Water Pump obsolescence - Page 6 - Road Glide Forums
Fluids and Lubricants discussion of all fluids and lubricants

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post #51 of 67 (permalink) Old 04-23-2019, 10:39 AM
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26600012 water pump

Is there a technical reason, other than "Made to fit", that a Bosch water/air coolant pump would not work in place of the stock HD pump? What is the current draw of the stock pump at 13.5v?
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post #52 of 67 (permalink) Old 08-07-2019, 05:50 AM
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Just breathing life into this thread to see if anyone has updates. Admittedly I don't have an M8, but I have a 2016 FLTRU. Last year my pump went out just outside of my warranty. I got the classic engine and temp lights approximately 7 minutes from my house. Since the costly repair I've put few miles on it. Just last week I was near the house and I got the dreaded engine and temp lights again! I did some troubleshooting and took it for a ride the next day. No lights! Anomaly or do I expect impending failure yet again. I'll tell you, the water pump and numerous recalls make me want to just get an air cooled Road Glide.


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post #53 of 67 (permalink) Old 08-07-2019, 07:01 AM Thread Starter
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Originally Posted by rmeav8r View Post
Just breathing life into this thread to see if anyone has updates. Admittedly I don't have an M8, but I have a 2016 FLTRU. Last year my pump went out just outside of my warranty. I got the classic engine and temp lights approximately 7 minutes from my house. Since the costly repair I've put few miles on it. Just last week I was near the house and I got the dreaded engine and temp lights again! I did some troubleshooting and took it for a ride the next day. No lights! Anomaly or do I expect impending failure let again. I'll tell you, the water pump and numerous recalls make me want to just get an air cooled Road Glide.
This time could be the thermostat starting to fail, it happened to me last summer just in the same way.
A few weeks ago had the pump failure, I installed an old type pump that I had “just in case” before the new M8 style pump was issued for the Rushmore’s.
The new M8 style pump installation get rid of the thermostat and seems to work fine solving the issue that the old system had, I’ve just ordered it and it will be part of my winter maintenance plan.
My suggestion is to switch to the new system (available on surdyke 26800107 - Harley-Davidson® Parts and Accessories ) and keep the bike
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post #54 of 67 (permalink) Old 08-21-2019, 10:30 AM
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Water Pump failure. 2015 Street Glide CVO.

My pump failed at 12,000 miles, on a trip 850 miles from home. Called several dealers no one had a new kit in stock. Spoke with a service manager, he told me to monitor my oil temp and stop riding if it got above 260 degrees. (Let it cool down) It was August and the outside air temp was 90 degrees, over three days I made it home with no problems. Only once going through northern Ohio did I need to stop and let the oil cool down. When in the mountains and the air temp was 70 degrees the oil temperature never went above 230 degrees. I was fully loaded with gear and passenger. So far no additional problems. The bike was out of warranty when the pump failed, I called HD service customer service they gave me a confirmation number, when all done it cost me a hundred dollars with the new updated kit installed by my local HD dealer. It my have not been the best solution but it worked.
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post #55 of 67 (permalink) Old 08-22-2019, 08:43 PM
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UPDATE: I hit the road for a day ride yesterday morning and encountered the check engine light and temp light again. I started to exit I-95 as I was near the Harley dealership. The lights then went out so I continued. Stopped at the first rest are on I-64 east. That's when I saw the two silver dollar-sized puddles of coolant. Got the bike to the dealership. Went by today and found out they are "scheduled " to look at the bike next Tuesday. Needless to say I'm not happy. August last year is when the water pump and thermostat were replaced. The bike also came out of the 10K about 10 days ago! I'm ready to punt this bike. I think the cooling system sucks. I'm calling the Service Manager tomorrow to find out why so long to check the bike out based on the history.


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post #56 of 67 (permalink) Old 08-23-2019, 08:49 AM
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One more case for the air cooled Harleys.
I will not be stranded due to a bad water pump - because I won't own one.
The Evolutions and Twin Cams are dirt cheap, can reasonably be hopped up and retain reliability.

This is just another Milwaukee nightmare.
Old bikes don't have oil transfer issues or water pumps.
I blame it on H1b Visas. They have engineers who did not grow up on motorcycles.
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post #57 of 67 (permalink) Old 08-23-2019, 09:26 AM
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I had one of these fail a couple years ago, did a bunch of research and then the computer i had it stored on died. The only part that I figured out that
was "built to fit" only Harley was the electrical connector, which should be easily adaptable.
Search "Bosch water pump" on Amazon or Google, find the Bosch part numbers, and hen google some more and you can find the blueprint
drawings to match one up to the Harley one in your hand.

One of the failure modes I've come across is that some of the antifreeze they're using has a tendency to turn to gell and goo up the
pump impeller so it won't turn, and since it's magnetic drive it is quite easily stopped, but at least it won't burn up the motor.

2015 RGU CVO........under continuous change......
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post #58 of 67 (permalink) Old 08-23-2019, 09:32 AM
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This year in Sturgis one of our bikes (2014 CVO) had a water pump go out. 850 bucks to fix at Black Hills HD.

I like my 2012 air cooled RGU


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post #59 of 67 (permalink) Old 08-23-2019, 11:11 AM
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If I had an early wet head scooter, I think I would swap out the water pump preemptively, rather than waiting for the original pump to fail.

The replacement is an improved pump and motor, as well as a simplified system.

Add to that that dealers don't want to stock the pump kits, and it becomes a real issue if it fails out on the road in hot weather.

Cant say as I blame the dealers for not wanting to stock them. They tie up hundreds of dollars in putting a kit on the shelf and then when they sell it the MoCo doesn't pay them enough on the claim to make it worth while.


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post #60 of 67 (permalink) Old 08-23-2019, 07:35 PM
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Unfortunately this may be my second failure. Talked to the Service Manager today. He "thinks" the leak may have been from overfilling the system during the 10K I had done a couple weeks back. Huh? I'm punting this bike. Going back to air cooled. Gotta say, Polaris makes a great Indian bike. The dealer network, or lack thereof, is what concerns me.
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