Cat 3126 coolant temp sensor location. 98 kB, 1280x880 - viewed 4007 times. After my last trip to Arizona the motor over heated on a long grade. Feb 19, 2024 · Cat 3126 q&a: fuel pressure, coolant capacity, temp sensor, fuel systemOil pressure 3126 engine cat low caterpillar temp engines measuring truck preasure psi should throttle operating min max full plug 3126 caterpillar engine sensorsFacet 7. The output of the ECM can indicate a high coolant temperature through a relay or a lamp. 993-br. The CAT coolant temp sensor (If your engine serial number starts with "1WM" prefix) will be on the thermostat housing, pointing towards the center of the engine, in front of the valve cover base. A. May 5, 2024 · Cat 3126 Q&A: Fuel Pressure, Coolant Capacity, Temp Sensor, Fuel System. 110-3 is defined as a coolant temp voltage high. The ecm is looking at the coolant temp along with other parameters to also control Heui pressures. Thoroughly inspect the J1/P1 ECM connector, the connector for the coolant level sensor and the terminals in the connectors. But I'll have to admit , I've never looked for it , and always assumed it would be next to the thermostat housing; upper rad hose. STOP. no photos of it yet Has anyone the Cat 3126e Temperature sensor - iRV2 Forums Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your 3126 Engine like a professional mechanic in local service/repair workshop. I would suspect Dec 14, 2019 · Jun 5, 2016 5,998 Milton, GA Boat Info 410 Sundancer 2001 12" Axiom and 9" Axiom+ MFD Engines Cat 3126 V-Drives 3126 truck engine electrical system. ) CAT 3126 Engine Electrical Drawings pg 2. Before irreversible damage can occur, visit our online store for a Cat 3126 thermostat replacement. New comments cannot be posted and votes cannot be cast. So I’m suspicious of the engine coolant temp sensor located just beneath the regulators . Derate is initiated when the CHECK ENGINE/DIAGNOSTIC lamp flashes, depending on the severity of the condition. 995-bu. I will try and help you out. jpg (155. This can be caused by either a bad sensor, harness or ecm. Compare temperature gauge with coolant temperature on the display status screen of the electronic service tool. 9 ± 0. The intake air temp sensor is the same part number. Archived post. 67 kB, 1280x880 - viewed 27280 times. This indicates an open circuit. Same thermal laser pointed at the block from the rear shows 178. Regulate the temperature in Caterpillar 3126 engines with thermostats from Diesel Parts Direct. The coolant temperature sensor is used by the ECM to determine initiation of the Cold Start Strategy. May 21, 2011 · Please , can anyone help me locate the location of the heat temperature sensor on my 3126 Cat. 3406e cat engine sensor location Cat c7 coolant temp sensor location Oil pressure 3126 engine cat low caterpillar temp engines measuring truck preasure psi should throttle operating min max full plug. I assume it must be a coolant temperature sensor but would like to know to where the info is being sent. jpg (198. 3126 Caterpillar Coolant Temp Sensor alternative Aug 8, 2017 · * coolant temperature * inlet manifold air temperature * coolant level (if equipped with the sensor supplied by the OEM) Engine Derating. CAT 3126 Engine Electrical Drawings pg 1. I swapped out a new coolant temp sensor from Cat. I know it is probably the coolant temperature sensor. 1 N·m (8 ± 1 lb in) 30-13 PTO Throttle Sensor Calibration 29 110-11 Very High Coolant Temp 61 41-03 8 Volt Supply Above Normal 21 111-01 Low Coolant Level Warning 62 41-04 8 Volt Supply Below Normal 21 111-02 Coolant Level Sensor Fault 12 Nov 6, 2020 · Install the O-ring seal onto coolant temperature sensor (2) . Look at your connections first. Please let me know if you have any more questions. 3116 and 3126 truck engines electronic control group (wiring and Cat part Number is 106-0735. Cat and Freightliner say they did not mount anything at that location. ) CAT 3126 Engine Electrical Drawings pg 3. Install coolant temperature sensor (2) into the engine. The coolant temperature sensor is located on the drivers side of the engine in top of the block under the intake pipe. I pulled over and let it cool off. Verify that the repair eliminates the problem. The dash gauge shows barely into the normal range on the low side. A failure or malfunction in either the inlet air sensor or the coolant temperature sensor will show up as a flash code on the "Check Engine" lamp. I’ve pulled the regulators out (marked 88C or 190F) and both were closed but opened when put into boiling water. Failing thermostats can affect the coolant flow, causing your engine to overheat. * The engine power is limited to 90 kW I’ve tried adjusting the wax valve but 170f is the max temperature I can get. I’d try swapping the sensors and see if the problem moves. Connect harness assembly (1) onto coolant temperature sensor (2) . Jul 22, 2017 · (1) Coolant temperature sensor. 