Mercruiser Ticking Noise

If the noise goes away you can rule out the engine then isolate the noise to the pulleys waterpump alt or the belt its self. One in addition a knocking sound on the 30 Merc could also be caused by the alternator.


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Looking for help to identify and resolve a tapping noise coming from the rear of the engine.

Mercruiser ticking noise. DIY Mercruiser 50 mpi ticking sound starboard side leaking exhaust manifold gasket. Sorry for my ginglish Oliver. Mercruiser Alpha One Gen II Lower Unit Noise – YouTube.

Just bought the boat. Could be a lifter loosening or it could be an exhaust leak. Retarded the timing without a light and it got better but started clicking around 3500rpm.

Engine has 228 hrs. I know I need to remove the valve cover but was looking for opinions. I have a 2003 50 MPI Mercruiser that has a steady ticking noise at idle speed and incrases as the engine rpms increase.

If playback doesnt begin. So check the sound change by disconnecting the v belt to the alternator first. Mercruiser Alpha One Gen II Lower Unit Noise.

I had this problem on a motor of one of my buddies. My guess is its now around 4 BTDC. Continued to retard timing until clicking was gone completely.

A small leak on the exhaust manifold can often be mistaken for an engine tick. Since beginning of season this ticking noise started coming to the engineI dont know what it is and I havent got a clue how to fix it. Any input is appre.

Remove the serp belt and run the engine. Only happens at idle after warmed up. Havent had a chance to check what it is with a timing light.

Dont run the engine too long as. The more I talk to people and listen to other videos this dieseling. If the noise remains then you are looking at engine components.

Oil pressure normal at 40. Did valve lash adjustment. Took it out on the water and it started making a clicking noise around 3000rpm.

30 GM Mercruiser Outdrive Engine Noise. I would have raised a high roller bed on that this was comming from the valve train but it wasnt.


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