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· Registered
Mercedes 28E 1993 (W124)
119 Posts
Discussion Starter · #1 ·
hey all, when i go on a long fast run in my car and when its up to its full operating temp, at idle the car will quite frequently "knock", im sure its the lifters / tappets. Its lowered the times that this happens by a filter and oil change...

should i worry? or should i just turn the radio up :p



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