What makes the lifter tick on a Gen III Hemi?
GEN III Hemi Lifter Tick Solved It’s no secret among engine builders and enthusiasts that hydraulic lifter and associated valvetrain issues have plagued GEN III Chrysler Hemi engines for years. Internet forums are awash with tales of engine failures, high repair bills and annoying noises often referred to as the “Hemi Tick”.
Why does my Hemi engine make a tick noise?
It’s no secret among engine builders and enthusiasts that hydraulic lifter and associated valvetrain issues have plagued Late Model Chrysler Hemi engines for years. Internet forums are awash with tales of engine failures, high repair bills and annoying noises often referred to as the “Hemi Tick”.
Why is my Hemi lifter not working properly?
Some fail to use the proper weight oil, resulting in further inconsistency. Pressure within the lifter varies and ultimately fails to overcome spring pressure with the same consistency that the valve spring delivers. Temperature and oil viscosity affect this too.
How much does it cost to fix a hemi lifter?
The standard dealer response is to tell customers, “It’s normal. They all do it.” Dealers see it as a cash cow because they can string a customer along until he agrees to pay for the “out of warranty” repairs which often run upward of $4000-7000 or more.
What causes the lifters to tap on a Dodge Hemi?
There has been much speculation about what causes the lifters to tap on some hemis, especially the 5.7-liter V-8, however there is no technical service bulletin or recall on this engine from Dodge. If your hemi has lifters tapping, it is important to check the amount of engine oil and make sure you are using the right type of oil for the vehicle.
When did the 5.7 Hemi engine come out?
In 2003, Chrysler introduced the third generation Hemi engine family. The first released engine was a 345 cu in / 5.7-liter V8 gasoline Hemi for the 2003 model year Dodge Ram pickup trucks. The 5.7L Hemi (code name is Eagle) replaced the 5.9-liter V8 LA/Magnum engine.
Why does my Hemi Magnum engine keep tapping?
Valve tapping can be caused by several different problems, including a lack of lubricant or a problem in the springs that close and open the valves. Valve problems should be examined by a mechanic to determine the precise cause and possible solutions. References Allpar: The Mopar Hemi Magnum V8 Engines – 5.7, 6.1, 6.4 (392)
Are there any problems with the Hemi engine?
There was one well-known problem with the dropping/cracking of valve springs which existed in early Hemi engines until 2007 when the manufacturer solved this problem by replacing them with newly revised springs. It is also worth noting the high sensitivity of the cylinder deactivation system (MDS) to the condition of the oil.