Mack E7 Engine Problems. There are instances when problems with your Mack E7 engine will arise. This is why it is best to take notice of certain symptoms, so you can get these addressed sooner than later. Here they are: 1. Changing colors of exhaust. Pay close attention to the colors of your exhaust as this tells a lot about your engine's. I can tell you the E7 is a much better engine than the ASET Mack used from 03-06 which have a lot of problems and will eat you alive. Honestly I would still to a pre emission truck which will be anything older than a 2002. Double L, Feb 3, 2010. #2 + Quote Reply.
I have a 1997 mack truck it has a e7350 engine it starts fine after a
To summarize, the following procedures must be used to correct an engine misfire as described above: Contact your DSM and request to have the engine ECU data file activated. Use MackNet to download the engine ECU service data file from the MACK Mainframe. Program the engine ECU with the new service data file. Upload the verification file to the. 227 posts · Joined 2005. #1 · Mar 21, 2007. At work we have a 97 E7 mechanical and shes not runing too good. just sitting if you give it throtle it gets up to like 1500 rpms and starts sputering and blowing white smoke. Its got 300k or so miles on it. New pump and injectors. Demonstration of rebuilding an E7 Diesel engine used by Mack Trucks. This video includes the full rebuild, both parts 1 and 2.Intro & Disassembly 0:00Checki. Mack 4.17 and 4.64 respectively . Been good trucks. Also some CXU MP7 395 hp. with Allison autos. Have been excellent trucks except for the Mack DPF. Over all the E7 was a great engine except the EGR attempt on the ASET and cam follower issues and some expensive VGT turbo problems.
Mack E7 Engine Assembly for Sale
ENGINE WITH REAR TIMING INDICATOR E7 mechanically governed engines with manual transmissions and all V-MAC engines with 200452a manual and automatic transmissions use the flatback vibration damper with no timing marks. Page 256 5-101.bk Page 16 Friday, March 17, 2006 11:05 AM 200 SETUP AND ADJUSTMENTS 3. Subject: RE: E7 Mack engine and Mack in general. Texas/New Mexico Stateline. I drove one for my father in law a few years back. Things I like are the easy starting, seem to be built just a little heavier (hood, doors) like others said never used oil. It was a 1998 E7 454. A good sensor is supposed to read between 150-170 ohms. Off to Mack again, new speedo sensor, checked on meter and it read 164 ohms. Plugged it in, rescanned, still showing bad speedo sensor. Pulled VECU from passenger side dash panel and ohmed out J2 PLUG J2-11 and J2-12 for the speed sensor. deffinately e7 any yr from 90 to 97 or e techs from 98 t0 02 are good too. probably the 460 xt etech wich had 487hp and 1760 torque is the most powerful mack 6 cyl engine . they are pretty reliable too. i run one in a 04 mack CL700 glider kit i got it turned up put out about 525 hp will run with 550 cats no problem. Quote.
1996 Mack E7350 Diesel Engine For Sale Hialeah, FL 002926
2. Location:mounds okla. Posted November 19, 2008. E7 early engines had alot of cam problems but if that engine was mine i would replace the dampler on the crank if the block is ok. In most cases vibrations break the cam and then it will get the front brg because nothing to suport it.my 2 cents glenn. Quote. Looking for some ideas on a problem l have with a EA7 470 CCRS Motor in my 2004 Mack Qantum . All of a sudden fully loaded doing 95 kms/hr started missing and losing power, so stopped to check out for obvious problems around the truck and nothing seemingly wrong, turned engine off and restarted and ran fine on idle but as soon as power was applied back to missing again.
electrical problems: the engine sleep mode is programmed to yes; after an engine shutdown request has be satisfied (after the key is cycled off and the engine has shutdown), the VECU (step 4) does not de-energize the power relays.. Mack Models Solution K75115306 Friday, January 4, 2019 9:02:39 PM CET. 2. DIAGNOSTICS Nov 4, 2011. #1. Neighbor has a 92 Mack CH with a E7 engine. Engine kept dieing after about 1/2 hour running,he changed all fuel hoses with no succes in solving the problem. After the engine stalls it will start up right away again and run for a couple minutes and stall again,turn the key and it fires up and runs again for a couple min.
mack e7 fuel system diagram KyrstaBonny
The pump for the Mack E7 normally will have two bolts on a fuel line, so you'll be able to just pull it out and put the new one in. This system has better serviceability, less cost, and is easier to diagnose issues on. When the move from inline to unit pumps first began, we saw them most commonly on the Mack and Mercedes engines. The Mack e7 engine is the backbone of the almighty Mack Bulldog fleet. The history of the engine is steeped in technology, tradition and good old American gumption one would expect from Mack. The e7 mack engine was first conceptualized in 1988 by the Mack Corporation engineers and introduced in 1989. The Mack E7 Engine replaced the longstanding.
