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Tan, I asked your help a while back. was getting steam out
Tan,I asked your help a while back. was getting steam out my engines. since then i have replaced my water pump. replaced risers and manifolds and still steam coming out. my mechanic said it looks like… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
1985 mercruiser 260 inboard. Impeller let go, nothing left
Hi, 1985 mercruiser 260 inboard. Impeller let go, nothing left when I changed it. New manifolds and risers. Starboard exhaust host at riser extremely hot and melts, starboard exhaust manifold seams co… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
I have a 2001 Wellcraft with dual 454 mercruisers. One the
I have a 2001 Wellcraft with dual 454 mercruisers. One the port side engine one of the exhaust manifolds is extremely hotter than the others. I recently requested the marina to replace impellers, ther… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
Tan, in Mexico now. Boat running hot on starboard side I am
Tan, in Mexico now. Boat running hot on starboard side I am told. Need your help. Thanks, ***** ***** 185Mercruiser V6.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
Horizon Mag 454 HO on a Sundancer 380/2000. Both engines have
Horizon Mag 454 HO on a Sundancer 380/2000. Both engines have about 310 hours. Port engine is steaming (white smoke). Water flow between port and starboard the same. Port Eng temp 1 degree lower than … read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
i have twin Mercruiser 305 ci (MIE228) in a 1978 Bertram 28
i have twin Mercruiser 305 ci (MIE228) in a 1978 Bertram 28 the port engine has been overheating with the temp gauge showing rapid increase at higher rpm, then dropping when rpms are reduced and engin… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
Hi Tom. I own a 2000 mercrusier 454 serial number 0l621200.
Hi Tom. I own a 2000 mercrusier 454 serial number 0l621200. I have been experiencing these problems over the past two seasons. The starboard side of my single engine is running 30 deg hotter then port… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
1997 mercruiser 7.4 low hours, fresh water use only, manifolds
1997 mercruiser 7.4 low hours, fresh water use only, manifolds too hot to touch! I replaced impeller,checked water flow with earmuffs,enginr temp is ok at 160 degrees. I pulled off starboard riser it … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
Hi,We have a 2005 Rinker 360 with 496 mercs and have had water
Hi,We have a 2005 Rinker 360 with 496 mercs and have had water in the cylinders in both port and starboard sides, what's the best fix? Thanks Andrew… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
Hi! 2001 Merc 350 Mag with thru hull exhaust: on cold start,
Hi! 2001 Merc 350 Mag with thru hull exhaust: on cold start, water exits both exhausts, soon thereafter only port side. Starboard side riser very hot to touch. Is this normal? or is there a stuck ther… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 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
Marine Mechanic
Vocational, Technical or Trade School
22,804 satisfied customers
5.7L raw water cooled. Starboard side riser running too hot
5.7L raw water cooled. Starboard side riser running too hot to touch. Changed the riser with a new one, no difference. Still running hot on the one side.… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
FAO Tan Partin Hi Tan, you where correct, tubes gone in the
FAO Tan Partin Hi Tan, you where correct, tubes gone in the Heat Exchanger but it is beyond repair. I have tried to purchase a replacement but am told it is no longer available which is a major proble… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,507 satisfied customers
converted my v8 mercruiser log stye manifold system to the
converted my v8 mercruiser log stye manifold system to the Center rise model...The problem is that one side of the exhaust runs warm and the other side runs hot ? The temp guage on dash is normal...Wh… read more
Kenny
Kenny
Mercury & Mercruiser Diagnostics
Master's Degree
99 satisfied customers
After a couple of hour run at least 3/4 throttle, my 1999 Mercruiser
After a couple of hour run at least 3/4 throttle, my 1999 Mercruiser 4.3 risers doesn't seem to be heating equally. The starboard riser seems it's normal hot to touch, while the port riser is barely w… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
I have a 5.0l Mercruiser. A few minutes after starting the
I have a 5.0l Mercruiser. A few minutes after starting the engine, the water from the thermostat housing to the engine water circulating pump, and the starboard manifold becomes very hot, the water to… read more
capt ron 1959
capt ron 1959
Owner/Marine Mechanic
Vocational, Technical or Trade Scho
348 satisfied customers
I have a 2005 Rinker 320 wit twin 5.0 s. The port engine runs
I have a 2005 Rinker 320 wit twin 5.0 's. The port engine runs 10 - 15 degrees hotter(195-195) than the starboard engine (175) when warmed up and under way. The port risers are hotter to touch than th… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
Have 1997 5.7L Raw water cooled 210 hours original engine on
Have 1997 5.7L Raw water cooled 210 hours original engine on SeaRay Sundancer 240. Last year replaced both exhaust elbows and risers. Since then Starboard exhaust side runs warm to hot. Port side is c… read more
Captain Dave
Captain Dave
Charter Captain & I.S. Director
Master's Degree
2,808 satisfied customers
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