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| Author |
Message |
    
Gary Boyd
Visitor
| | Posted on Thursday, October 04, 2007 - 07:57 am: | 
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I have a pair of 1954 vintage marine 471's. The starboard side has developed a leak in the vicinity of the blower - after shut down a fair quantity of oil runs down along the top of the engine. I'm going to pull the blower this fall, but am wondering in advance what type of internal problems I should be looking for.
Thanks! |
MARVIN PIERCE
Advanced Member
Username: marv
Post Number: 187
Registered: 09-2001
| | Posted on Thursday, October 04, 2007 - 01:02 pm: |
|
sounds like valve cover gskt leaking, also look at gov gskt to head. if you do remove blower look at pisto rings and liners |
mikey theriot
New member
Username: mikeytheriot
Post Number: 3
Registered: 09-2007
| | Posted on Saturday, October 06, 2007 - 02:03 am: |
|
it could be the valve cover gasket but, 9/10 its the blower drive tube with the two clamps dry rotted out need to be more specific with the problem let me know dont remove the blower unless you really have to. is there oil on the fuel pump, /.dr detroit |
Gary Boyd
Visitor
| | Posted on Tuesday, October 09, 2007 - 06:28 am: |
|
Thanks for the responses. To be a little more specific...The valve cover gaskets show no leakage, and there is no oil on the fuel pump. This engine uses a little more oil than the other, but apart from that it starts and runs pretty much the same. It has always been a little noiser and the noise does appear to be from the blower, not the engine. |
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