Thread: Is the service manual procedure correct for replacing antifreeze on a 300SDL?
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Old 04-09-2003, 01:26 PM
airfoill airfoill is offline
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Join Date: Aug 2000
Location: Houston, Texas
Posts: 333
Has anybody else filled coolant as stated in the service manual? I'm just wondering if I'm the only one here that had this problem?

The valve tapping sound that I have now did so when the engine was cold and went away once warmed up. Now, since yesterday, I the valve is tapping when the engine is even warm. What could have caused this?

Herb
'82 240D
'87 300SDL
'92 300D 2.5 Turbo
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