Ticking/clunking CAT 3116

Max Jens Odgaard

New Member
Nov 7, 2021
13
Boat Info
400 Express Cruiser 1993
Engines
Twin CAT 3116
The engine runs fine, no smoke in exhaust, it delivers all 2800rpm, but the sound worries me, had a mechanic (which is no CAT expert/ or boat engineer) listen with a long screwdriver, listen to the valve train, he suggests to pull out injector nr 1, and send it to analyse.

The engine has run 900hrs. And has not been calibrated before.

The engine looses some coolant over time, but I dont know where it goes?
Oil still looks perfect since last change 90 hrs of use.

Any suggestions other than the suggested, or should I go with that.

Here is a link to a video of the engine posted on youtube


Pardon my English im from Denmark, and Thank You....
 

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