Quote:
Originally Posted by Stevo
You could still have air in the system, these engines aren't necessarily self bleeding. What I do is turn the heater on full, have the front of the car raised, disconnect the upper radiator hose from the radiator (engine running), fill the engine with a funnel in the raised upper radiator hose. When heat comes out the cabin heater vents, your bled. Is your heater putting out as it should now?
I haven't installed a T-stat for a while but they used to have a small arrow to indicate "which way up" or ahead depending on your housing. It was small and easy to miss. The one I have in my shop has the arrow but I'm not sure if thats still a factor.
Also its not uncommon for a T-stat to be N/G off the shelf, epically if its not a Wahler as qwerty said.
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I ran the car for about 300 miles now...had the heater on a few times and it put out heat fine. I did not fill as you indicated. Also, I didnt install the thermostat. I was changing diff fluid while the MB tech was changing out thermostat and coolant. Cant say if the arrow was pointing up, but the MB tech is very experienced and knowledgable so if it matters that the arrow is up...then I'm sure he did it right.
The car immediately went to 95 degrees and it hasnt varied from that for a week and 300 miles. Its probably not a big deal since the car is technically not overheating but after being used to 85; the 95 kinda makes me notice the temp more.
Maybe I'll just get a Wahler and see if there is a difference> I take it from your comments and Qwerty's that the Wahler is preferred over Behr?