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PointedThree :  Sedan Forums : W126 S,SE,SEC,SEL,SD,SDL Class : coolant change 87 300 sdl

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coolant change 87 300 sdl
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Posted 5/14/2011 6:36 PM

Date registered: May 2011
Location: McDonough, Georgia
Vehicle(s): 1987 300 SDL, 99 Quest, 96 Prism
Posts: 5

coolant change 87 300 sdl

What am I doing wrong? Had to drain radiator to change vacuum pump, now that I've refilled coolant tank, runs hot. Radiator is cold, engine is hot. What did I not do.
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Posted 8/28/2011 1:52 PM

Date registered: Nov 2008
Location: Vancouver Canada and Darwin Australia
Vehicle(s): 123,126
Posts: 18

RE: coolant change 87 300 sdl

You havent done anything wrong.

 There is air in the coolant system that needs to release.When refilling the antifreeze always have the front end of the car on ramps,this will help the air evacuate.Always keep an eye on the temperature gauge to make sure it doesn't over heat.It takes a few minutes but air will evacuate and the temperature will return to normal.

 Keep us posted


#194058 - in reply to #189833
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