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How many and where are the drain plugs located on a Mercruiser

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5.7 EFI engine?...
How many and where are the drain plugs located on a Mercruiser 5.7 EFI engine?
Submitted: 9 years ago.Category: Boat
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Answered in 2 minutes by:
12/14/2008
Marine Mechanic: ROCKET, Marine Mechanic replied 9 years ago
ROCKET
ROCKET, Marine Mechanic
Category: Boat
Satisfied Customers: 999
Experience: I HAVE BEEN WORKING ON BOATS OVER 25 YEARS
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Welcome to JA

 

what year 5.7

do you have a serial number handy?

this way i can post pics

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Customer reply replied 9 years ago
1997
Marine Mechanic: ROCKET, Marine Mechanic replied 9 years ago

here you go

 

CLICK HERE

ROCKET
ROCKET, Marine Mechanic
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Satisfied Customers: 999
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Customer reply replied 9 years ago
so.. that would be 3 per engine?
Marine Mechanic: ROCKET, Marine Mechanic replied 9 years ago

you might have up to 7

 

both manifolds

both block drains

knock sensor

fuel cooler

water pump (maybe)

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Customer reply replied 9 years ago

7 for both engines? I am only asking because the prior owner added a MST Guardian BT-2000 flush system and I wanted to make sure the hoses to the block replaced a drain plug, Thanks

 

Marine Mechanic: ROCKET, Marine Mechanic replied 9 years ago

well i would print out the manual i posted

you will have to do some look over the motor

ROCKET
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