Bud,
A viscous fan clutch should be easy to spin when the engine is cold and stiff when the engine is hot.
So you are good to go.
(I didn't remember for sure if my MB has one or not - so I looked on Rockauto - they list it.)
Bobby
On Wed, Dec 4, 2013 at 3:09 PM, Bud S <budski252@yahoo.com> wrote:
How could you read my mind? What and where is that electro-mechanical thingy?
On flat and normal conditions my temps have hovered between 80-90C. Going up hills it's been rising, last week on my way home it got close to the upper white mark and after I crested the hill it dropped to normal temp.
I checked the expansion tank and the coolant was low. The cap rubber seal had seen better days so I replaced that.
Is the fan clutch supposed to be real loose so you can just spin the fan easily? Right now after driving it, it's sort of stiff.
Thanks,
Bud
WELCOME Bud ! .Your S Klasse has a tricky electro-mechanical HVAC thing that craps out without warning if you fail to keep the coolant *perfectly* clean and changed & flushed every 12 months .We have severl W116 lover here , Ben are you there ? .-NateBod Wrote :
Just wanted to introduce myself to the group. I picked up a 1979 300SD during the summer and have been doing minor repairs to get her on the road.
It's been a week since I've been driving it and have been adjusting to driving a land yacht again. I haven't driven an automatic in over 20 years and from what I can remember this is the smoothest shifting car I've driven.
Have gone through about a half tank of diesel, so not sure of what mpg yet.
Trying to read through a lot of topics on this car just to figure out how everything works.Bud
Toward freedom,
Bobby Yates Emory
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