PCM Outdrive noise in upper gears

Sorstrand

Recruit
Joined
Jul 23, 2008
Messages
4
Due to an extremely stupid error the boat was run for about 15-25 minutes on two quarts of lube rather then the 4 that it takes to completely fill it up.
Most of that time was idling.
I idled out of a slough and everything sounded normal. I brought it up onto plane and started hearing a very high pitched sound. I don't believe it was slipping because my RPM's were normal for the speed i was traveling.
I brought it to idle and threw it in nuetral. The sound went away completely.
Idled back to the launch and the sound was still apparent. Just not as loud.
I drained the lube and checked for metal flakes. There were some very fine flakes but nothing extreme. It was half full of lube so I believe the lower unit is fine.

PCM outdrives are extremely uncommon. They were only manufactured for about two years.
This one is on a 17' Sunliner Bowrider paired with a PleasureCraft Marine 4140.
I believe the 4140 was actually made by Mitsubishi though.
The model number is PSL20. Serial# D71344
Looks almost like an OMC with the dipstick on top and cover plate with four allen bolts in there.
I was planning on taking the cover plate off to look for apparent damage to the upper gears.

I am just wondering what would be the best next step to take. Any help at all would be great!
Thanks,

David
 
Last edited:

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,513
Re: PCM Outdrive noise in upper gears

PCM outdrives are extremely uncommon.

Ayuh,... Never heard of 'em,.... Has Google been any Help,..??
 

Capt Ken

Commander
Joined
Jul 30, 2002
Messages
2,269
Re: PCM Outdrive noise in upper gears

You can still get the parts or rebuilt units through PCM.
 

Sorstrand

Recruit
Joined
Jul 23, 2008
Messages
4
Re: PCM Outdrive noise in upper gears

Hi,

Thank you for your replies.
I will proceed with contacting PCM and see if they have anything available.

Thanks,

David
 
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