2L, I need the location of the coolant temperature sensors, there’s 4 of them. Jul 25, 2017 · If the temperature gauge shows that the coolant temperature is too hot but other conditions are normal, either install a gauge of known accuracy, or check the cooling system with the 8T0470 Thermistor Thermometer Group. Sep 24, 2010 · (1) Engine coolant temperature sensor (2) Fuel pressure sensor (if equipped) (3) J500/P500 Injection actuation pressure control valve connector (4) Injection actuation pressure sensor (5) Boost pressure sensor (6) Air inlet temperature sensor (7) J300/P300 Injector valve cover entry connector (8) Atmospheric pressure sensor. sensor common +5v. Tighten to a torque of … 0. 2cc and the temperature gauge is not working, its the temperature sensor on the top of the engine. Test Step 3. Nov 26, 2020 · (17) Inlet air temperature sensor (18) Turbocharger outlet pressure sensor (19) Timing calibration connector (20) Fuel temperature sensor (21) Secondary engine speed/timing sensor (22) Fuel pressure sensor (23) Atmospheric pressure sensor (24) J2/P2 ECM connector (25) Engine Control Module (ECM) (26) J1/P1 ECM connector (27) Engine coolant Some of the key sensors in the Cat 3126 engine include the engine speed sensor, coolant temperature sensor, oil pressure sensor, and intake air temperature sensor. Heui pressures were all over the place. Aug 30, 2019 · A bad temperature sensor can cause all kinds of starting and rough running problems. Fill the cooling system. jpg (180. We hold many in stock, ready for immediate shipment to minimize Nov 9, 2020 · Coolant Temperature Sensor Coolant temperature sensor (7) monitors engine coolant temperature. To prevent this from happening, the sensor should be regularly checked for faults, and if any are found bined temperatures of the coolant and inlet air reaches 950F (350C). Mar 16, 2022 · Repair: If a coolant level sensor is not installed, change the “Coolant Level Sensor” parameter to “None”. Throttle/Fuel Control The Electronic Control Module (ECM) controls the fuel flow to the cylinders. A thermal laser pointed at the water pump shows 191. jpg (163. (2) Inlet manifold pressure (boost) sensor. If it does not. 6. Mar 19, 2016 · I have a 2001 Tradewinds LTC with a Cat 3126 B engine. Nov 13, 2023 · Coolant temperature sensor failure is one of the most common problems experienced with Caterpillar 3126 engines. Tighten coolant temperature sensor (2) to a torque of 20 ± 3 N·m (15 ± 2 lb ft). This cost-effective quality manual is 100% complete and intact as should be without any missing pages. Inspect Electrical Connectors and Wiring. It will have a pigtail wire, directly connected to it. 1 kB, 704x1024 - viewed 10491 Mar 4, 2009 · It's probably in / near the thermostat housing on the right front corner of the engine. It has 2 wires. (16) Boost pressure sensor (17) Accelerator pedal (18) Accelerator pedal position sensor (19) Batteries (20) Coolant temperature sensor (21) Data link (22) Exhaust brake relay (23) Inlet air temperature sensor (24) Transmission relay (25) Vehicle speed sensor (26) Inlet air heater relay (27) Inlet air heater lamp (28) Fast idle lamp About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jan 29, 2019 · Thanks for asking you question. Even running from DFW to El Paso. Refer to Operation and Maintenance Manual Nov 5, 2015 · The sensor diagram shows coolant sensor on the passenger side of the engine, and the intake air temp sensor. 3126 engine coolant temperature sensor. Alarm is still blaring and CEL is still illuminated. Dec 18, 2023 · I have a CEL and an alarm that shows high coolant temp. ) CAT 3126 Engine Electrical Drawings pg 4. " Both manufactures tell me there is no sensor on the engine at that location. 29 kB, 1280x880 - viewed 10982 times. Sending unit: Jul 2, 2024 · I own a safari cheetah with a 3126E engine 7. I had one in a excavator that would start and run terrible. Customer: I have a 1997 Freightliner FL80 Caterpillar 3126 7. EDIT: I'll be working around the coach today and will check actual location of the coolant sensor. Jul 25, 2016 · I have contacted CAT and FREIGHTLINER regarding this question: "Where is the sensor that is mounted in the thermostat housing on my 3126B engine sending info. Identifying and properly connecting these sensors is crucial for the ECM to accurately monitor and control the engine. the guy looking up the part in the CAT SIS system can print out a copy of the page listing the sensor, which should give a location. engine speed / timing - coolant temp. top speed/timing sensor. I have been trying to find out information about a sensor that is mounted on the coolant regulator housing. The full derate places the following limits on operation. This issue is caused by a faulty or malfunctioning temperature sensor, which can cause the engine to overheat or run too cold. Tighten to a torque of … 10 ± 2 N·m (90 ± 18 lb in) (3) Inlet Air Temperature Sensor. Tighten to a torque of … 15 ± 3 N·m (11 ± 2 lb ft) (4) Bolt (at wire feed-through).
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