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Old 06-24-2021, 08:35 PM   #2
Portage_Bay's Avatar
City: Coupeville Wa.
Vessel Name: Pelorus
Vessel Model: Californian 42 LRC
Join Date: Oct 2015
Posts: 1,408
My guess is Hynautic. I have an 83 Californian with Hynautic. Look for a reservoir with an air valve on top similar to a tire valve.

There's probably no reason to buy a new pump, they're expensive. A good hydraulic shop can overhaul it for you. I recommend you think about overhaul for both helm pumps, the ram and the autopilot pump. Also a complete drain, flush and refill of the system. While you're at it a close inspection of the hydraulic lines too. 35 yrs is a long time.
Some things are worth doing simply because they are worth doing.
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