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#1
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Do I need a radiator?
I replaced the water pump, several hoses and thermostat on my '85 TD, I also pulled the radiator and cleaned the fins.
The new thermostat was defective and caused the engine to get too hot so I removed it until I get a new one. So I am running without a thermostat. I took a drive to Cincinnati yesterday and my temp gauge got as high as 90 but at the end of the day it settled at about 60. It is full of antifreeze and I get similar high readings driving around town. So is it normal on a hot humid day for a 617 to run 80 or so degrees without a thermostat?
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08 R320 CDI current Past 95 E420 87 300D Turbo 5spd 90 300TE 83 300SD 85 300TD 92 400E 85 190D |
#2
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no.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!! ![]() 1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#3
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I doubt the thermostat. Suspect radiator. Had similar issue with mine until I replaced the radiator, issue gone.
Radiator will look good on the outside but if you have a way to see the insides, you will be surprised. Make sure your fan clutch is good too.
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1987 300SDL 314K mi, counting; #22 Head ![]() 1999 E300Turbo 405K original miles 1997 E320 180K mi (Son's) 2002 ML320 (Son's) 1998 S320 140K mi (Son's) sold 1985 300SD 311K mi 1984 300D 324K mi (killed by a hit-n-run turd) ************************************* |
#4
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Operating without a bypass thermostat doesn't provide much useful information unless you also plug the bypass passage. It's a significantly different situation than removing a full flow thermostat.
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#5
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well I guess we need to wait till I get a new thermostat.
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08 R320 CDI current Past 95 E420 87 300D Turbo 5spd 90 300TE 83 300SD 85 300TD 92 400E 85 190D |
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