Cummins exhaust leak sound

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Symptoms of a Bad or Failing Exhaust Manifold Gasket

May 27, I have a international with cummins isx I have fumes coming in cab had it to multiple shops they can not find anything wrong. I can not keep driving this truck any ideas. Thanks Mike. Mike MMMay 27, Had my truck at multiple shops can not find problem. Check for exhaust streaking from where the manifold bolts to the head at each port. The exhaust manifold is actually 3 sections, so check each main slip joint for any streaking.

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Egr piping also goes along the back behind the head and may be leaking, that's a hard area to see. HeavydMay 27, Heavyd Thanks this. Jun 3, Found leak in egr pipe around back of engine that did not solve the problem any other ideas?

Mike MMJun 3, Does this have a "Y" pipe with exhaust stacks up the sides?

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Check for holes on the top of the piping that can't be seen from underneath. HeavydJun 3, Jun 4, Can exhaust manifold be leaking if no black streaks?

Mike MMJun 4, That is possible, but rare.

Cummins ISX Exhaust Leak

Leak bad enough to leave no visual sign usually has a noise or loss of power. Continue to follow the egr piping around to the intake side of the engine.

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That is all rigid piping there and we have seen the odd cracked pipe from time to time. HeavydJun 4, Yes, let employers and TruckersReport text me with new opportunities, job alerts and other career information to the number I provided.

There is no charge for this service, but standard message and data rates may apply. Show Ignored Content. Draft saved Draft deleted.Cummins QSB 5. My dock mate has a 06 Meridian with hp Cummins, less than hours. The port engine started overheating on him while cruising. He says he caught it before the alarms went off and shut it down.

I'm thinking he shredded an impeller and told him pick up a couple of new ones and I'll help him install them over the weekend. He called today from the marina and said he is leaking traces of what appears to be diesel into the water from the underwater exhaust. He further says when he activates the the engine electronics he notices more of a sheen from the exhaust.

Is it possible for diesel to leak from a non-running engine into the exhaust on this engine?

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How would diesel pass thru the stack being heavier than water? I want to help him out and trace down the cooling issue but I don't want to cause a mess in the marina if I fire up that engine and lay down a big slick. I went down and looked at the exhaust today, at the exhaust there was a postcard size sheen until I jumped on the swim platform, then it grew to the size of a sheet of paper. Thanks for any opinions.

Is the turbo raw water cooled in any way on this setup? I could see that being a possibility in a minor overheat.

cummins exhaust leak sound

I didn't have time to or tools to really check it out today other that check the engine oil and coolant which looked ok. Didn't check the trans though.

Does sound like it's in the exhaust system and bouncing on the swim platform changed the level of the water in there and allowed more 'oil' to escape. Like brucie said, one of the coolers. Charlie There is much to be said, in a world like ours, for taking the world as you find it and fishing with a worm.

End plates and seals are usually needed. Any rust on the weep hole means a total rebuild. How would you check the fuel cooler short of removal and pressure test?

Any way of distinguishing oil from diesel slick visually? Vic makes a good point about these being very young engines.

cummins exhaust leak sound

This sheen isnt from long idling is it??? I'm rounding up parts today for his boat and mine, probably going to go down to the marina tomorrow.

cummins exhaust leak sound

Agree totally on the service, sometimes people are too cheap for their own good. He just wanted to replace the impeller on the one engine. I pretty much told him if he wanted my help he needed to do both engines and the genset or he could hire someone.

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Should be obvious. Look for signs of leaks or water in oil or trans then go for a run. Those are great engines but cant be neglected. I would suggest a call to Tony Athens who is the local B motor guru. IIRC he is not a fan of those fuel coolers which can be problematic. His site has good info on how to go though the aftercoolers correctly. He also has a replacement pump for those POS Sherwoods.

One of the first thing I did on my c's was to replace the water pump with the ones Tony sells. I also cleaned my aftercoolers per his method. He is a font of information and is great to deal with.We have eliminated the belts and the pulleys as the cause. All of the hose clamps have been checked and we do not have an air leak.

We have noticed black soot around 3 of the exhaust ports. Has anyone had experience with an exhaust leak making this noise? We were warned by Cummins years ago that this engine can have possible exhaust leaks.

Thanks for your help. Marta and Scott 07 Allure It did not make a screaming noise. It was, rather, like a ticking. Each time the cylinder with the leak fired we would hear the leak as a psst.

At idle of RPM that would be per minute or 5 per second. That made each psst sound like a tick. Of course that doesn't mean a leak cannot sound as your describe. The evidence of carbon around the exhaust manifold is unmistakable. You have leaks. See you Thursday. George in Birmingham '03 Magna Yahoo Message Number: Sounds more like a leak from your inter cooler radiator check your manifold pressure on acceleration. J Beach 06 Allure Yahoo Message Number: Does it disappear after it is warmed up?

Yahoo Message Number: It does not disappear after it is warmed up. We are sure the leak is the problem based on other posts on IRV2. Thank you. Yahoo Message Number: Boost pressure are fine. We definitely think it is the exhaust manifold leak based on other posts about the ISL Yahoo Message Number: Thanks George.

