Oil cooler leak

duckhead69

Member
Jun 11, 2010
163
michigan lake Erie
Boat Info
1980 Bertram
1986 Rinker2100
2006 Nova
1989 215 sundowner
1986 300 weekender lowrance HD-5
Engines
350 chevy inboards velvet drives
Noticed oil in bielge area last year pinpointed it to cooler lines or more likely the O-ring in housing . Does anyone now how to service oil cooler take out do you have to pull motor etc.
 
Put a wrench on it and tighten it down ...when oil coolers go bad on The inside you'll get salt water in your oil and it will milk out check your dipstick and make sure that the oil is clean


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You may need to disconnect the lines connected to the cooler at the far ends then pull the cooler with the two hose out as an assembly. Install a new cooler along with two new hoses as an assembly.
 
Actually it is a remote oil filter housing that os leaking
 
Oh OK different animal altogether so it's leaking where the filter is by the riser or leaking where it connects on the lower part of the back of the motor?


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Oh OK different animal altogether so it's leaking where the filter is by the riser or leaking where it connects on the lower part of the back of the motor?


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Starboard motor down where oil filter should be back of motor by pan
 
I don't know if your 350's are setup like my 7.4 is. I just replaced the rubber oil seals in remote oil filter adapter. After removing the two filter lines with a 7/8 wrench, there is a larger single nut. I needed to cut a 1-5/16 wrench in half just to fit it down there. It takes the place of the spin-on filter. There are two square o-ring type seals to replace. It's a fairly simple change, it you can hang upside down over the engine and wiggle you arms into place...

Good Luck
 
I don't know if your 350's are setup like my 7.4 is. I just replaced the rubber oil seals in remote oil filter adapter. After removing the two filter lines with a 7/8 wrench, there is a larger single nut. I needed to cut a 1-5/16 wrench in half just to fit it down there. It takes the place of the spin-on filter. There are two square o-ring type seals to replace. It's a fairly simple change, it you can hang upside down over the engine and wiggle you arms into place...

Good Luck

Yup sounds like it is the same a pia but will try that today after work thanls for the help
Marty
 

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