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#1
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W124 location of coolant temp. sensor.
Where can I find the coolant temp. sensor in a 90 300E? Is it easy to replace? Fan is running on high all the time. Its either this sensor, or a bad relay.
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#2
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I just happen to have the hood open on my 300E and my temp sensor is on top of the head on the driver's side near the #4 Injector
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Thanks, Nels _________________________ 86 300E 93 W250 4X4 Cummins Power 72 F250 Highboy 89 S-10 408ci BBC custom V Four Chopper 77 Peterbilt 352 83 Jeep CJ-5 |
#3
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__________________
1996 E320 since 1/16/08, 171K miles as of Feb 2011 --------------------------------------------------------- 1989 300CE - R.I.P. Dec 29 2007 Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE |
#4
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Thanks guys, I will attempt to replace this. Those pics are a great help.
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#5
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I see # 2 Aux fan sensor, and three #3 Coolant temp. sensor. Aren't these the same thing? I thought the coolant temp. sensor, sends a signal to the relay to turn on the high fan. What does # 2 aux fan sensor do then? My high speed fan wont shut off, and I cant figure if its the relay or the coolant temp sensor. Now what is # 2 supposed to do?
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#6
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Quote:
__________________
Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather! |
#7
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Thanks Benz for encouraging me. I am posting another pix, asking knowledgeable people like you to identify other engine components. All inputs are greatly appreciated, I think not only by me, but it would be a big help for other "dummies" as well.
1. Valve cover 2. Thermo vacuum valve 3. Oil dip stick 4. 5. Fuel injector (first, 1 of 7) 6. That's the line from the coil to the distributor (some people call it a rotor). The distributor sits in front of the engine, under the plastic cover that is oh so close to the radiator fan! 7. the thermostat housing (Benz-LGB). 8. Belt tensioner bolt 9. brake vacuum hose (to assist with the power brakes, no vacuum no power brakes - BENZ-LGB). 10. Timing cover 11. Coolant hose 11a. also coolant hose? 12. power steering pump 13. ABS module 14. ABS lines 15. a/c pressure switch 16. a/c reciever/dryer 17. ballast resistor 18. high pressure a/c line 19. Ignition module 20. low pressure a/c line 21. looks like the cover for your coil Info by Nels Tex, 8 is the belt tensioner bolt, 12 is the power steering pump, 15 is the a/c pressure switch, 16 is the a/c reciever/dryer, 17 is a ballast resistor, 18 is the high pressure a/c line, 20 is the low pressure a/c line, and 21 looks like the cover for your coil __________________ Thanks, Nels _________________________
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1996 E320 since 1/16/08, 171K miles as of Feb 2011 --------------------------------------------------------- 1989 300CE - R.I.P. Dec 29 2007 Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE Last edited by Texholdem; 04-26-2007 at 02:30 PM. |
#8
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I can help you with #6. That's the line from the coil to the distributor (some people call it a rotor). The distributor sits in front of the engine, under the plastic cover that is oh so close to the radiator fan!
Trace it from left to right (as you stand in front of the engine and you will see). Let me give a suggestion. Go to the Performance Parts website and do a search for your car and engine. They have tons of part schematics with the name and location of a lot of the parts that you are looking at under the hood. I often use it as my cheat sheet. BTW, all of us are dummies. The difference is that some of the dummies here have more technical knowledge than the other dummies.
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Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather! |
#9
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#7 is the thermostat housing.
#9 is, I believe, a brake vacuum hose (to assist with the power brakes, no vacuum no power brakes ). This is fun!
__________________
Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather! |
#10
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Here is a link to Performance Products:
Performance Products BTW, that is an extremely clean engine bay.
__________________
Current Benzes 1989 300TE "Alice" 1990 300CE "Sam Spade" 1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007) 1998 E320 "Orson" 2002 C320 Wagon "Molly Fox" Res non semper sunt quae esse videntur My Gallery Not in this weather! |
#11
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Thanks BENZ. I updated the list with your inputs.
__________________
1996 E320 since 1/16/08, 171K miles as of Feb 2011 --------------------------------------------------------- 1989 300CE - R.I.P. Dec 29 2007 Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE |
#12
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from the link Benz provided
http://www.performanceproducts4benz.com/Drawings.aspx?bmid=89 the part names are added to the drawing for easier identification. Copyright Performance4Benz at http://www.performanceproducts4benz.com
__________________
1996 E320 since 1/16/08, 171K miles as of Feb 2011 --------------------------------------------------------- 1989 300CE - R.I.P. Dec 29 2007 Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE |
#13
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Sweet, thanks! This will help me alot
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#14
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#100, #102, #103 Power steering pump, filter, gaskets
#112 Fuel Pressure Regulator
__________________
1996 E320 since 1/16/08, 171K miles as of Feb 2011 --------------------------------------------------------- 1989 300CE - R.I.P. Dec 29 2007 Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE |
#15
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Now I am completely confused. Which switch on the intake manifold sends a signal to the aux fan relay? Is it called temp. sensor or aux fan switch? These are two differant things right? I need to order one because my fan wont shut off ( high speed) Is it the four prong switch or the two prong switch?
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