HOW TO POTTY TRAIN YOUR CX500(fix leaky water pumps)

[mrbswing]

WHAT? yes potty train your CX500, it seems even when you replace all the water pump seals and can't find any reason why they still leak here is my solution to keeping them from going potty all over the road or garage. You will need a drill, drill bits a piece of hose a tap,a die,a small piece of metal tubeing[img][/img]
so let it pee because all you are doing is recirculating the antifreeze NO HARM NO FOUL
That is how you potty train your CX500 orGL650..till then 8)

[redryder]

Wow, thats a pretty darn creative work-around..

I've been a member on a CX board (Chopper Charles) for some time and have never seen this solution.

Did you use a new copper (crush) washer under the domed nut? There is a 10mm thrust washer that needs to be in there too.. There is plenty of discussion on how to replace the mech seal without dropping the engine if you care to give it another go?

From what I've read its not unusual to weep a small amount after replacing the mech seal. How many miles have you put on it since the seal install?

[mrbswing]

Wow, thats a pretty darn creative work-around..

I've been a member on a CX board (Chopper Charles) for some time and have never seen this solution.

Did you use a new copper (crush) washer under the domed nut? There is a 10mm thrust washer that needs to be in there too.. There is plenty of discussion on how to replace the mech seal without dropping the engine if you care to give it another go?

From what I've read its not unusual to weep a small amount after replacing the mech seal. How many miles have you put on it since the seal install?

about an hour! there was only ONE copper washer period! till then 8)

[redryder]

Sounds like you omitted the 10mm steel thrust washer. If I may quote the Rob Davis site (http://www.elsham.pwp.blueyonder.co.uk/ ... ical_seal/):

"Just inside the flat face of the impeller is a thicker, steel thrust washer, don't lose this as it's important. It sits right inside the rubber boot which holds the ceramic seal."

"The ribbed thrust washer is VITAL and the most important washer on the whole bike! So don't think you can get away with omitting it, if you try this, or forget to fit it, the mechanical seal will leak."

If I remember right, the 10mm thrust washer is NLA. This could be a quick (and correct) fix for weeping issue if you can find one.. Good luck to you.

[rcmatt007]

mine did that and I fought with it for years.... it was the mechanical seal.... had to pull the engine and the back case off to replace it, and ruined one learning houw to replace it... seems you need to put a bolt through and then use the bolt action to push it into the slot

[mrbswing]

Sounds like you omitted the 10mm steel thrust washer. If I may quote the Rob Davis site (http://www.elsham.pwp.blueyonder.co.uk/ ... ical_seal/):

"Just inside the flat face of the impeller is a thicker, steel thrust washer, don't lose this as it's important. It sits right inside the rubber boot which holds the ceramic seal."

"The ribbed thrust washer is VITAL and the most important washer on the whole bike! So don't think you can get away with omitting it, if you try this, or forget to fit it, the mechanical seal will leak."

If I remember right, the 10mm thrust washer is NLA. This could be a quick (and correct) fix for weeping issue if you can find one.. Good luck to you.

I replaced exactly what I took out! so maybe it was gone from previuos owner? till then 8)

[mrbswing]

mine did that and I fought with it for years.... it was the mechanical seal.... had to pull the engine and the back case off to replace it, and ruined one learning houw to replace it... seems you need to put a bolt through and then use the bolt action to push it into the slot

replaced it ALL till then 8)

[redryder]

Sounds like you omitted the 10mm steel thrust washer. If I may quote the Rob Davis site (http://www.elsham.pwp.blueyonder.co.uk/ ... ical_seal/):

"Just inside the flat face of the impeller is a thicker, steel thrust washer, don't lose this as it's important. It sits right inside the rubber boot which holds the ceramic seal."

"The ribbed thrust washer is VITAL and the most important washer on the whole bike! So don't think you can get away with omitting it, if you try this, or forget to fit it, the mechanical seal will leak."

If I remember right, the 10mm thrust washer is NLA. This could be a quick (and correct) fix for weeping issue if you can find one.. Good luck to you.

I replaced exactly what I took out! so maybe it was gone from previuos owner? till then 8)

Has it leaked ever since you got it? If yes, I'd say, with a very high degree of certainty, that the 10mm thrust washer is missing.. This can be checked without taking the engine out... http://choppercharles.com/cs/forums/73989/ShowPost.aspx

Good luck..

