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How to quiet noisy lifters

When startin truck when its cold i hear a ticking in the motor when it warms up its not as loud but still there

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: ticking lifters

I've seen 2 things that cause a noise like this in those vans. The first has nothing to do with the lifters, but the exhaust. The exhaust manifold to head bolts will back out a bit and make noise. The first time I heard it, I swore up and down it was lifters and tore the whole motor apart to find out there was nothing wrong with them. When I say I tore the whole motor apart I mean like, the freakin heads have to come off. This is easy to check when it's cold. Just go around to all the bolts with a little ratchet or something and see if they need to be snugged up. There is no exhaust manifold gaskets on that motor so if they're loose, once you tighten them they're fixed. Also check the manifold to manifold crossover pipe above the transmission. Normally this is louder than a lifter tap, but you never know. Just feel around it for hot air while it's running. The second cause that I know of for this noise is the camshaft. The lobes become pitted and as the rollers on the lifters go across the damaged area, it makes noise. If this is the case you get Kit A (thats a short block). According to chrysler, the camshaft is not a srviceable part in the 3.3 and 3.8L engines. You can check for this by removing the upper and lower intake manifolds and peeking down between the heads as you have someone slowly crank the motor over by hand. You should be able to catch a glimpse of the lobes through some of the broken lookin' holes in the block (maybe). I doubt that it's actually a lifter. There's no adjustment on chrysler 3.3 and 3.8L's and in 10 years I've never seen ONE that was bad. If it were mine, I'd check for ehaust leaks and if I don't find any I'd turn the radio up. As far as I can tell there aren't any side effects of the pitted camshaft other than noise besides the 1 I saw that casued a misfire.

Posted on Apr 15, 2009

  • 3 Answers

SOURCE: Lifter ticking when I start my 1999 Chevy Tahoe

Your lifters have become clogged over the years. Its only after the oil warms up and thins out does it allow oil to "pump up" the lifters. That's why it goes quiet after 5 min. There are several different brands of additives on the market that can fix this problem ,unless you have a more serious mechanical problem, which I doubt.Check your local auto parts store for the additive. Just add it to your oil and "wham!" problem solved. Good Luck!

Posted on Jun 16, 2009

  • 92 Answers

SOURCE: how to solve engine lifter tick noise

Get the heads worked on or replaced it might need a valve lashment.

Posted on Jul 01, 2010

  • 8 Answers

SOURCE: ticking when cold

It could also be the infamous "Piston Slap" common in 1999-2002's.
GM "standardized" pistons or something like that and they did not fit the cylinders tight enough. The pistons "slap" the cylinder walls and make a tapping sound for the first few minutes until the pistons expand to fit. GM would not fix it and says it does not hurt the longevity of the motor ( yeah ri--ght! ) Do a google search for piston slap.
Oil level would help if it is a lifter ticking but will do nothing if it is the pistons slapping the walls. My 02 silverado has been doing this since almost new and the above description is straight from GM and a few visits to the dealership while under warranty.

Posted on Jul 05, 2010

  • 63 Answers

SOURCE: Loud lifter noise

Over time and miles the lifters tend to collapse and the only way to quiet the noise is to replace them or use something like lucas to try to keep the pressure up in the lifters. If you did replace the lifters it would help with performance because when the lifters start to collapse the valves do not open all of the way. Hope this helps!

Posted on Jul 30, 2010

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Lifter noise(s) can be a combination of things........ 1. High mileage on engine. 2. Not using the correct oil. 3. Lots of sludge build up in motor due to lack of oil changes and the quality of oil that you are using. Hydraulic lifters rarely fail but it does happen, given the conditions on how the car was maintained. I can offer you a solution but no guarantees on what might quiet this lifter down. It's a 50/50 chance. On your next oil change, I would recommend taking your vehicle to a facility that sells BG products. It's a company that formulates chemicals that have great cleaning properties to your fuel system and oil lubricating systems in your engine and at the same time, it is safe on all rubber seals in your engine. (Especially Higher Milage Vehicles) Ask for BG MOA to be added in you next oil change or if you do your own oil changes, you can find this product on line and can purchase from there. What the BG MOA does, it helps break up sludge and build up on the inside of your engine and helps to free up your valves, piston rings and noisy lifter(s). Hydraulic lifter(s) tend to make noise when they can't sufficiently pump up with oil due to sludge and build up blocking the oil inlet passage. Worn lifters on cold start up may be very noticeable but eventually the ticking goes away after engine warms up and the hydraulic lifter(s) had time to pump up. Make sure that you don't have a exhaust manifold leaking as well due to a crack or a failing exhaust manifold gasket. This can also emit a ticking noise in which can be misdiagnosed for a ticking lifter. A leaking exhaust manifold can usually be identified by the ticking noise getting louder and faster when accelerating and quieter and slower when decelerating. Ticking noise is loud on cold start ups but not noticeable at all when engine is at operating temperature. Hope this will help you out.

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Visit http://www.ratwell.com/technical/HydraulicLifters.html for a good explanation on how hydraulic lifters work.

Might be a bad valve adjustment (yes, valvetrains with hydraulic lifters still have some kind of adjusting mechanism), or lifters which get airlocked (bleed down fast and have a hard time pumping back up by themselves)

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