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I have a 1998 33 sea ray with 7.4 MPI. We had water in the
I have a 1998 33 sea ray with 7.4 MPI. We had water in the oil and evidence of water in the cylinders after checking the spark plug. We changed the riser's and manifolds because they were 5 years old … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a 7.4l / 454 Mercruiser engine. The exhaust manifold
I have a 7.4l / 454 Mercruiser engine. The exhaust manifold got cracked at one of the bolts. Now I need to replace. This is a two part question 1) Do I need to replace Both Manifold Exhaust and can It… read more
Noel Schembri
Noel Schembri
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Diploma
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Maybe you can, I hope. I have twin 350 Magnum Mercrusier engines
Maybe you can, I hope. I have twin 350 Magnum Mercrusier engines on my 2002 Rinker 342 and have water intrusion into my Starboard engine cylinders on the port side. Never overheated but hydrolocked la… read more
Tan
Tan
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Certified Marine Technician
11,264 satisfied customers
Hi Jason, I am replacing the second pair of exhaust manifolds
Hi Jason, I am replacing the second pair of exhaust manifolds today. . When I did the first pair a couple of months back I struggled to keep the gasket on the block while I fit in the manifold. Is the… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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Didnt winterize engine for mercruiser 3l xl, It was out of
Didn't winterize engine for mercruiser 3l xl, It was out of the water for 4 months and didn't think I had to. Anyways, popped a freeze plug. Changed it and started up the engine. I let it run for 10 m… read more
Tan
Tan
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Certified Marine Technician
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i own a 1958 amc 327 on a century coranado there was water
i own a 1958 amc 327 on a century coranado there was water in the engine oil i do not know if it was run where are the most likely damage areas and whats the best way to diagnos this i have removed in… read more
Jason
Jason
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Vocational, Technical or Trade Scho
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We have a 38ft Carver, with twin engines. Approximately how
We have a 38ft Carver, with twin engines. Approximately how much should it cost for a tune up? We are in the state of Washington, if the cost varies from state to state.… read more
Jason
Jason
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Vocational, Technical or Trade Scho
17,310 satisfied customers
I have a mercruiser 260 350 chev engine .The starboard side
I have a mercruiser 260 350 chev engine .The starboard side of the engine is getting hot.Question is where does the thermostat go in the housing top or bottom seems to look like it could go either way… read more
Jason
Jason
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Vocational, Technical or Trade Scho
17,310 satisfied customers
how do I determine if I have a cracked block or a bad exhaust
how do I determine if I have a cracked block or a bad exhaust manifolds and or risers on a 6.2 lt v8 small block?… read more
Noel Schembri
Noel Schembri
Marine mechanic
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Quick question Is it normal for the lower two Cylinders to
Quick question Is it normal for the lower two Cylinders to have less compression the the top two. I did a compression test the top 4 had 120 compression the bottom two had 110. just seemed weird to me… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I have water in my crankcase on a 2000 Volvo Penta 5.7 GSi.
I have water in my crankcase on a 2000 Volvo Penta 5.7 GSi. Engine only has 78 hours on it. What is the most likely cause? The engine has never over heated to my knowledge.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a large amount water in my Mercruiser 5.7 motor. It
I have a large amount water in my Mercruiser 5.7 motor. It fill with in 15 mins. of idleing. is this a blown head gasket, cracked head or cracket block?… read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
i need to know where the drainplug on a bayliner capri 1989
i need to know where the drainplug on a bayliner capri 1989 model is located so the water wont blow my freeze plugs out it has a small volvo engine in it inboard outboard… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
what replacement engines will work in a 1967 gulfstream.it
what replacement engines will work in a 1967 gulfstream.it has a 160 hp mercruiser in it. im told because the oil looks like creamed coffie,the engine is bad.thanks for your time… read more
K. Kergan
K. Kergan
Marine Mechanic
Vocational, Technical or Trade Scho
1,031 satisfied customers
4.3l alpha one 1989, i am draining the engine block and manifolds,
4.3l alpha one 1989, i am draining the engine block and manifolds, on the starboard side i drained the manifold first and the engine block next, i got water out of both, on the port side i drained the… read more
briggs archer
briggs archer
master marine mechanic
Associate Degree
374 satisfied customers
HI, we have a sea-ray boat with two volvo KAMD44P engines installed
HI, we have a sea-ray boat with two volvo KAMD44P engines installed approx 4 years ago. We would like to know if the gearbox oil coolers should be bonded to the ground zinc blocks or left isolated in … read more
Jason Forsberg
Jason Forsberg
Outboard Marine Mechanic
Vocational, Technical or Trade Scho
531 satisfied customers
How do I remove the power trim hoses that are inside the boat
How do I remove the power trim hoses that are inside the boat on a 1988 Mercruiser Alpha 1 drive (gen 1). The hose from the pump to the drive, how to they terminate it at the transom? Is there a fitti… read more
mercmastertech
mercmastertech
Service Manager, Master technician
Technical School
249 satisfied customers
I have a 1996 Volvo Penta 454 7.4l big block. I used it 5 times
I have a 1996 Volvo Penta 454 7.4l big block. I used it 5 times this year with no issues. After attempting to start it, the engine was sputtering. I removed the plugs and found water in the cylinders … read more
gearheadII
gearheadII
Bachelor's Degree
138 satisfied customers
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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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