So looking forward to seeing you and Janet!!! Yahoo Message Number: The air compressors are noted for making a screaming sound at times. Bob 06 intrigue Since you were cautioned about a possible leak, I'd suggest either a slightly warping manifold, with actual blow exhaust manifold gaskets.Help Desk.

Shop All. My Account Access My Garage. View All. Exhaust Systems. Hide Info. Performance exhaust systems are available in multiple sizes. The most common is a four-inch, these are designed for vehicles creating less then horsepower.

Larger diameter exhaust systems such as five-inch, are typically recommended for vehicles creating greater then horsepower. Performance exhaust systems increase exhaust flow by eliminating the restrictive stock muffler, replacing factory crimped bends with smooth mandrel bent tubing, and increasing the overall pipe diameter. Attention Model Year Owners: to ensure that you have a The engine tag will be located on the front engine cover or valve cover.

It will display a rating of HP. Otherwise; you can check the build date which is located in the driver's side door jamb. If the truck was built in 04 it will be a If it does not you most likely have a Dodge Cummins 5.

As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response.

All employees have been encouraged to follow the CDC's recommendations at home and in the workplace. The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.This document introduces new cylinder head capscrews.

The new capscrews are a flange head style capscrew and eliminate the need for the hardened washer, Part Number Fault Code is a fueling error diagnostic for equally malfunctioning injectors. The diagnostic has recognized the collective fueling between injectors has drifted beyond a known threshold. The existing fuel injector troubleshooting procedure utilizes drain flow measurements to determine injector health for Fault Code Unless injector drain measurements are isolated, collective drain measurements will not be able to identify the source of the malfunction.

Crankshaft gear slip malfunctions have occurred on select engines with specific auxiliary pump hydraulic drive HD options. Crankshaft gear slip malfunctions can result in engine damage and possibly the presence of Fault Code A new crankshaft part number has been released to addresses this malfunction.

The new exhaust manifolds have been introduced to communize the J-seal slip joint technology for all three piece exhaust manifolds and improve robustness of the slip joint to exhaust leaks. Existing cooling fan drive, Option FA, and fan belt drive, Option FA, exhibit excessive cooling fan drive belt flap during rapid deceleration on a recreational vehicle applications. This cooling fan drive belt flap leads to the cooling fan drive belt jumping out of alignment.

This document announces the release of a new exhaust gas recirculation EGR cooler part number available for service repair events. Lubricating oil leak or coolant leak form the threaded plugs and fitting on the lubricating oil cooler.Log in or Sign up. Find Trucking Jobs. Aug 16, Weeeelll, i got a call from Volvo Dealer earlier today who tells me the leak is coming from the exhaust manifold gasket!

So i should be rolling by tomorrow afternoon and hopefully, smog free! TravelinmanAug 16, Yes, let employers and TruckersReport text me with new opportunities, job alerts and other career information to the number I provided.

There is no charge for this service, but standard message and data rates may apply. Aug 19, What does it look like? A technician told me my problem could be coming from there due to the fact that it opens and closes.

2010-18 6.7L Dodge Cummins - Exhaust Kits - Diesel Power Products

He suggested the opening and closing action could explain the intermittant 'puffs' of exhaust i get after driving for awhile. I'm taking the truck back to the dealer. Problem is not solved. After they replaced the exhaust manifold gasket, the truck ran fine for the first miles. When i stopped at the rest stop and turned the truck off, i could smell what i would describe as a large plume of exhaust, as if the gases were released all at once.

Then when i cranked back up and got rolling, the exhaust smell seemed to be gone. I'm thinking that exhaust is building somewhere in the engine and is being released slowly and intermittently. Any more ideas folks???

Cummins N14 Exhaust Manifolds

TravelinmanAug 19, Jan 19, I have a08 Prostar with a Cummins, same problem, mi I begin to smell and feel the fumes. I get dry throat, burning eyes and headache. Shops say they don't see any leaks. Been with the Co. Jan 20, TravelinmanJan 20, Aug 23, I just had the same problem. Come to find out it was the flex pipe. SantanaAug 23, Dec 15, Same problem. Went after market just to get out of pinch and not get shut down somewhere. Took me 10 min to change out. RoadtoEmmausDec 15, Apr 2, Anyone have this problem?

Truck BoogerApr 2, Common for either EGR bellow pipes to be cracked or leaking, or rear exhaust manifold section to be leaking or the exhaust flex pipe is leaking.Discussion in ' Trucks [ Eighteen Wheelers ] ' started by truckllcSep 6, Log in or Sign up. Find Trucking Jobs. Cummins N14 sel. Oil coming from exhaust manifold.

Sep 6, 1. I just did complete overhaul Budget killer. First oil change done after 3k. Spotted dripping oil from rear part of exhaust manifold. Engine works smooth, turbo too. Pulled 70K on - I with no problem. Does any one knows what a heck is the problem?

Thanks for any tips! Yes, let employers and TruckersReport text me with new opportunities, job alerts and other career information to the number I provided. There is no charge for this service, but standard message and data rates may apply. Sep 6, 2. Will need to pull manifold to determine if its rings on 6 or turbo. If all 6 holes is wet it's turbo.

If only one hole that's your cylinder problem. Be sure it's oil and not fuel also. Sep 6, 3. Take it back. The shop should fix if its not your turbo. Unless you had them replace turbo, then they should fix that too.


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