[mrbswing]

Sounds like you omitted the 10mm steel thrust washer. If I may quote the Rob Davis site (http://www.elsham.pwp.blueyonder.co.uk/ ... ical_seal/):

"Just inside the flat face of the impeller is a thicker, steel thrust washer, don't lose this as it's important. It sits right inside the rubber boot which holds the ceramic seal."

"The ribbed thrust washer is VITAL and the most important washer on the whole bike! So don't think you can get away with omitting it, if you try this, or forget to fit it, the mechanical seal will leak."

If I remember right, the 10mm thrust washer is NLA. This could be a quick (and correct) fix for weeping issue if you can find one.. Good luck to you.

I replaced exactly what I took out! so maybe it was gone from previuos owner? till then 8)

Has it leaked ever since you got it? If yes, I'd say, with a very high degree of certainty, that the 10mm thrust washer is missing.. This can be checked without taking the engine out... http://choppercharles.com/cs/forums/73989/ShowPost.aspx

Good luck..

I didn't see any pics of the washer u r talking about?

[redryder]

I replaced exactly what I took out! so maybe it was gone from previuos owner? till then 8)

Has it leaked ever since you got it? If yes, I'd say, with a very high degree of certainty, that the 10mm thrust washer is missing.. This can be checked without taking the engine out... http://choppercharles.com/cs/forums/73989/ShowPost.aspx

Good luck..

I didn't see any pics of the washer u r talking about?

The last link I sent was how to replace the mech seal with the engine in (it reuses the pressed in cup seal).

The first link I referenced (now bolded in the quote above) has a very detailed, engine out procedure. It will show you the 10mm washer.

[mrbswing]

Has it leaked ever since you got it? If yes, I'd say, with a very high degree of certainty, that the 10mm thrust washer is missing.. This can be checked without taking the engine out... http://choppercharles.com/cs/forums/73989/ShowPost.aspx

Good luck..

I didn't see any pics of the washer u r talking about?

The last link I sent was how to replace the mech seal with the engine in (it reuses the pressed in cup seal).

The first link I referenced (now bolded in the quote above) has a very detailed, engine out procedure. It will show you the 10mm washer.

I am still confused here? is it the second one in the pic going from left to right?

[mrbswing]

I didn't see any pics of the washer u r talking about?

The last link I sent was how to replace the mech seal with the engine in (it reuses the pressed in cup seal).

The first link I referenced (now bolded in the quote above) has a very detailed, engine out procedure. It will show you the 10mm washer.

I am still confused here? is it the second one in the pic going from left to right?

whats involved in checking to see if it is still there? I have the carbs off now so the pump face is easy to get at?

[redryder]

Remove the water pump cover - may want to drain some coolant first.

Remove the dome nut and copper washer.

Remove the impeller (with rubber and ceramic seal pressed into backside of it)

Then there should be the steel thrust washer.

Installation is reversed.. Use a new copper washer (cheap insurance) and torque the domed nut to 6½ ft lbs.

[mrbswing]

Remove the water pump cover - may want to drain some coolant first.

Remove the dome nut and copper washer.

Remove the impeller (with rubber and ceramic seal pressed into backside of it)

Then there should be the steel thrust washer.

Installation is reversed.. Use a new copper washer (cheap insurance) and torque the domed nut to 6½ ft lbs.

so its behind the ceramic seal? or behind the impeller?

I took it apart and happened to have another one here and guess what? it was gone so I took the one that had it and will know later if that took care of the problem? I could see how that would be missed in replacing the seals thanks till then 8)

[redryder]

Remove the water pump cover - may want to drain some coolant first.

Remove the dome nut and copper washer.

Remove the impeller (with rubber and ceramic seal pressed into backside of it)

Then there should be the steel thrust washer.

Installation is reversed.. Use a new copper washer (cheap insurance) and torque the domed nut to 6½ ft lbs.

so its behind the ceramic seal? or behind the impeller?

I took it apart and happened to have another one here and guess what? it was gone so I took the one that had it and will know later if that took care of the problem? I could see how that would be missed in replacing the seals thanks till then 8)

When reassembling, the steel thrust washer goes on first, then the impeller with ceramic seal/rubber seat installed in it. The thrust washer should come to rest on the metal back of the impeller (It will go through the ceramic seal). Finally the copper washer and dome nut.. Good luck.. Hopefully your CX will outgrown the diaper stage and make it to "big boy pants".

You're absolutely right.. The thrust washer is very easy to forget/leave out. I used the Rob Davis write up when I did my seal.. He makes a big deal of not forgetting it. I had zero water leak out after replacing the seal. From what I've read, its not uncommon to leak a little before finally sealing 100% after riding it for a while.