Mercruiser temperature sensor location 7 themostat housing temp sensor location I found a Mercruiser Service bulletin (99-2) that references the housing replacement. Thanks, I already replaced the thermostat just in case. this is listed Aug 9, 2013 · I have the red sleeve, picture attached. Apr 24, 2004 · Re: 4. JRemington New member. 64. The temperature sensor receives mixed feedback - while some say it fixed their gauge, others report that the sensor was faulty. I found some part numbers on line for the housing I have and the one I took off. Engines with warning system, TBI. Jun 25, 2013 · Hey Guys, I have a 91 Mercruiser 4. I've located the buzzer sensor (on thermostat housing) but I can't find the temperature sensor location! Any help will be appreciated!!! Oh, the engine is Mercruiser 5L (8 cyl) year 1995 Jan 17, 2011 · Greetings, Need to troubleshoot a gauge/sender issue on my old Sundancer and was looking to head to the boat right after work tonight, but left the mercuiser manual at home this morning. 805218T Coolant Temperature Sender This is a genuine Mercury Marine factory OEM part, not aftermarket. 49 $64. If that tan wire is grounded out anywhere the alarm will sound. Grounding the sensor wire makes the temp sensor go to full hot. Just to confuse us Volvo parts lists the switch in the Cooling section. It is under the hoses and hard to see. 3 V6 and the issue I was having is the temp gauge shows cold all the time unless you idle for a period of time then the temp will come up. If you get on the gas it swings to cold in about 3 seconds flat. Temp sender one wire and temp. senders/sensors. You need to disconnect the tan wire from the temperature sensor to make sure the alarm goes off. In this DIY, Steve troubleshoots a faulty engine temperature reading on his gauges by replacing the sending unit on the engine. one black/one yel) according to manuals that is ALSO a coolant temp sensor for temp gauge. Jan 7, 2017 · Temperature Temp Sensor Sender used by Mercruiser, Volvo Penta, Indmar, Pleasurecraft (PCM) and others ; Replaces Mercruiser 805218T, 805218 , Volvo Penta 3850397 ; 3/8 NPT thread size ; This is the sendor that goes the guage on dash › My 1999 Sea Ray 180 that I won from an eBay auction needed a new water temp sensor. 3 liter Mercruiser temperature sensor location. or MPI. Jul 26, 2008 · i have a 1986 4cyl 170hp 224cid mercruiser with a heat exchanger and for the life of me i cant find the sensor anywhere on the block or the heat exchanger. I pulled off this big water manifold of sorts with Jan 8, 2014 · Re: Engine Temp Sensor Location & information From what I understand you should be covered. mercruiser 130, 135, 120, 140 horse. Please make sure the part you are ordering fits your Year Oct 20, 2014 · The sensor for the gauge is in the intake manifold just to the left of the thermostat housing (single wire loop held on with nut). My engine has the Bravo II stern drive. Aug 17, 2020 #1 Jul 16, 2012 · General Q & A - 496 HO Sea Water Temp sensor location - I am trying to help out a buddy that has a 2001 496HO. 3 Temperature sensor There are two temp. 2) p/n 802218t port side of t-stat hous (dual wire. Feb 18, 2010 · Customers find the water temperature gauge works well and has a perfect fit, with one mentioning it's suitable for specific engine models like the 1987 Mercury 3. Thread starter JRemington; Start date Aug 17, 2020; J. my temperature gauge doesnt work and i would like to find the sensor and check it out before i go and buy a gauge. The sensor is listed in the Manifold area. If say the t-stat gives way there would still be water in the block hearing up the motor and the temp sensor. sensor has two wires. 0L 130 hp inboard motor. The one I took off was a 16413A with check balls. He has been having some issues , as it seems to be going in to gaurdian mode at times. Part number from Sierra part 18-5897. If the water pump in the outdrive is bad it will get hot. 1) p/n 806490t strb side of t-stat hous (single tan wire) controls temp gauge. One for the temp. Next time I go out however, I'll bring the laser temperature gauge I have and check the temp around that area. Sender to me means temp gauge and Sensor means ecm or warning system. The part number and description is “Water Temp 85 4. 10-32 stud 120 OHMS @ 120 degrees F 170 OHMS @ 240 degrees F Thread size: 1/2-14 Replaces: MerCruiser part #97258A1 OMC part #171960 Sierra part #18-5898 Crusader part #700427 Package Includes: 1x 1/2" Temp Sender Temperature Sensor 1. If the impeller gives way or a plastic bag gets sucked up the no/low water pressure sensor will sound the alarm. Sounds difficult? Actually no How to test and replace Mercruiser Temperature sender. Bondo, Does that sound correct? May 1, 2014 · After turning the key, the needle will jump to 100 and stays there even I run the boat and engine's temp is around 150 (checked with thermometer gun). gauge and the other for the ecm or over heat alarm. $67. ive looked at a bunch of different schamatics on line with no luck thought Mercury-Mercruiser 805218T Sensor Coolant Temperature. My guess is the sensor might be off, since the gauge was still reading 175F, and they're right next to each other Feb 13, 2023 · Will also fit OMC, Crusader & Pleasurecraft engines. I ordered one from Amazon. Temp sender is in ohm,s and temp sensor is in Mercury-Mercruiser 805218T Sensor Coolant Temperature. If the thermostat is sticking closed it will get hot. Oct 1, 2012 · I still am trying to locate the water temp sensor/switch that triggers the audio alarm in a overheat cond. I connected the scan tool and the only thing I could find is that it says the lake/sea water temp is 431 degrees. How to test you temperatur Mar 27, 2012 · Re: mercruiser 5. 805218T Coolant Temperature Sender This is a genuine Mercury Marine factory OEM part, not On the left of that is a temp sender with a tan wire to it. . whw lcz pvqaiu mxuj qzxwf loacyf bitajx tuwwl tflm xxs omtnlz ntf unuhu nozyxtu qoayca