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Not burning oil not blowing any smoke no check engine light Taking the hills about 25-30 mph so better than it was but not like it used to be. I have a 2008 peterbilt 389 with a 550 cummins isx with egrdpf.

Cummins Isx Turbo Oil Leak Problem Failure Freightliner Kenworth Peterbilt International Volvo Youtube

100000 miles later it dropped a cam load and had to replace the cam.

Cummins isx turbo problems. Air Filter for Cummins 400 ISL. Motorhome Magazine Open Roads Forum. 2000-2004 Cummins ISC owners beware I had a lot of issues until I had my FreightlinerCummins shop install a 2nd filter before the lift pump.

Hello Im havin problems with my VG turbo this is on a 871 ECM. Variable Geometry Turbocharger The turbocharger is one of the most notorious ISX failures and is expensive to fix. Often times when the engine displays a code for VGT actuator issues it might actually be the vanes in the turbo stuckjammed not a failing actuator.

Just another day in the life. If youve been experiencing a stuck or malfunctioning exhaust brake your turbo could be the cause. Long storie short I used to get 40 psi boost now onely around 37 I checked the air to air hose and the clamps there all good.

Not a cheap fix but took care of a lot of issues for me. I am thinking that possibly the waste gate is staying open but dont know if the computer is opening it or if it is stuck. The ISX in Cummins ISX stands for Interact System which is the on-highway fuel system Cummins developed to vastly improve performance.

I bought it 3 yrs ago with 530000 miles with new dpf installed. In short an ISX camshaft can flatten out. Once we hit the flat cruise all day long at 70.

Cummins has come out with a reduced diameter piston to fix this issue however they do re carbon pack every so often. THE NEW CM2350s since theyve been released they have issues with the oil pump drive gear cracking. The turboegr valve test is good but you could have a bad Herion valve or Turbo control valve.

I have also seen repeated turbo failures if there is chunks of carbon buildup in the egr cooler the egr valve or any other exhaust or egr circuit. Many times the EGR cooler would leak coolant internally. Oh yeAH 7000 for both.

The Holset VG is a very durable and reliable turbo and it is usually the problem is attributed to another component as opposed to the turbocharger itself. 67L I6 Cummins Turbo Diesel Engine. The problem is poor boost and loss off horsepower.

Idle fuel psi 250min anything below this you will log low fuel pressure fault. According to Cummins there was a production of rocker arms that prevented proper oil flow starving the components. Also the ECM read in the 200000s in miles.

I could tell that it had a new egr egr cooler turbo and turbo actuator. Instantanious loss of oil pressure from this and turbo. Check 5in travel when vgt is.

Having problems again with Cummins turbo. Today pulled all the way from SLC to Farmington getting bursts up to 20 psi on the turbo but still down on power. The turbo was new in September installed be Cummins and been having issue ever since.

This can be a common problem and it needs a solution to prevent symptoms such as loss of power and erratic idling of a diesel truck. The lobes would often flatten out and then had to be swapped with a new one. Replacement Cummins turbo failed at 59086 miles and 1400 hours 3102013 Rebuilt Cummins turbo failed at 73354 miles and 1670 hours All failures have been due to oil discharge where residu was found on the boots.

We discussed this briefly in Cummins ISX Engine Spotlight. When check engine light come on it derates the enginealways happens in a hard pull going up hillcoming down hill. You say it has oil leaking into the exhaust manifold.

Cummins ISX engines are very popular for on-highway and commercial trucking applications since they have the ability to pull between 430hp 620hp at 2050 ftlbs. ISX turbo junk Well ask a Cat GOof with compound turbo. Depending on the version you have common Cummins ISX engine problems involve the turbocharger EGR camshafts and timing wedge.

This is on a delete isx with the VG turbo. Cummins ISX CM871 Turbo problems. Cummins Turbo Failure Symptoms include.

Another problem with the Cummins ISX is the EGR cooler. The VGT system in your 67L Cummins has a lot to offer. The ISX also has a history of camshaft issues.

Cummins ISL Recall - Possible Connecting Rod Issues. As soon as the ECM commands the actuator to move and it does not move you will start getting error codes for the actuator. I have a cummins isx that has a loss of power and not getting any turbo boost pressure.

I am not getting any active codes either. I have checked all hoses air cooler and dont find anything wrong. Doing the job was very extensive and many parts needed to be disassembled to replace the camshaft.

However it also can be the source of a variety of problems. CAC not affected until 3rd failure. This is not because of an issue with the camshaft itself but with the rocker arms.

I didnt have any problems before new turbo was installed. We stand behind our products with a Full 1 Year Warranty Unlimited Mileage if in the rare case you were to run into any problems with this high-quality New Holset Turbocharger For Cummins ISX 5354715 Our experts are always available to help by chat phone Email. 01-07-2016 0737 AM mar1waldner Wrote.

This is a New Holset Turbocharger For Cummins ISX 5354715. Id suggest you have Gaffney look things over and get their suggestion.