Water Pump obsolescence - Page 2 - Road Glide Forums
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post #11 of 51 (permalink) Old 07-05-2018, 08:54 AM
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Originally Posted by Beaver View Post
If your bike is liquid cooled, be aware you might face availability problems on your trips

The unfamous and unreliable Coolant Pump 26600012 is marked as “obsolete” in the HD parts database, the availability at dealership is very scarse and no alternatives are available at this moment on the market.

Despite it looks like many automotive liquid pumps like the Bosch ones, in reality it is “built to fit” only HD, so no commercial replacement is available at this time.

In preparation for my summer road trip i asked yesterday my friend to buy one in the Philly area, the dealer had one, THE LAST, and told my friend he was lucky because there are few available around and no immediate alternative from HD is foreseen at this moment. The pump cost was 459$

The risk is that if it fail on a road trip and no pumps are around your area to face the following choices:
  1. being stranded for days waiting for a spare to arrive
  2. Stop the trip and tow the bike home
  3. Rent a car or bike to carry on the trip and recover the bike later on
  4. Continuing riding with no pump risking of damaging the heads (water cool down mostly the exhaust valves)

Any of them is an expensive option......

In light of the fact that the pump soon or later will fail, I decided to invest in peace of mind and I will take this spare pump in the bag just in case. It is possible that my’19 will present a different pump that could be retrofitted in the old models, but it is just my assumption. In the meanwhile, the riding season is now, I’m going to North Cape - Norway and I do not want to remain stranded up there for an obsolete part.

Just to bring the thing to your attention for the proper considerations if you are planning a big summer trip


Hi if something happen when you ride in Sweden i will help you at the best i can


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post #12 of 51 (permalink) Old 07-05-2018, 09:34 AM Thread Starter
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Hi if something happen when you ride in Sweden i will help you at the best i can


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Thanks for offering, I will keep it in mind
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post #13 of 51 (permalink) Old 07-09-2018, 07:15 AM
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Following now. 60* morning and on the way to work this morning the engine and temp lights came on. Data on the powervision tuner show high engine temps but low coolant temp.

2016 RGU, 14,900 miles. 6 months out of warranty.

Can’t attach picture with the current forum troubles, but it shows 266* engine temp and 59* coolant temp.

2016 Cosmic Blue Pearl RGU
2002 883R Sportster
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post #14 of 51 (permalink) Old 07-09-2018, 07:27 AM
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Following now. 60* morning and on the way to work this morning the engine and temp lights came on. Data on the powervision tuner show high engine temps but low coolant temp.



2016 RGU, 14,900 miles. 6 months out of warranty.



Can’t attach picture with the current forum troubles, but it shows 266* engine temp and 59* coolant temp.


It must be the pump not working i think


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post #15 of 51 (permalink) Old 07-09-2018, 07:29 AM Thread Starter
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Originally Posted by Kennyd View Post
Following now. 60* morning and on the way to work this morning the engine and temp lights came on. Data on the powervision tuner show high engine temps but low coolant temp.

2016 RGU, 14,900 miles. 6 months out of warranty.

Can’t attach picture with the current forum troubles, but it shows 266* engine temp and 59* coolant temp.
And dealers are closed on Monday......

Sorry to hear that, I would suggest to call the dealers in your area for parts availability before to decide who will make the repair. Thermostat could be an issue as well in your case, but that is not impacted by availability issues for what I know.

Please keep this updated, I would be more than happy if I’m wrong with this obsolescence sh*t
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Last edited by Beaver; 07-09-2018 at 07:35 AM.
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post #16 of 51 (permalink) Old 07-09-2018, 12:50 PM
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And dealers are closed on Monday......

Sorry to hear that, I would suggest to call the dealers in your area for parts availability before to decide who will make the repair. Thermostat could be an issue as well in your case, but that is not impacted by availability issues for what I know.

Please keep this updated, I would be more than happy if I’m wrong with this obsolescence sh*t
Update: Only dealer around that has one is up in Mechanicsburg PA (1.5 hours away) and they want over $100 more ($433) than online prices I’ve seen, I love supporting the local guys but damn Sam. The guy at Gettysburg HD told me the same, that is was showing obsolete on HDNet with nothing to supersede it.

My first Harley now is a official garage queen due to this crap, at least I still have my sporty to run around on.

2016 Cosmic Blue Pearl RGU
2002 883R Sportster
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post #17 of 51 (permalink) Old 07-09-2018, 02:24 PM Thread Starter
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Update: Only dealer around that has one is up in Mechanicsburg PA (1.5 hours away) and they want over $100 more ($433) than online prices I’ve seen, I love supporting the local guys but damn Sam. The guy at Gettysburg HD told me the same, that is was showing obsolete on HDNet with nothing to supersede it.

My first Harley now is a official garage queen due to this crap, at least I still have my sporty to run around on.
my friend got the one for me in the Philly area for $459, the price asked to you is in line with the dealer's official price I presume.....
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post #18 of 51 (permalink) Old 07-09-2018, 03:42 PM
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my friend got the one for me in the Philly area for $459, the price asked to you is in line with the dealer's official price I presume.....
Yup, I read that above.

I'm having a real issue however paying $433 for an already obsoleted part that they know has issues. I think I'm going to take this apart and see what I can do, I'm fairly mechanically and electrically gifted, so what do I have to loose right? I read of one guy that found gelled coolant around the pump blocking everything up, or there is a small chance it's a thermostat.

Anyway, I'll keep this updated, unfortunately not with pics since the forum is still F'ed

Hoping for an updated part soon! Does the M8 use the same pump? I haven't had a chance to look it up in the online parts system yet...

2016 Cosmic Blue Pearl RGU
2002 883R Sportster
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post #19 of 51 (permalink) Old 07-09-2018, 04:10 PM Thread Starter
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Yup, I read that above.

I'm having a real issue however paying $433 for an already obsoleted part that they know has issues. I think I'm going to take this apart and see what I can do, I'm fairly mechanically and electrically gifted, so what do I have to loose right? I read of one guy that found gelled coolant around the pump blocking everything up, or there is a small chance it's a thermostat.

Anyway, I'll keep this updated, unfortunately not with pics since the forum is still F'ed

Hoping for an updated part soon! Does the M8 use the same pump? I haven't had a chance to look it up in the online parts system yet...
I was thinking it was the same and that the only difference was the absence of the thermostat and the bypass, because on M8 the pump is managed by the ECU, but then I found it s a different one and particularly "the pump was upgraded and is now a variable speed, electronic pump controlled by the ECM. It does not use a thermostat."

article explaining it here:2017 Milwaukee Eight Liquid Cooling and Oiling System Review | The Cycle Blog
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post #20 of 51 (permalink) Old 07-09-2018, 07:55 PM
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Update:
Well I may have fixed the pump tonight

I determined the pump was indeed NOT running after taking the front protective cover off (the bike that is) and forcing the fans and pump on by rolling on the throttle. Verified 12 volts at the pump connector next so I removed the pump to inspect. After finally getting the rear cover open (more on that later in a detailed post) , I found a open connection that was spot welded/resistance welded and probably vibrated apart. after soldering it back together I tested it on the bike and the pump ran! I am going to resolder all similar the connections (about 4 others), then do finally assembly, fill/purge the system, and give it a good test ride before I call it "fixed", but I think I'm there.

I will do a good detailed thread on opening the motor and other key points later, I have pictures too.
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2016 Cosmic Blue Pearl RGU
2002 883R Sportster
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