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Other problems I have encountered are Jake brake problems. Consistent regen issues stemming from anything from the ARD head, upper or lower temp sensors not seeing eye to eye. DPF filter issues. You name it. I love the hill pulling torq. The low rpm pulling power. Good motor when everything is working right. But thats not very often in my ...72 Jul 18, 2009 Florida 0 I'm having a problem with my jake brakes. Stage 1 doesn't do anything; stage 2 and stage 3 both feel like they're engaging stage 2 (no difference between them.) Any idea what the likely culprit is for this, and what I'd look at to fix?Jake Brake 340D All ratings 0.76 ± 0.08 mm (0.030 ± 0.003 inch) BXS1-UP Jake Brake 340C All ratings 0.89 ± 0.08 mm (0.035 ± 0.003 inch) BXS1-UP Jake Brake 340E All ratings 0.84 ± 0.08 mm (0.033 ± 0.003 inch) ( 1 ) Check the identification plate that is on the compression brake casting in order to determine the model that is installed on ...AI-enhanced title and description. The Jake Brake" Model 31 OA is designed and approved for use on all 1996 and later Caterpillar C-10 engines with an engine serial number prefix of 2PN. Jacobs Service letters should be consulted for additional applications and updated information. Information in this manual was current at the time of printing ...479867 serial# ***** switch has Ben bypassed for years have continuity through bypass. Cruise control works,but no jake on cruise. The last few days jake worked first thing in morning when shutting engine off jake did not come on again, did not work at …Jan 24, 2016 · (01-24-2016, 12:42 AM) torqueman Wrote: Hi. I was wondering if some body can help me finding exactly the cruise cutout switch for brake pedal. This is 2004 Pete with Cat c15 BXS in it and in Cat Et status it shows all the time on and don't allow cruise/engine brake to turn on. 17 Mar 2022 ... jake brake system which has never worked since I purchased the coach. They said the problem was OEM electrical and would not work on it. So ...pull the valve covers,remove the oil bridges from spacer plate to the jake/vva's. there are 3 of them with 2 bolts each. just take the 2 bolts out and pull up on the bridges they will pop off the vva/jake fitting. dont loose the o-rings that are underneath the bridges, you can reuse if they are not hard. take the oil line off the back of spacerplate on the passenger side. get the updated one ...Im working on a cat c15 industrial engine. Serial starts with ldn. My questions is the torque spec on the rocker arm shaft? It does not have Jake's or vva or iva just plan rocker arms that have ... Is the torque specs for the rocker arms and the jake brake the same for a 6NZ and a C15 ...I have removed the extra wiring shown on the diagram so all you see is the engine brake wiring. The wire numbered 22-A-.8 is the first wire in teh circuit, it goes from the fuse to the jake switch and the relays. When the jake switch is turned on low power goes to pin 85 on the low relay, it goes to pin 85 on both relays in high position.Jul 18, 2009 · 735. 240. Nov 17, 2008. Sheboygan, WI. 0. stage 1 should be just 2 cylinders on a 3 stage so if a solenoid for those 2 cyl is having a problem then you wont have anything more then 4 cyl working which would act like stage 2 even if you have the third stage on because the stage 1 cyl arent engaging. Elvenhome21, Jul 21, 2009. 5.7diesel said: where does the oil feed come from for the jakes on a 97 model 3406e don't know the prefix. the jake brake will work when cold but when the engine warms up won't. a peterbilt dealer told the owner it has a spun cam bearing but the truck runs great. it had a new head, camshaft, sleevesand bearings about 100,000 miles ago. cat ...Cat Man. Cat Engine Expert. Vocational, Technical or Tra... 5,355 satisfied customers. On our 2003 k104 with a cat c15 6nz, we have low engine. On our 2003 k104 with a cat c15 6nz, we have low engine brake, no medium and low on high. We have swapped engine brake controllers with … read more.USED - Cat C15 jake brake assembly P/N# 265-8Confirmed the computer is seeing all switc The Jake brake—named for Jacobs Vehicle Systems, Inc., the company that first produced it—is sometimes called a decompression brake or engine brake. It is used mainly on semi trucks. It works on diesel engines by opening exhaust valves to the cylinders, releasing compressed air and slowing the vehicle. Shop now for jake brakes. 479867 serial# ***** switch has Ben bypassed for year 99 Pete 379 with a C-15 cat, put a new head on the engine during a rebuild and there was some oiler plugs that didn't get switched from the old head to the new head and that oil was what pressurized and activated the jake brake and also lubed the cam. It was an expensive fix for us but the jakes work great now. put reman injectors in a 2003 c15 6nz engine.delphi says the trim

I have a cat 3406b and the jake brakes are not working they are getting 12v from the switch and the actuators are moving when powered but the jakes are not working any ideas. Cat c15 acert jake/engine brake on heavytruckparts. Posted sunday, january 09, 2011 7:20 am. Engine Exhaust Valves During Engine. Jacobs brake models c317a, …2004 Cat C15 in a Peterbilt 378, VIN. 1NPFXBEX34D830549. Jake brake is not working. Checking for voltage at the power supply to the Jake on off switch with a power probe, key on engine off, it shows 1 … read more Its either a faulty jake control switch or a wiring problem. The reason I say this is because when the jake switch is turned on, it is simply applying a ground to pins 23 and 40 on the ecm. If the switch is not removing ground when turned off or the wire running from the switch has rubbed into a ground, the engine ecm will continue to keep the ...The compression brakes have 3 solenoids. Each solenoid controls 2 cylinders. So in low mode cylinders 3 and 4 are activated. In medium mode cylinder 1 and 2 are activated along with 5 and 6. In high mode all of them are activated. Usually with weak compression brakes one of the solenoids is not working.CAT C15 Engine Brake | Exhaust Brake, P/N 20R0271 for sale. Enjoy our hassle-free online checkout or call to speak to an expert. ... CAT C15 JAKE BRAKE ASSEMBLY P/N# 265-8063: Model#: EC04: Part#: 20R-0271: 265-8063: Eng Assembly#: C15: Bolts: NO: NO: Price: ... equipment installation, part installation and service work, as well as paint and ...

I got cat c15 motor with engine brake issue , it shut down the truck when we turn engine brake on , I opened the valve cover and press the solenoid button Mannually and it get keep pressed and not come back and when we switch off the solenoids come back to normal position , so we disconnect the solenoids wires and press the button they all started working good , so looks like some electrical ...Ran idle up to 1500 via cruise control. It ran for 7.30 minutes and quit high idle. Set parking brake and resume high idle. Ran 6.30 minutes and quit, left brake on, reset high idle.... this time it ran 40 seconds, reran test-18 seconds run. Almost acts like a circuit breaker getting hot, trips, and the duration gets shorter each time.Jake brakes wont work. 2003 pete 379 c15. Cat told me to… Jake brakes wont work Mechanic's Assistant: What's the make/model/year of your truck? Engine type? 2003 pete 379 c15 Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. The compression brakes have 3 solenoids. Each sol. Possible cause: Its either a faulty jake control switch or a wiring problem. The reason I say this is b.