Cat 6nz problems. 2003 Pete EXHD. Perform the “Automatic Cylinder Cutout Test” on Cat ET. 6L (often flashed with 6NZ or 7CZ files to run much better) Dec 7, 2015 · 01 CAT 6NZ Tuning Discussion in 'Heavy Tripac evo problems charging, RunningAces posted Aug 26, 2024 at 2:35 PM. If you see a C15 on sale with the MBN serial number, avoid it like the plague. since then I have replaced both engine harnasses, check valve in filter head, check for air in fuel, fuel pressure, cut out tests at cat, found exhaust leaking back through intake valves, complete overhaul with another set of injectors. May 24, 2013 · How many of you truck owners out there, with C15 / C16 / 3406E engines, have replaced the injector seals, only to have them go bad again within 50,000 miles? It is a real problem with those engines, especially with Cat re-manufactured heads. Needed truck , went to start, crank but no start. Hi all, This is the most informative site on cat issues that I have found. I also tried the manifold and turbo from Full Tilt. If the symptom is corrected, return the unit to service. Replaced the head with a reman cat head installed one reman injector,replaced the turbo with a reman because of cracks in the housing, and replaced the cac Aug 16, 2019 · Swapping out the stock 6NZ camshaft for the 10R7155 cam, better known as the 800 horsepower marine cam. The engine runs strong with 6–7 mpg. 003 -. Jul 14, 2024 · Cat c15 6nz torque specs Caterpillar c15 system of operation by darrylholmens C15 caterpillar engine torque specs. I have a lots of blow by. Jul 20, 2007 · There were only two single turbo C-15 engines built The 6NZ and the newer MBN bridge motor. Discover ways this unsecured line of credit can help your business or fill out the application in just 5-7 minutes. Dec 6, 2010 · IMO: CAT started machining expansion cuts, between cylinders, on the cylinder head "bottom deck" of a C-15 engine, thus the gasket lost some clamping force in those areas(in-between-cylinders/liners) But I'll take a C-15 (6NZ ) anyday, and If you don't mind some oil seepage, than the 3406E "1LW" and "2WS" prefixes have been really good. In my experience with gear lash on heavy equipment normal lash is around . 16:1 compression pistons and remove IVAS. Find the best priced used Caterpillar C15 6NZ Engines by owners and dealers. It is recommended to use a multi-grade oil with a viscosity of 15W-40. Monitor the active diagnostic code screen on Cat ET. spsauerland , Jun 23, 2018 Jun 12, 2019 · Do you have a hand pump primer on filter housing or a block off plate? I hjad same issue with c12 and full filters. Additionally, the flywheel housing mounting nuts should be tightened to a torque of 30 lbft and the cam gear retaining bolt should be tightened to 50 lbft. Might just be that the file wasn't the corre Apr 20, 2022 · I have a 2006 T800 with a Cat c15 converted to a 6nz 800 marine came and 8501 injectors and a 550 cat tune with a 70 pin ECM. D. If it has sat for an extended period, then change the water hoses oil/filters and coolant. Jan 20, 2011 · How likely is it a 6nz without oil leaks all the sudden blows something major? Run the overhead and test the CAC, for starters. Feb 22, 2022 · Caterpillar Truck Engine – 3406E. Feb 21, 2010 · 99% of the time, the low ecm voltage problem is caused by the round Blue plastic connectors near the ecm or starter that connect the small wires loomed in to the battery cables to the OEM engine harness. Then one hot day in South Carolina stopping for fuel I noticed it ran rough. Wait at least 30 seconds in order for the diagnostic code to become active. 