Question about 2001 Oldsmobile Aurora

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Lifter noise I bought an 01 Aurora 3.5 . Engine has good compression, good oil pressure, noisy lifters. Removed all lifters, soaked in gumout overnight, compressed and released them to loosen them up, then reinstalled them in engine. Noise is still there, no change. Do these lifters wear out? engine has 120K miles

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  • tbalfanz Jul 24, 2008

    I also developed a lifter noise in my 99 Aurora.
    Olds Dealer said it was because I used 5-30W, not 10-30W in the last oil change(100 miles ago).They changed to 10-30 and told me to drive awhile. Apparrently here in Ga when days can get to 90+ it can damage engine.
    Not sure what to do now.


  • Anonymous Dec 01, 2008

    I have the same problem and was told it might be an engine bearing

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If the engine runs good and has high mileage, it might be the timing chain guides that are worn out

Posted on Jun 26, 2008

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Why does the initial cold start on my2.5L 1996 subaruhave noisy hydraulic lifters


Noise lifters on a 2.5 engine of the first generation are an unusuak problem; these engines are known to have "piston slap", which can sound fairly similar to noisy lifters. I owned a Forester with those symptoms and drove the car for more than 3 years without doing anything about it. The only real cure would be an engine rebiuld, which is , in most cases, not worth the effort, especially since most of the "stricken" cars continue to work without any problems for a long time.

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Why doesnt my 2006 dodge ram show codes for faulty lifter or or oil pressure. My truck makes a loud ticking sound coming from passenger side. sounds as if the lifters are knocking. took it in to the shop...


Most mechanical problems, such as noisy lifters or bearings, can't be detected by the engine controller and thus there won't be any codes set UNLESS the problem is causing a misfire or emission related concern. The ticking noise may well be a lifter even though none of them appear to be collapsed as the spring inside them will keep the lifter expanded but isnt' strong enough to keep them from being noisy when the lifter can no longer keep oil under pressure trapped inside. You may have to have someone do some further testing and inspecting to figure out exactly where the noise is coming from. Good luck, hope this helps!

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Oil pressure starts dropping after a few miles. the pressur finally drops to 0. engine is running smoothly without noise.


with no noise from lifters it's gettint oil. may just be the gague, or could have a pin hole in pressure lint to gauge. good luck.

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1 Answer

How do i stop my lifter in the motor from sticking...it makes my engine sound like it needs oil


I doubt if there is a lifter sticking. People who say that usually don't know what the noise is. Lifters in your car are operated by oil pressure from the oil pump in the engine. If you are low on oil you will hear lifter noise, probably from more than one lifter. If you are that low on oil, you have probably done some serious damage to your engine. In short, without tearing the engine down you can do nothing for a noisy lifter.

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All lifters started clicking at once


Sounds more likely to be a timing rattle rather then all the lifters at once making noise, if your EGR valve is bad this will happen and if the timing is off it will also do this, I can't buy the theory all 16 hydraulic lifters are noisey unless you over reved it something fierce, or ran it out of oil, or had someone loosen all the rockers.
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I have a bad tick/knock in my 05 dodge3500 changed lots of sensors and pump but no change. just put engine in this summer bought used off junk yard. engine also lacks power. can anyone please help me out....


Hopefully all you are hearing are poor valve lifters. As the lifters wear they will not hold oil pressure as they should and create a ticking noise as the valves open and close. With luck you can just change out the lifters and bee in good shape with the engine power too. I have seen situation where as the lifters have collapsed so the valves would not open fully causing the engine to run poorly. Being a used engine I'd run a compression test. This will give you a good feel for the condition of the engine. If the compression readings are low it will surely effect the engine's runability.
I hope this may have helped,
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Sudden oil leak and engine noise


It looks like you drove your car with no oil in your engine, unfortunately you should have stopped the moment you started to hear the "rapping noise" since you could have severely damaged your engine. If the noise continues even if you have a normal oil reading you most likely would have to overhaul your engine since by driving it oil dry several parts may have resulted damaged.

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My friend just got a 1988 ford ranger  v6 2.9L and has a valve tap and was wondering what different kind of ways he could fix this


if its an ohv type the most common fault is that the oil ways to the rocker shafts become blocked
so get some flushing oil drain the oil and replace with the flushing oil and run for the time stayed on the can then Change to good quality oil and new filter
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you could try flushing as above but apart from that the only other way is to change the lifters and followers
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