mark dobie Posted March 31, 2013 Share Posted March 31, 2013 New to audi's but got a problem. Started with an a4 i bought with a misfire due to a failed heater plug falling into the engine destroying the valves and piston top. So i got a second hand engine, fitted it my self last june............in the rain. It passed its mot. Immediately it ran well for 6months then 2 hydraulic tappets exploded had the head rebuilt new valves and hydraulic tappets put it all together and started it, it ran sweet for 2 days then a tappet seized so the piston was slapping against the valve. Head rebuilt again now its smoking! Help Quote Link to comment Share on other sites More sharing options...
Steve Posted April 3, 2013 Share Posted April 3, 2013 hi mate and welcome to the Audi Owners Club Sounds like you have had some bad luck with the car are you sure the valves are seated properly? Quote Link to comment Share on other sites More sharing options...
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