6V92 Water Pump R&R, Model # 23506623 - Luxury Coach Lifestyles
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Old 02-20-2012, 05:38 PM   #1
chockwald
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Default 6V92 Water Pump R&R, Model # 23506623

Had barely arrived in Tyler, TX at the home of my sister-in-law when the engine water pump had a massive internal seal failure and unloaded a few gallons of coolant on the ground....guess I couldn't have asked for a better "bad" situation....at least I wasn't somewhere in West Texas a 100 miles from anywhere when this happened. With this site's help I have located, and have ordered the replacement remanufactured water pump through Ebay, and should have in my hands by Thursday at the latest. Has anyone here had this specific pump replaced, or done the R&R yourself? I can see 2 of the 3 bolts that fasten the pump to the engine. Looks like I'll need to remove one of the fuel filters to get at the pump with clear access.....as you all know there are two filters....on my Newell there is one filter which has a mounting bracket bolted to the water pump....the other filter is remotely located on the forward wall of the driver side engine compartment. Anyway, looking for any pointers, or help. I have thought about calling in a mobile service via Good Sam ERS.....I am on the road, and I cannot move, so I believe I could get the labor covered by Good Sam ERS. There are three different water pumps that are used with 6V92's.....walking, standing and running. I have the running, and fortunately it is the easiest to find. The one my brother-in-law has on his Blue Bird is very hard to find, and cost him $500. The one I need can be had for $90 plus shipping and tax.....not too bad.
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Old 02-20-2012, 09:09 PM   #2
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I did the R&R of the coolant pump on my 6V92 a couple years ago. I followed the DD manual. The manual shows three bolts holding the assembly to the engine, two long ones and one short one. the locations of the different lengths are obvious. I do not recall the details of removal, I just moved stuff as needed.

The installation is as follows:
1) affix seal ring to pump body.
2) Mount pump so gear meshes with gear in engine and dowel, install bolts lightly.
3) Replace hoses and clamps, tighten after next steps
4) check gear backlash (setting is 1-6 thousandths). The manual isn't clear where to measure the backlash so I used a dial at the outer edges of the impeller.
5) adjust gear backlash by rotating pump around dowel, then tighten bolts
6) install pump cover
7) tighten hose clamps
8) replace items taken loose and refill radiator

The job wasn't hard except for finding a way to collect all the coolant for reuse, ended up with several 5 gallon plastic water carriers.

hopefully this helps
Jon
77 Newell, Civic toad
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Old 02-20-2012, 10:37 PM   #3
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Jon, thank you very much for the detailed description of your R&R. I count 3 bolts too.....one is not directly visible, but I know where it should be. I'm sure it will be easier to get at it when I remove the fuel filter and bracket. Will keep you posted on my progress!
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Old 02-21-2012, 02:51 AM   #4
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If the Bolts go into a Water Jacket, it is best to Seal them with something like Permatex or Silicone. Personally I like Permatex #2.
Wet the O-Ring with a little Engine Oil when assembling, you could use a little Lithium Grease if the O-Ring wont stay in place.
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Old 02-21-2012, 04:59 PM   #5
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I don't recall the bolts as going into a wet section of the block and I don't recall putting any sealant on them. You will be able to tell by looking at the condition of the threaded end.

I think I did move the second fuel filter out of the way.

Jon
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Old 02-21-2012, 05:14 PM   #6
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There are no bolts going into a wet section.
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Old 02-21-2012, 05:44 PM   #7
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I haven't done this job yet so that is good news about the bolts not going into a water jacket.
Remember the trick about a little bit of grease to hold the O-Ring in place. It makes it much easier to not have to concern yourself with that or to get everything back together and then have a leak and find the O-Ring on the ground or.....
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1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it!
http://newellshowcase.com/thumbnails.php?album=214
2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next
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Old 02-21-2012, 06:19 PM   #8
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Since I am going to be replacing most of the coolant, I am thinking of just draining out what is left, and putting in a brand new batch. What is the best coolant for a 2 stroke to mix 50/50 with distilled water? I'm thinking I'll need at least 10 gallons of coolant and 10 gallons of distilled water for a total of 20 gallons, right?
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http://whatnewell.blogspot.com
1982 Newell 36 DD 6V92 TA
2002 Thunderbird Retro
Cannondale Tandem
Cannondale Bad Boy
Cannondale F600
2 Terra Trike Tadpoles
Intense 5.5 mountain bike
ALBUM: http://newellshowcase.com/thumbnails.php?album=213
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Old 02-21-2012, 06:39 PM   #9
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Here you go;
http://www.newellclassic.com/forum/m...l-engines.html

This is the Bulletin on Coolants and look at page 4 for the Chart on 92 Series Diesel Engines.

And be sure to use Distilled Water since that removes the unwanted Minerals. Page 11 states either Distilled or De-Ionized but I still prefer Distilled.

From page 6;
For best overall performance, a coolant consisting of 50% concentration of antifreeze (50% antifreeze, 50% water) is recommended.
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Steve & Tricia
1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it!
http://newellshowcase.com/thumbnails.php?album=214
2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next
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Old 02-21-2012, 07:04 PM   #10
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Power Cool is fairly inexpensive. The last time I bought some it was under $10 a gal-that's less than I pay for my car's coolant. The Detroit Diesel part number for the concentrate(you mix) is 23512138. They also sell premixed. My local Freightliner dealer sells it.
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