17/16 10:49 PM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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It started to "click" at 98,000 miles and I took it to the dealer. They told me it was injector noise. By 110,000 it had gotten louder but the power train warranty had expired at 100,000. Oh then thats different as I did not realize it had a 100,000 mile powertrain warranty. If you have it on record at 98,000 miles that you complained about the noise then they should honer it since you brought it in for that noise while still under warranty. Did you call Mopars cust help line ? If not you should and tell them what happened and they may cover it for you as they should. And if you have your receit from the dealer that says you complained about this at 98,000 then you have ammo to go to Mopar cust service with and try and get it covered as they should since you complained about it before the warranty was up. Good luck , Ron
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Re: 3.5L Death Rattle
[Re: Greg55_99]
#2033794
03/18/16 02:28 PM
03/18/16 02:28 PM
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Joined: Sep 2007
Posts: 300 MA
Greg55_99
OP
enthusiast
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OP
enthusiast
Joined: Sep 2007
Posts: 300
MA
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It starts as a "tick, tick, tick" then goes to a "click, clack, click" or if you let it go long enough, it progresses to a "RATTLE, RATTLE, RATTLE!". At that point, as you can see, when you tear it down, things get real ugly... and more expensive. Catch it early and you're golden.
I really can't complain. The engine has 215,000 miles on it and it still runs great and uses no oil. I had to put the new rocker arm assembly on the bad cam because the car is my daily driver. No more ticking but I know the cam will chew up the roller tip on the rocker eventually. So, I'm hunting up another cam and will tear it down again at a later date. Right now though, the engine runs great! Gas mileage went back up to about 25 mpg. Go figure....
Oh, and change the plugs while you're in there.
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Re: 3.5L Death Rattle
[Re: Greg55_99]
#2033986
03/18/16 07:23 PM
03/18/16 07:23 PM
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Joined: Jan 2003
Posts: 3,923 Richmond, Indiana
19swinger70
master
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master
Joined: Jan 2003
Posts: 3,923
Richmond, Indiana
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I have a 2006 Magnum with the 3.5HO. It has 192,000 on it. I really haven't noticed any engine noise - but it uses about a quart of oil between changes. It has used the oil since it was new.
I'm getting a new vehicle at the end of the year - so it only needs to last another 15,000 miles.
1970 340 swinger. sublime 1967 barracuda fastback BB 55 Plymouth Project
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