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    • Cummins Marine Forum Topics
    • 6BT T stat housing & Coolant pump sealant?

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 2 years ago

      January 16, 2022 at 9:08 am Just purchased the 160 degree T stat package from SB.Ā  I will be doing work to my HX and coolant system in the spring.Ā  No overheating issues, just 22 years old and a good time to change up.Ā  I have a new coolant pump with O ring for the 6BT in the shop.Ā  My question, what would be a good sealant to use on the metal to metal surface of the T stat housing and the coolant pump flange to the block?Ā  Reto-seal, yellow or blue?Ā  Or is there another p…

      Started by: John Hobby in: Cummins Marine Engines

      1 Reply
      January 21, 2022 at 8:02 am Yellow RECTORSEAL #5Ā  Ā on everything including the bolts,Ā 

      Last Post by: Tony Athens posted: 2 years ago

    • 2 batteries, one selector switch

      This topic has 4 replies, has 2 voices, and was last updated byClark Leighs 4 years ago

      December 25, 2019 at 7:57 am Merry Xmas to all. I have a simple question, and one I am sure I know the answer but would love to hear it from others who are better suited to answer. I have a Cummins 6BT with two 4D batteries. I have a simple selector switch, battery 1, battery 2 and all. My question, with this set up, I assume there is no house and engine battery. When on 1, 1 does both. When on 2, battery 2 does both. Correct. And the opposite battery from which is …

      Started by: John Hobby in: General Discussion

      4 Replies
      December 26, 2019 at 12:16 pm OK, Keep in mind my comments about the alternator output at engine idle speeds. I have seen people caught on that because they did not understand that the alternator MUST be run at a far higher engine rpm than idle to produce any appreciable current with the result the batteries don’t get charged, actually continue to discharge, even though the engine was run for many hours..

      Last Post by: Clark Leighs posted: 4 years ago

    • Tony, you got a shout out!

      This topic has 2 replies, has 3 voices, and was last updated byClark Leighs 4 years ago

      November 1, 2019 at 3:57 am Hey Tony, In On The Water magazine there was an article on preventive maintenance by Larry Backman. He gave you a great shout out, said “Tony is the internet God of diesels..” Thought you like to know. And I am sure many others feel the same way, I do for sure! Thanks for all the help. John Hobby Martha’s Vineyard, MA

      Started by: John Hobby in: General Discussion

      2 Replies
      December 5, 2019 at 7:10 pm +2 I didn’t see the shout out but I agree.

      Last Post by: Clark Leighs posted: 4 years ago

    • Fleetgaurd LF3894 oil filter capaciity

      This topic has 6 replies, has 4 voices, and was last updated byTony Athens 4 years ago

      November 24, 2019 at 6:35 am Hi guys, Does anyone know the capacity of the B series Fleetgaurd LF3894. Thanks in advance. John

      Started by: John Hobby in: Cummins Marine Engines

      6 Replies
      November 24, 2019 at 1:53 pm Oil Filter capacity is not related to OIL PAN CAPACITY and does not affect how your dip stick is marked, or “should be marked”.. Install 2 or 3 LF3894 filters in parallel on your engine and your oil pan capacity and dip stick markings will not change——————————————————-Only your SYSTEM capacity will increase. Oil Pan Capacit…

      Last Post by: Tony Athens posted: 4 years ago

    • Raw water impeller tool

      This topic has 5 replies, has 4 voices, and was last updated byJeff Marino 4 years ago

      October 14, 2019 at 5:03 am Hi to you all. Just was told about a impeller installation tool sold by impellertool.com. Guy said it was the bomb for install. Have not priced it yet but wonder if anyone has ever ordered and used this prior to me diving in. Cummins 6BT 5.9M. Sherwood 10615 impeller, key style. Thanks, John

      Started by: John Hobby in: Cummins Marine Engines

      5 Replies
      October 21, 2019 at 10:01 am I bit the bullet and bought the impellertool.com last year after wrestling with my port engine impeller (really difficult access = no leverage). Like everyone, I’ve tried hose clamps, zip ties, lube, and brute force… yeah, that works, but I always lost some skin on my knuckles and created a few new combinations of cuss words! Only caution is that it still takes a little effort to hold the impeller in place on the shaft as you pull th…

      Last Post by: Jeff Marino posted: 4 years ago

    • 6BT fuel lift pump

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 4 years ago

      October 20, 2019 at 6:49 am Good morning. Question on the fuel lift pump on my 6BT. I have no starting issues, starts right up. Run just fun, so no issues there. I will be changing the fuel filter. Last Friday I actuated the hand pump lever on the lift pump for the heck of it. Seemed to move very free with no pressure as I would of thought it would have. Up and down like nothing was restricting the movement. My question: Is this normal or is there something wrong…

      Started by: John Hobby in: Cummins Marine Engines

      1 Reply
      October 20, 2019 at 9:56 am The lift pump lever inside the engine rides on a CAM.. If the engine happened to stop with the “lever” on the cam, then the mechanical pump lever will feel totally limp–“NOTHING”.. Plus, if the vlever does work, than at best it’s pretty weak at best and slow to react or recover from the little bit it pumps.. An “outboard” type squeeze bulb does 3-4X the pumping with way less effort.. Tony

      Last Post by: Tony Athens posted: 4 years ago

    • Sherwood M71 on 6BT

      This topic has 2 replies, has 2 voices, and was last updated byJohn Hobby 4 years ago

      October 19, 2019 at 1:28 pm Hey guys, Again, new to this boat and the 6BT 5.9M. Great motor! 440 hours. Preparing for spring. Just winterized yesterday. Check out the pic attached. Just want to hear it before I go there. Want to replace impeller. #1 Disconnect upper and lower hose. #2 Do I un-bolt entire unit from gear train and then remove the neck transition piece to replace impeller? No typical cover plate. #3 Then lash the gears back when replacing, all done?…

      Started by: John Hobby in: Cummins Marine Engines

      2 Replies
      October 19, 2019 at 2:01 pm Hey Bill, kinda felt the same. Jus wanted to get a handle on it. Only one engine, thank god, two would kill me!

      Last Post by: John Hobby posted: 4 years ago

    • Zincs on 6BT 5.9M

      This topic has 6 replies, has 3 voices, and was last updated byRob Schepis 4 years ago

      October 12, 2019 at 11:09 am Hi to all. New to the forum. Purchased a 1999 Eastern with 6BT 5.9M. My question, only one zinc in heat exchanger. That is what I have seemed to determine. Am I right? I have a PSS and I would assume they took the other zinc location and ran the cooling line. I am used to Yanmar ^LPA that had several zincs. Would appreciate any info. Love the Cummins, 392 hour when I bought the boat, got 440 now. Thanks

      Started by: John Hobby in: Cummins Marine Engines

      6 Replies
      October 12, 2019 at 3:15 pm John Hobby wrote: Hey Rob. One other thing. My parts guy has sold me a Camp 2E. Is that the correct length you think? Thanks. John Yes that would be “E2” John but will need to be trimmed to avoid bottoming out. See the second link I posted above, we talk about sizing and I posted a size chart.

      Last Post by: Rob Schepis posted: 4 years ago

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Viewing 8 topics - 1 through 8 (of 8 total)