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Known Issues & Common Problems

Ericson 34 Known Issues

Common problems, survey red flags, and what to inspect before buying a Ericson 34.

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These are the most commonly reported problems on the Ericson 34, compiled from surveys, owner reports, and marine forums. Use this list as a pre-purchase inspection checklist — especially the high-severity items.

8
Known Issues
4 High 4 Medium
Accommodations
Medium
The interior liner on Ericson 34s is bonded to the hull and can develop voids or separations behind the liner over the years, making leak sources difficult to trace. Water intrusion from deck fittings often travels behind the liner and appears far from its source.
Engine
Medium
Early Ericson 34s were commonly fitted with the Universal diesel in a relatively tight engine compartment with limited access. Raw water impeller housing and heat exchanger access are cramped, leading to deferred maintenance; verify full service history and inspect for overheating damage.
late 1970s–early 1980s models
Hull/Deck
Medium
The deck-to-hull joint on Ericson 34s uses an outward-turning flange secured with through-bolts and bedding compound. This joint is prone to weeping leaks, particularly along the toerail, which can saturate the balsa core in the deck edge over time.
High
Ericson used balsa core extensively in the deck of this model. Water intrusion through deck hardware fittings — especially stanchion bases, chainplates, and cleats — commonly leads to soft, saturated, or delaminated core sections. Tap the entire deck carefully.
High
Chainplate knees are glassed to the interior hull liner and can delaminate from the hull over time due to rig loads. The chainplate area should be inspected for cracking in the surrounding laminate or movement under load.
Medium
The rudder on the Ericson 34 has a fiberglass shell over an internal foam core and metal armature. Water intrusion into the rudder through the blade or stock area can cause delamination and, in cold climates, freeze-thaw damage that compromises rudder integrity.
Keel
High
The encapsulated lead keel on the Ericson 34 can develop cracks in the fiberglass shell at the keel-to-hull joint, allowing water intrusion. Inspect this area closely for gelcoat cracking, weeping rust stains, or soft laminate, which may indicate structural separation.
Rigging
High
The aluminum chainplate backing plates used by Ericson can corrode and lose clamping force, particularly where they contact moisture. On the Ericson 34, the inboard chainplates pass through the deck and are a known leak point; inspect backing plates from below for corrosion and elongated holes.
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