Seafoam Motor Treatment.
Sometimes depending on why lifters are noisy. If there is a piece of dirt stuck in one or it's damaged it needs replacing
Change the ones that are damaged. There are 16 total.
you can try adding "lucas engine oil additive: but pretty much all that is happing is the lifters are little noisy until the oil circulates thru engine and lifters, basically not much you can do about it
For noisy hydrolic lifters (eg Mitsubishi etc) Get some : PRO-MA MBL8 OIL ADDITIVEThis stuff works great and keeps them quiet for about 5000km in my turbo lancer
Noisy lifters in 2.2 and 2.5 sohc engines are usually indicative of a worn camshaft, as many were replaced under warranty.
There is no adjustment for hydraulic valve lifters. Lifters can be noisy on some of these models. After ascertaining there is no mechanical damage/broken parts, change engine oil and add 1/2 bottle of STP Oil Treatment (or more if necessary) until lifters are quieter.
No adjustment can be made. The lifters are hydraulic. The rocker arm nuts are torqued to 19-22 ft lbs. If you have noisy lifters replacement is necessary. Replacing the lifters requires removal of the head. Be sure to also check cam and push rods for wear.
If the hydraulic lifters are making noise they shouldn't be making, then there's probably more to it, and it's likely a problem which should be covered under such a warranty.
Sometimes putting a jug of transmission fluid in your oil will clean the junk out of your lifters and stop your noise - if it is an older vehicle with adjustable rockers you can adjust and get rid of the knock.
there is no way you can.
Dodge Rams are known for their ticking due to "noisy lifters". This problem has been ID'd by some individuals as Dodge's use of cheap Chinese made lifters for their 5.7s. To get rid of this you would actually need to replace the lifters with after market lifters. Now if you're referring to a tapping+fluttering sound when you accelerate then you will most likely need to check on your valves.
If you have a noisy timing chain you need to replace it.