8L MBN 70 pin ECM, Dual timing sensor, horrible ecm programming, high compression ratio, high temps, 14. com. 67 cummins ecm wiring diagram - Wiring Diagram and Schematics. Check and record any active diagnostic codes. I had ecm repaired and I put in a new set of injectors. Watch out for head gasket issues. Keep the twins I think. The 5EK was 435hp the 6NZ 475hp and we were hoping to get a little more power out of the deal. Mar 2, 2014 · Having problem with a c15-6nz went 1 million then I overhauled it. Feb 1, 2022 · Rebuild the bxs as a 6nz. Tunnel marmor katholisch motor caterpillar c15 gehört obsession auge 6nz cat engine specs 2002 good used inspected, caterpillar (6nz) c15, 475 hp, single turbo Customer: Hello Nick I have a problem with a 6NZ cat. The problem is the ecm. Checked ECM harness for varmint damage. That fixed it. 1995 Cat 3406E 430HP. It seems to struggle below 1500 Rpm when I put my foot in it. Minor Trailer Repair Sep 22, 2010 · The 6NZ is called a sculptured block and weighs less than the 1LW block, its also stronger. Use a plastic back and install it. Feb 28, 2023 · Aside from that, the engine is mostly reliable. Let's shed some light on the engine's unique features and specifications for a clearer understanding of its capabilities. This was just an experiment to see for myself if I wou Jun 7, 2013 · Ran into an interesting problem, reflashing the ECM on a 6NZ 3406E Pre-Emissions Motor. In this video the 3 biggest problems with the Cat C15 and 3406E in my opinion are discussed. Jan 29, 2023 · In this video we are troubleshooting a C-15 6NZ Cat that smokes and is hard starting when cold. Lots of top-sets done, cam sensor, crank sensor, fuel temp sensor, barometric pressure sensor, air intake sensor and much more. DO Not use Rag or get Rag anywhere near the injector once you take it out of the Cat Packaging. This built CAT 6NZ made power, but ran poorly due to a fuel issue. I pulled the oil cooler and tested it hot at the CAT dealer and it checked out ok so I put it back on. Expert. 2. The result was 870 wheel HP, which is about Apr 4, 2010 · Another problem I see with New or Reman is the way they are Handled prior to installation. May 6, 2015 · The engine swap worked perfectly with the following exception: Whereas before he never had a problem with the throttle, now there is a strange RPM surge problem. Acert twins via custom mount. 5 ft lbs. My 2003 has an MBN I converted to 6NZ. The smallest piece of Lint, Dirt, Paint, will play merry hell with the actuator. Checked fuel level, half full . Disable the fan override. Jul 1, 2002 · If a head gasket is the source of the problem this revised cylinder head torque procedure can eliminate repeat head gasket failures on Caterpillar C10 and C12 diesel engines. See full list on adrenalinediesel. 005. truck ran great all week. When you start the engine and start pushing down on the throttle pedal and after you reach approx. The CAT 3406E was eventually split into the CAT C15 & C16 in 2000. com on PayPal. CAT C15 ACERT Mar 17, 2013 · 6NZ 70 pin ECM, Dual timing sensor, block machine out old cam bore (from mechanicals), new sealing surfaces, 14. . Jan 20, 2011 · How likely is it a 6nz without oil leaks all the sudden blows something major? Run the overhead and test the CAC, for starters. (Jake engines use stud p/n 132-3229). Replaced the whole filter housing (160 bucks from cat). Answered by Nich M. Oct 19, 2020 · H. Jun 16, 2019 · I recently rebuilt my 6nz and decided to try the marine cam from highway heavy parts I was already using the c16 injector. They have more electronics which makes them more prone to developing problems. 18000 miles later I overhauled it again because of 2 scored liners. With its clear and detailed wiring diagrams, you can ensure that you get the job done right the first time. Take it out for a good workout then see what it looks like. The problem may have been related to a faulty connection in the harness. Wait until Cat ET indicates that the timing is calibrated. com Jul 11, 2023 · The torque specs for the Cat C15 6NZ engine are as follows: Main bearing cap bolts – 65 ft-lbs; Head Bolts – 140 ft-lbs; Connecting rod bolts – 95-105 ft-lbs; Injector hold down bolts – 22-25 ft lbs; Rocker cover screws – 8. Contact me with any questions. First replaced check valve in filter housing, that didnt work. The biggest problem with the C15 design is the head gasket. We recommend staying away from the MBN “Bridge” engine. C15 ecm engine solenoid caterpillar diagnosed replaced iva c13Oil pump c15 cat problems symptoms failure