Dodge ram hemi mds problems

I wrote a whole article on the 57 Hemi engine and most of the problems over here are similar to the ones that had too. Maybe some oils will overcome the problem.

While some users say that they have been using Hemi with MDS without any issues others say that the 57 Hemi with Multiple Displacement System MDS does not function seamlessly at all.

Dodge ram hemi mds problems. I have a 2006 Dodge Ram 4x4 with the Hemi MDS engine. I have had too many problems with this truck to list but now I have a major problem. Got the truck back from the dealer after the last repair and parked it.

Went out and started it about a week later and a very loud and noise started banging and popping from the left side of engine. While some users say that they have been using Hemi with MDS without any issues others say that the 57 Hemi with Multiple Displacement System MDS does not function seamlessly at all. Some complaints even mention the droning of the engine or being able to feel the shift.

When you look around today the 57L and 64L make use of MDS and the users of this Hemi engine have not reported any problem or issue with their engine. Suppose you have an MDS Hemi engine built from 2009 upward. In that case the decision to turn off the MDS is solely dependent on preference operation and driving habits.

The PCM needs to be flashed to remove the MDS solenoids from the programming otherwise you will get codes related to MDS faults. The advantage is that IF you ever change out your cam you dont have to worry about finding one that is compatible with MDS. 7 Common 57 Hemi Problems and their solution.

Hemi is a reliable engine. Though it has some issues with ticking misfiring or exhaust manifold bolts its overall performance is better than many other engines in the market. Without maintaining any specific order here are 7 of the most common 57 Hemi Problems as follows.

Verify that MDS bores are free of debris before solenoid installation. Install MDS solenoid fully into block. Install hold down bolt and torque to 11 Nm 97 in.

Reconnect the MDS wiring harness to the solenoids. Install the intake manifold. Refer to 9 - ENGINEMANIFOLDSINTAKE MANIFOLD - INSTALLATION.

On your steering wheel hit the - button until the info center display shows 8 for the gear limiter. MDS will NEVER come on and you will not have any issues associated with it. KY_ROB the same issues on the GM trucks called AFM is even worse and quite more noticeable.

Its not so easy to turn it off without a device called an AFM DISABLER. A few of the most common problems on the 64 HEMI include MDS solenoids lifter rollers transmissions and engine misfires. Some of the issues are potential effects of the 392 HEMI MDS system.

That can however be manually disabled. While a few of the 392 HEMI problems can be expensive they only affect a pretty small number of engines. I have a 2006 Dodge Ram 4x4 with the Hemi MDS engine.

I have had too many problems with this truck to list but now I have a major problem. Got the truck back from the dealer after the last repair and parked it. My 06 Ram 1500 Hemi wMDS and 260K miles has had zero problems with the MDS.

The key is to used the proper grade oil 5w-20. MDS doesnt really help with city fuel mileage but it does make a difference with highway mileage compared to a non-MDS Hemi. On highway trips I often averaged 19-20 mpg and one time I observed 2102 mpg on a 600 mile.

I will be outlining some of the RAM 64 HEMI problems below. Failure Of The MDS. Failure Of The Transmission System.

Ticking Sound From The engine. I wrote a whole article on the 57 Hemi engine and most of the problems over here are similar to the ones that had too. That is rather interesting.

2 5 mo ago Edited If this is the problem then cop cars should have a horrendous failure rate from their constant idling. I can see his points but I wonder if this makes the hemi very sensitive to various oils. Maybe some oils will overcome the problem.

Apparently some hemis run hundreds of thousand of miles. To disable the MDS on 2009 Hemi Ram 1500 with gear selector in drive drop out of OD press toggle - both buttons at the same time will drop to 1 then just select highest gear to allow trans to up downshift. This must be done everytime upon starting vehicle.

Just dont complain about the mpg. I have a 2007 Dodge Ram 1500 with the 57 HEMIMDS engineIf I shut the engine down when hot and then restart within a short time the idle goes up and down by about 100 RPMIt settles itself out after about 5 or 6 repetitionsThe air filter is clean and I am running good gasI have yet to find a PCV valve despite looking everywhereThis may not be a huge issue mechanically butit. In order to disable the factory multi-displacement system MDS on the 57l Hemi engine in your 2007 Dodge Ram 1500 you will want to use the Edge EvoHT2 Hand-Held Performance Tuner part EP86040.

This tuner is both California CARB compliant and will increase horsepower and torque up to 18 HP and 26 TQ respectively. Use the auto-stick feature on your transmission if so equipped. When the transmission is in auto-stick mode MDS is deactivated.

This is the only way to disable MDS without performing modifications to your vehicle. You can leave the transmission in fifth gear and it will shift up and down as needed but the MDS system will not engage. Yeah its got a Hemi in it.

The Range MDS Manager allows your Hemi-equipped vehicle to run in 8-cylinder mode at all times preventing the Multiple Displacement System MDS from dropping cylinders. Our patented technology is the only product that will disable MDS without reprogramming the factory ECU. Steps to Disable MDS on a Hemi.

The process is quick and easy but is different depending on the kind of shifter and transmission you have. For Shifters in the Center of the Vehicle Put the Shifter in Manual Mode and Shift It to the Driver Side 6 Times. 57L HEMI tick problems.

There was one well-known problem with the droppingcracking of valve springs in early Hemi engines. In 2007 Chrysler solved this problem by installing updated springs. As for today some owners are faced with a strange ticking sound in the modern 57L Hemi engine coming from the valvetrain.

This the tick is common for 2009 Hemi V8s with the MDS system.