1999 jeep grand cherokee 4.0 gas tank removel

due to the reliability of the 4.0 engine, you don’t have to worry about it having any problems as long the engine is well taken of, you should be fine.

So the engine is said to last 150-300k miles before experiencing any common engine issues.

This is one engine that has very little complaints when it comes to longevity, during the research I found people who drove as high as 240k miles and experienced no problems with the engine. The 4.0 engine is almost impossible to break if you serve it the right way. These engines can survive unforgiving conditions that would break any engine. What makes this engine reliable is the fact that it has no advanced features like variable valve timing and variable valve lift that many modern inline-six engines use, because of this only, only a few things on the engine could possibly break. Due to the simplicity of the engine, which stood the test of time going all the way back to the 1960s when it was first introduced. With so many inline-6 engines on the market, the jeep 4.0 engine is one of the best when it comes to reliability. the 4.0 engine has 2 valves for each cylinder and does not have a camshaft on top of the engine (unlike most inline-6 engines). 6 Conclusion on jeep 4.0 inline 6 reliability What is Jeep 4.0 EngineĪs the name suggests this is a 4.0-liter inline-6 engine that consists of a cast-iron block and cast iron head.

1999 jeep grand cherokee 4.0 gas tank removel