C15 acert precooler diverter valve I’ve rebuilt the water recirc valve, six pack of injectors, injector harness, overhead, new t-stats, had cac checked for leaks, replaced air filters, changed fuel filter brands. It also says that if a coolant sample indicates engine oil, the diverter valve should be checked. E model Cat man , Jul 5, 2016 The Coolant diverter valve on a C15 is a normally open circuit. Under load the twin turbos out out air at around 500-600 degrees. $ 129 Current price is: $129. F. Access the “Special Tests” under the “Service” menu. Were is it located an d how hard is it to change Were is it located an d how hard is it to change Answered by Cat Man in 13 mins 13 years ago 2006 Used Caterpillar C15 Acert Diverter Valve w/ Coil. Product Details : Select Caterpillar® Applications : C15 ACERT Series Engines. Coolant temp will rise to 225. It controls the coolant flow through the jacket water pre cooler for the turbo air leaving the turbos. Mar 18, 2022 · B. Thanks for asking your question! I will try and help you out. It has two wires going to it. SS Precooler Delete Assembly for LONG HOOD Peterbilt 379/389 C15 Acert, MXS, BXS (Non SDP) (select items needed), GR189, BHC1204 Skip to the end of the images gallery Skip to the beginning of the images gallery Hi. OEM Reference : Caterpillar 231-5285, 2315285, 241 I would suspect the coolant diverter valve is causing them to pre maturely fail. After pulling the rubber piece out and using shop air to clean Sep 24, 2014 · C15 (S/N: BXS1-UP; MXS1-UP; NXS1-UP) When replacing a precooler on the serial numbers listed above, inspect the coolant diverter valve diahragm. Jun 10, 2014 · On a C15 accert nxs is the pre cooler diverter valve a normally open or normally closed solenoid/valve and could it stick open? Thanks. $175 USD . Once Cat ET displays the status of the engine coolant diverter, stop the “Coolant Diverter Valve Feb 6, 2009 · you mentioned water diverter valve, no but it might be the precooler leaking. Then the air goes on to the air to air cooler on the front of the radiator. Normal temp is around 190z Have removed radiator and cleaned, replaced coolant diverter valve. I have recently pulled the diverter solenoid on the WJPC and found the rubber snubber on the end of the plunger had ripped off. Disconnect the engine coolant diverter solenoid at the solenoid connector. Jan 7, 2013 · I’ve been having the same probs with my 07’ c15 Acert. if you see some crusty deposits on the tubes that could be your problem. If the diaphragm does not have a white teflon disk, replace the diaphragm using the 319-6059 Diaphragm Kit. The jwpc is there to lower the turbo air before entering the air to air cooler. This rapid pulse can cause the pre cooler to crack and leak. Rencently it has gotten more frequent. This should correct the precooler . D. I would change the coolant diverter valve assembly. Coolant Hose (Contoured) (Special). Is that JWAC diverter valve the one for the turbo precooler? I know the C13 accerts have a coolant diverter valve at the oil cooler. Customer: C15 Acert motor building pressure in the cooling system. easy to check, just take off the pipe that runs from the precooler to the cac and look down in it with a light. Have put on 30,000+ miles hauling hot mix at 84,0000lbs. This coolant diverter valve is normally Jun 1, 2016 · C 15 at work is running hot to the point of alarm. Home New Arrivels C15 ACERT Truck Engine Disassembly & Assembly Workshop Service Manual C15 ACERT Truck Diesel Engine Official Workshop Service Repair Manual Serial LHX $ 239 Original price was: $239. Feb 24, 2017 · I have a 2007 C15 Acert. I have seen this before. Bought it at auction in May of 2016. Used C15 Acert Diverter Valve w/ Coil, Type: Diverter Valve w/ Coil. Then within a minute or to with out letting off the petal it will drop to 180 within a matter off minute or two. This cooler is needed to reduce the temperature of the air coming from the turbos. Thermostats were removed and the problem continues. Turn the key switch to the ON position. Without the precooler, the air to air cooler will melt. When the coolant diverter valve fails, it will cause a rapid pulse in the cooling system. Start the “Coolant Diverter Valve Test” on Cat ET. I am aware that the diverter valve going bad can cause this issue. The precooler actually is there to cool the air not heat it. The coolant diverter valve is located on the turbo side of the engine in front of the turbos. The precooler is used to reduce this down before going into the air to air cooler. E. I am wondering what the diverter valve uses for pressure behind the diaphram? what supplies the small port on the diverter valve, and where does it come from? Nov 29, 2009 · Acert c-15 overheating. This means that coolant is allowed to circulate through the Jacket Water Pre Cooler, also known as the JWPC. Jul 5, 2016 · On a C15 accert NXS is the the diverter valve for the pre cooler a normally open or normally closed solenoid and can it stick in the open position and allow coolant to circulate through it all the time? Thanks in advance. Condition: Used: Fits To Make(s) Customer: Hello I have got this Cat C15 acert MXS precooler failed about a month ago I replaced it with new one from cat and I have had 3 cooler failed consecutive each after a trip all coolers were from CAT anything else that could cause itI checked the diaphragm in the diverter valve , not stuck both turbo newanything ales that can cause this Feb 24, 2017 · Have put on 30,000+ miles hauling hot mix at 84,0000lbs. Ever since day one it has been pushing coolant out of the overflow line and temp would rise at the same time. Customer: I now have a coolant diverter s0lenoid fault on my 2006 C-15 acert. 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