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Author Topic:   2008 150 MONTAUK: Water Accumulates in Forward Wiring Tunnel
smalltauk posted 06-19-2010 09:42 PM ET (US)   Profile for smalltauk   Send Email to smalltauk  
I have water getting into the forward wiring tunnel [on a 2008 Boston Whaler 150 MONTAUK.] Should [water] be draining somewhere other than overflowing the top of the chase opening under the center console and coming out of the bottom of the console?

What is the likely source of the water?

At the end of last season the navigation lamp at the bow stopped working. I brought [the boat] to the dealer and he indicated there had been some corrosion. [What is the procedure] to remove the lamp?

Thank you.

number9 posted 06-20-2010 04:08 AM ET (US)     Profile for number9  Send Email to number9     
Always good to inform us of what year of Whaler your question concerns. In this case some of us can narrow it down to a three or four year period. There may have been changes in the routing even in a short period of time if the Boston Whaler engineers are informed of an issue.
smalltauk posted 06-20-2010 06:40 AM ET (US)     Profile for smalltauk  Send Email to smalltauk     
It's a 2008. Thanks.
Jefecinco posted 06-20-2010 11:15 AM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
Small--Does your Montauk have the trolling motor wiring option? If so, that could be a possible source of water draining into the console through the forward rigging tunnel. If not, it almost has to be entering via the forward navigation light mounting area.

Do you use a pressure washer when washing down?


smalltauk posted 06-20-2010 11:36 AM ET (US)     Profile for smalltauk  Send Email to smalltauk     

I do not have the bow mounted trolling motor option and I haven't used a pressure washer on the boat.


number9 posted 06-21-2010 04:59 PM ET (US)     Profile for number9  Send Email to number9     
Mike--When do you notice the water? Constantly or occasionally? In water or on trailer? Is it a new problem? Looks like it's a straight shot back to the bilge and sump. If the bilge pump is operational and pumps water it should drain back and go overboard. A foreign object such as a towel or plastic bag could prevent drainage.
Jefecinco posted 06-21-2010 07:13 PM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     

I'm sort of out of possibilities. Grasping at straws here, but, have you checked to ensure the bow eye is tight and has been well caulked. On my 160 Dauntless I found the eye to be loose when I was attaching the bitter end of the anchor line to the eye inside the anchor locker. This was when the boat was new and had not yet been in the water except for sea trials.

Even if the bow eye penetration was the source of the water it's difficult for me to imagine how the water could migrate to the forward rigging tube and thus find its way back to the console. Still, it may be worth a look.


whale posted 06-22-2010 03:17 AM ET (US)     Profile for whale  Send Email to whale     
A little bit of water is always in the tunnel. I don't know where the entry is. but it should exit to bilge. Open the cap on starboard step and make sure water is coming through. I would even stick a hose to the hole in the console.
jimh posted 06-22-2010 08:54 AM ET (US)     Profile for jimh  Send Email to jimh     
Consider the possibility that the water collects in the forward rigging tunnel when the boat is on the trailer. We used to find this mysterious appearance of water in the forward areas of our boat after it had been towed on the highway. During travel, when going down some steep grades, water that was in the stern sump was running forward and flooding into low areas in the bow.

Does the opening under the console have a raised lip around it to prevent water from easily entering?

jimh posted 06-22-2010 08:55 AM ET (US)     Profile for jimh  Send Email to jimh     
[Since this discussion is specific to a late-model Boston Whaler boat, it has been moved to POST-CLASSIC.]
whale posted 06-23-2010 04:27 PM ET (US)     Profile for whale  Send Email to whale     
the lip in the console is just a ring to finish off the hole in fiberglass. only way the water can come out of the hole in console would be,

boat parked outside with trailer jack lowered all the way with sump plug in, builge pump off.
rain water could drain into the sump then though the tunnel to the console.
water getting into the tunnel and there is a blockage between the tunnel and builge.

the tunnel is about 5" in dia thats a lot of water if its comming out of the hole in the console.

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