80 300SD (W116) running hot

94E420 · 02-19-2008, 02:36 PM

Recently I had my mechanic replace all of the tubing that connects to dreaded servo on my w116 diesel.

Since I’ve had the car back its running very hot almost into the red. Even in below freezing temps. I addressed this with the mechanic and he couldn’t find the problem.

Prior to having the tubing replaced engine temp was NEVER an issue.

What did he do that is causing this issue?

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harkgar · 12-25-2008, 11:49 AM

[quote=94E420;2662714]Recently I had my mechanic replace all of the tubing that connects to dreaded servo on my w116 diesel.

Since I’ve had the car back its running very hot almost into the red. Even in below freezing temps. I addressed this with the mechanic and he couldn’t find the problem.

Prior to having the tubing replaced engine temp was NEVER an issue.

What did he do that is causing this issue?

______________________________________________
Merry Christmas.

When you say tubing did you mean the radiator hoses? A friend of mine has the same car, same year and I noticed that his return coolant hose on the passenger side (in front of the battery) was pinching on this small caliber rubber tube. Check on it.

240D 3.0T · 06-28-2009, 08:33 AM

Air needs to be burped from the system. Get the right front corner up in the air and let the engine get warm.

06-28-2009, 08:33 AM	#3
240D 3.0T Super Member Join Date: Apr 2006 Location: Federal Heights, CO Posts: 764 Drives: 1980 240D 3.0VNT, 1982 300D, 1982 300TD	Air needs to be burped from the system. Get the right front corner up in the air and let the engine get warm. __________________ www.youtube.com/Turbo617

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12-25-2008, 11:49 AM	#2
harkgar MBWorld Fanatic! Join Date: Apr 2006 Location: Toronto Posts: 1,183 Drives: 2006 E320 CDi, 2008 3/4 Ton Suburban, 2007 "rice rickshaw" Accord 5 speed	[quote=94E420;2662714]Recently I had my mechanic replace all of the tubing that connects to dreaded servo on my w116 diesel. Since I’ve had the car back its running very hot almost into the red. Even in below freezing temps. I addressed this with the mechanic and he couldn’t find the problem. Prior to having the tubing replaced engine temp was NEVER an issue. What did he do that is causing this issue? ______________________________________________ Merry Christmas. When you say tubing did you mean the radiator hoses? A friend of mine has the same car, same year and I noticed that his return coolant hose on the passenger side (in front of the battery) was pinching on this small caliber rubber tube. Check on it.

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