C15 Jan 19, 2014 · Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. Truck ran great after overhauling it little over a year ago. Amazon Affi Sep 7, 2022 · Whether you are installing a new C15 6NZ engine or just replacing faulty components, the Cat C15 6NZ ECM Wiring Diagram is an essential tool for any automotive technician or DIY enthusiast. you may have fuel to the Head, but if there is any air, it will cause a no-start situation. But the issue is with the engine block design itself, not the head gasket. Jan 31, 2011 · Posted Yesterday, 10:21 PM I had a problem with my 6nz c15 getting oil into the radiator last summer. 1000-1100 RPM, the engine surges up to approx. Perform the following procedure if Cat ET indicates that the timing is calibrated: 1. Although it's one of the most popular engines in CAT's offerings, the C15 remains controversial due to multiple issues. Engine would crank over fine, but wouldn't fire. I've been trying to get a 6nz CAT truck but usually the trailer that comes with it that truck is really old and nobody wants to sell the truck alone. All Caterpillar Power. If the symptom still exists, proceed to Test Sep 10, 2011 · I have found a 2003 6nz cat with very low miles 209,000 we have had 4 3406b, 2 5ek, and a 7cz, but never owned a 6nz heard a lot of good things just curious as to what make them the motor to have MichaelP , Sep 10, 2011 start any job. 800 cam. Did you know you can help the Adept Ape channel just by clicking Feb 14, 2024 · The Cat 6NZ engine requires high-quality engine oil that meets the Caterpillar ECF-1 specification. it all started when a injector driver went out. Oct 20, 2020 · C. When replacement parts are required for this product Caterpillar recommends using Cat re-placement parts. The head last time had a furrow burnt between 5 and 6, got sent out, fixed, shaved, pressure checked, had cracks between valves but not leaking and still not leaking, but I think I Nov 7, 2012 · Engine: Cat C15 6NZ Problem: Wont start and keep running. Refer to Operation and Maintenance Manual, “Engine Oil” for the recommendations of engine oil. So here's the deal. and Jul 25, 2007 · I have a 2000 pete with a 6nz cat. The reason for this is the casting is much more controlled during with the manufacturing of the 6NZ block and steel is only used where its need the most. Nich M. I pulled the head off to replace the gasket and found that the head was cracked. Replace all cylinder head bolts with p/n 129-3184, reduced shank bolts. Jun 23, 2018 · Cat uses keystone piston rings so cylinders really only seal good when engine is under a load. Watch the video to see how we diagnosed and repaired the lack of fuel pressure. Disconnect the 7X-1695 Cable as before you exit the “Timing Calibration” screen. Feb 26, 2015 · Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. Truck sat at a job site for 6 weeks, with out being started. Replace the engine oil. The Cat Card: A Better Way to Pay for Parts & Services. I kept going up the wire till I found clean shiny copper and spliced in lines with new cat plug sockets and connectors. Thanks for watching. The coolant level sensor configuration parameter must be set to “Installed” in order for the ECM to monitor the signal from the sensor. The CAT C15 turned into the CAT C-15 ACERT engine eventually. that didnt work, took offf block plate and installed cat hand primer pump. Oct 18, 2020 · Prior to troubleshooting any problems with the coolant level sensor, use Caterpillar Electronic Technician (ET) to check the installation status for the sensor. Feb 15, 2024 · With its impressive power output, remarkable longevity, and excellent fuel efficiency, the 6NZ CAT Engine is well-loved among heavy machinery operators world over. Cat dealers have the most current information available. Additionally, they make less power and are said to use more fuel. I found the wires were destroyed from oil contaminants and wires were out of the plastic and all green and corroded. The Cat Card is the quick, convenient way to get the parts and services you need for your equipment. Aug 11, 2014 · CAT flipped a coin and installed 2 new injectors even though they couldnt isolate the problem. Otherwise Jun 14, 2010 · Had a small problem on one of my dump trucks, that I thought was strange. AdeptApe@yahoo. