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I just put in a rebuilt engine to replace the one my son in
I just put in a rebuilt engine to replace the one my son in law burned to crisp last year. New hoses, new raw water pump, etc . I never found a reason for the severe overheat and now I find that there… read more
Yachtwork
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I have a 2014 Mercruiser 5.7 fresh water cooled. It
I have a 2014 Mercruiser 5.7 fresh water cooled. It overheated yesterday. I put a gallon of coolant in tonight and ran it. It stayed at 160-170 at dock idling for 15 minutes. I took it for a ride and … read more
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Jason
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Background. mercruiser 6.2 mpi 377 . bravo 3, ser 0w004265,
background. mercruiser 6.2 mpi 377 cid. bravo 3, ser 0w004265, '04. has factory installed thru hull pick up added to T fitting between the drive intake and the pump..so the bad news is skimmed across … read more
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I have a 1978 Egg Harbor sport fish with twin 270 HP Crusader
I have a 1978 Egg Harbor sport fish with twin 270 HP Crusader gas engines (350 GM blocks) - raw-cooled. The starboard engine has never been touched and has around 2200 hours. Over the past couple of s… read more
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I have a mercruiser 8.2l with bravo 3, and changed the impeller
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I have twin 454 Mag MPI Horizon engines in my Carver 405. How
I have twin 454 Mag MPI Horizon engines in my Carver 405. How do I winterize them in the water?… read more
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I have a 1995 Donzi Blackhawk (hull #37) with a Mercruiser
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Jeff G.
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marine boat 454 Hi Question is about test ride for about
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James
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1988 big block 454, 34 searay, idle it runs fine 140-145,
1988 big block 454, 34 searay, idle it runs fine 140-145, good water flow out both exhausts,any power the temp max spike right away 202+ I have to shut it down right away. New impeller, new thermostat… read more
Tan
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I just recieved two rebuilt engines, one works great and the
I just recieved two rebuilt engines, one works great and the other over heats. The oil in the port engine has less than one hour useage. New oil and filter put in a few weeks ago. I was told that the … read more
Captain Dave
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I have a mercruiser 350 mpi magnum year 2005 my boat is in
I have a mercruiser 350 mpi magnum year 2005 my boat is in dry dock for the winter I started the engine and the temp guage is rising with the water calipers on would the termostat be sticking ther is … read more
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I have a 1988 Mastercraft with 351 that will rise in temperature
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Tan
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I have a 2005 searay with v6 mercruiser, just had it in for
I have a 2005 searay with v6 mercruiser, just had it in for service as temp was continuing to rise, mechanic changed impellor in water pump and said it is now running fine. the temp is still rising wi… read more
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I have just had a new SX-A outdrive installed on my boat, which
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I have an over heating problem in the starboard bravo 2 mercruiser;
I have an over heating problem in the starboard bravo 2 mercruiser; oil pressure is good and there appears to be adequate coolant. Is the water intake clogged and if so where do you repair it from… read more
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Hi, I have a 1988 2.3l ford tko with cobra 400 I/O. Ive had
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Captain Dave
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I have a 1987 4 Winns 225 which was repowered in 2006 with
I have a 1987 4 Winns 225 which was repowered in 2006 with a FWC 5.0L MPI and Alpha drive. The dealer added a through hull water intake in addition to the stern drive intake. Before winterizing I flus… read more
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Meet the Experts:

Ted G.

Ted G.

Rigger, Diagnostician

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40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

Dominick

Dominick

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25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

John White

John White

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Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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Jeff G.

Jeff G.

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Captain Dave

Captain Dave

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USCG Licensed Captain, 20+ Years Boating, Fishing, Maintenance and Repair Experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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