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Search: Posts Made By: jamanati
Forum: Engines 10-09-2016, 05:39 PM
Replies: 22
Views: 3,004
Posted By jamanati
No alarm since the oil pressure remained fine...

No alarm since the oil pressure remained fine throughout the day.
Forum: Engines 10-07-2016, 11:59 PM
Replies: 22
Views: 3,004
Posted By jamanati
Finally got down to my boat. Hooked up...

Finally got down to my boat.
Hooked up mechanical oil pressure gauge on a tee fitting and kept electrical gauge connected. Both show pressure at idle at around 50-60 psi. Took it out for about...
Forum: Engines 09-19-2016, 01:03 AM
Replies: 22
Views: 3,004
Posted By jamanati
I'm grasping at straws with the mechanical gauge...

I'm grasping at straws with the mechanical gauge maybe a wiring short in the harness at best. If the mechanical gauge also drops then it's engine pull out time.

One thing, when pressure is 0 there...
Forum: Engines 09-18-2016, 11:45 PM
Replies: 22
Views: 3,004
Posted By jamanati
Spent some time, figured some things out. The...

Spent some time, figured some things out.
The white crust is salt. I had a circulation pump failing that was spraying water all over the place. Okay, that's fixed.
Drained oil and filter. Put in...
Forum: Engines 09-14-2016, 12:28 AM
Replies: 22
Views: 3,004
Posted By jamanati
Pressure starts out good when cold, around 50 or...

Pressure starts out good when cold, around 50 or 60 psi. Driving after a while it still stays high 50 psi and up, then around 20-30 minutes, it starts to slowly lose pressure. From the time it starts...
Forum: Engines 09-13-2016, 12:47 AM
Replies: 22
Views: 3,004
Posted By jamanati
A peek into the oil filler hole doesn't show any...

A peek into the oil filler hole doesn't show any build-up on either side.
Forum: Engines 09-13-2016, 12:46 AM
Replies: 22
Views: 3,004
Posted By jamanati
Will look to pull a valve cover off this weekend....

Will look to pull a valve cover off this weekend. I peek into the oil filler hole doesn't show any building.

The left manifold where the oil filter bracket is bolted was definitely hotter than...
Forum: Engines 09-12-2016, 05:25 PM
Replies: 22
Views: 3,004
Posted By jamanati
Oil pressure on the gauge drops to 0, alarm goes...

Oil pressure on the gauge drops to 0, alarm goes off right before it does.
I didn't hear any knocking noise when the alarm went off, I did shut the motor off.
When I started it again about 45...
Forum: Engines 09-12-2016, 12:18 AM
Replies: 22
Views: 3,004
Posted By jamanati
I had the issue about a month ago, low oil...

I had the issue about a month ago, low oil pressure.
Swapped out oil pressure sender switch, gauge, etc. Those were fine.
So I did replace the oil and filter, pressure came back. That was a month...
Forum: Engines 09-12-2016, 12:12 AM
Replies: 22
Views: 3,004
Posted By jamanati
4808 4809 One remote oil filter looks...

4808

4809

One remote oil filter looks fine, clean, that's on the starboard motor, which is running fine.

The other remote oil filter is white, looks salty or crusty, engine loses oil...
Forum: Engines 09-12-2016, 12:10 AM
Replies: 22
Views: 3,004
Posted By jamanati
Merc 5.7 loses oil pressure, one manifold hot, white stuff on remote oil filter.

Have a twin engine 5.7 L Merc.
Both engines start out fine with oil pressure, cold, and idle, 40-65 psi
After driving 20 or 30 minutes, port engine gauge starts to drop, alarm goes off. Starboard...
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