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 1, 2018 · Browse a wide selection of new and used CATERPILLAR C15 6NZ Engine Truck / Trailer Components for sale near you at TruckPaper. ARP head bolts. Also the 6NZ seals the front and rear structures differently for less oil leaks as the engine gets Oct 9, 2013 · I cannot find a spec in the Cat manual I have. This oil provides excellent lubrication and thermal stability, ensuring smooth engine operation even under extreme conditions. ca Nov 11, 2010 · Engine switch 5EK to 6NZ. 19,419 satisfied customers. the difference between the 3406E and the C-15 is the block structure is much stronger, plus CAT changed the way the front structure, flywheel housing, oil pan and valve covers seal to stop oil leaks Feb 4, 2013 · I'm leaning towards a 6NZ gold rebuild kit, is this the best option for this rebuild(I can't convince myself to use the 3 old pots even if they look really good). There is a section for setting the Camshaft idler lash, but nothing on the other gears. The CAT C16 only made it a couple of years before being discontinued mainly due to emission standards that took place starting in 2004. Aug 23, 2024 · Browse Caterpillar C15 6NZ Engines For Sale near you on MyLittleSalesman. I have a permanent repair for the problem. I got in Friday afternoon, parked it 'til Monday morning. Oct 16, 2020 · C. I. Dec 20, 2017 · My problem has always been after i reach about 25 - 35 MPH, prior to that speed the truck runs tip top. in 1 min 6 months ago. Nov 9, 2016 · I'm on the market to add a car carrier to the company but unfortunately most of the 2005-2007 Peterbilts come with the CAT C15 ACERT motor. I gave it a shot of starting fluid and it would run til it was gone and quit. Early 550 file, 211-3025 squirts. To calibrate the timing, select “Continue” on Cat ET. (voids warranty per cat Jun 7, 2024 · The 3 biggest problems with the c15 and 3406e. Cat c15 oil pump problems, failure modes, symptomsTop 4 differences between the cat c15 & c18 engines Cat c15 engine egh, 6nz, 7cz ecm wire diagram download6nz c15 2000 2002 harrisburg. So then I took apart the harness that holds the 2 sets of wires going to the 2 sensors. Oil viscosity: Result: The oil viscosity is not correct. Failure to follow this warning may lead to pre-mature failures, product damage, personal in-jury or death. 6L 7CZ 70 pin ECM, Dual timing sensor, 600hp 15. I called the local Cat dealership, and spoke with the service manager in the engine shop, but he couldn't tell me a spec either. Active Diagnostic codes: Result: No diagnostic codes are active. When I tried to start it, it wouldn't. We had 5EK 3406E bust a crank and we have a 6NZ C15 from a wrecked truck that we are putting in it. Jul 19, 2014 · engine is running rough sounds like a slight miss. Next I replaced the bendix air compressor as recommended by my local shop owner as I was getting a lot of oil into my air tanks also. Set the engine speed to low idle. 1500-1600 RPM much faster than a Jan 13, 2019 · Probably was still there. Checked air filter for bird nest or varmint damage. Acert is a great start to a good reliable engine. Jul 22, 2019 · Thanks, Tim. I even went as far as pulling the tranny apart seeing as it was always road speed related, but after 16 months and keeping a tight journal on the symptoms, its 100% wiring related. After flashing with the file that matched the description the ET now detects two ECMs, the one that I flashed and another that says it needs to be flashed. The problem started about a week ago when i thought i blew the head gasket. If you have the head bled out as good as you can, close everything off then have a helper pump hard on the hand primer while you crank sometimes I've gotten them to crack off that way. Nov 11, 2010 · Engine switch 5EK to 6NZ. ngnsywnwjwiwvcfxuhgaqposinpmlaebzfoktimssbycajwgw