Thread: Tilt trim popping.

Originally Posted by superfly

Gentlemen, I'm looking for some advice. Mariner 150. When trimming up or down under a load ( in gear ) the trim makes a popping noise. Any ideas as to the cause?

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I'd guess it needs lube on the pins/bushings, but you've probably already shot some grease in the fittings and WD40'd the cyl pins? Is it a continuous pop,pop,pop as it goes up/down or a single pop as it changes directions?

Someone suggested putting a little grease on the push rods with the little roller bearings. That seems to have been the culprit. Lubed them up and the popping is gone. Thanks guys.

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Lube on the push rod rollers done the trick. Popping is gone.

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