Excellent job on the entire water pump rebuild. The black o ring at 1:17 attached to the main side case is what leaks. Its a closed system. If the main propeller seal was leaking you would be getting oil contamination or vise versa.
Awesome video man made this extreamly easy for me to just watch this and not even have to look at the manual. Nice shop and tools I like how particular you are!
@@nickvandernet it's funny you ask because I was just thinking yesterday about redoing this video without the time lapse. I do have a written tutorial -- see the link in the description
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😧 😨 m7mad?! bysali7lak chagle w bykhriblak chagle aham. rja3t fikayta w ghayaret l gasket mn ba3d ma khalast l video 😁 I'll come help you with your DRZ bokra bas tjiba iza n2llah rad
Idk if this is too old to ask a question but do I need to remove the oil seal behind the second bearing and did I see it wrong or did you only re install the most outward bearing?
The kit comes with two oil seals. You only need to use one of them. The reason they include two oil seals is because some models have a smaller seal and others have a slightly larger seal.
I ordered a pump rebuild it - Can you use a press to push the bearings out from the other side? Or do you need to use the blind hole bearing pullers? Also where did you find the torque settings for the bolts?
You need a bearing puller because the mechanical seal and oil seal block access to the bearings from the other side. I don't think the side cover bolts have a torque setting, but I always use 7 ft/lb. You can download the service manual here: www.dropbox.com/s/enz1h5nuzuwewzb/DRZ400%20Factory%20Service%20Manual-1.pdf?dl=0
@@Booki89 no, once you see it you'll understand why that wont work. You might be able to heat the assembly in an oven and hope it will expand enough for the bearings to fall out but there's guarantee that will work. If you do your own bike work a bearing puller will come in handy for many more jobs.
Can this be a source of coolant in the oil, have already checked welch plugs and are good, but I am mixing fluids and it is driving me nutz, bike runs tits otherwise.
If both seals have gone bad and the impeller shaft is worn I think yes that could be the problem. But you would also see coolant and oil leaking from underneath the water pump. If you dont then it may be from a bad gasket.
Yes it matters, you need to have the open side of the seal facing the bearings. See me write-up here for a better explanation: thumpertalk.com/forums/topic/1355345-drz400-water-pump-rebuild-tutorial-video-pics
@@madmarc also Im going replace the impeller. The shaft has two grooves made by the oil seal. I think even I replace seals it might start leak again soon.
Dry it and take it on a couple more rides, and make sure that the coolant drain plug is tight, then check again. I thought mine was leaking too after i fixed it but the drain plug was not tight enough.
@@madmarc ok I'll do that. Thanks for quick response .If it'll keep seeping I'll order rebuild kit through the dealer. Because the rebuild kit I have installed is aftermarket. Reviews were good though the name is hot rod.
@@madmarc hello so finally weather was nice I took my bike to ride and it was no leaks when I was on dunes, after I returned home and motor cool down I noticed it has a few drops of coolant, is it normal? Seems when motor hot when it cooles down it leaks a little bit🤷♂️
@@vb5037 Hmmm, i haven't had any drops on mine, it's been totally sealed, but I also havent ridden it in hot weather. I guess summer will be the test for me. Is it at least better than it was before, or it's leaking the same amount? If it's just a couple drops it's probably fine for now. Just keep an eye on the coolant level in your radiators.
When you find traces of oil and/or coolant. For example: cdn.thumpertalk.com/uploads/monthly_2020_05/IMG_20200430_190327.jpg.c026a98c4682b75ce05259f3f611bb9d.jpg
If your impeller shaft is worn than you'd need to replace it, but if it's just the seals this fix works fine. It's been almost a year and not a drop of oil or coolant has made its way through.
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Excellent job on the entire water pump rebuild. The black o ring at 1:17 attached to the main side case is what leaks. Its a closed system. If the main propeller seal was leaking you would be getting oil contamination or vise versa.
Awesome video man made this extreamly easy for me to just watch this and not even have to look at the manual. Nice shop and tools I like how particular you are!
Thank you Adam!
I know I always say this, but you should have way more subs. Awesome video, informative, concise, and entertaining.
Thank you peter I always appreciate your comments! my subs may not number many but they are good loyal people!
Fantastic! Loved the pacing of this. I don't know how your bike and parts are so clean haha.
Thank you man, I appreciate it!
Outstanding work young man 👍
Great work ethic .
Thank you, Herbert!
Great work!
This is beautiful, but do you have one at regular speed with tutorial?
@@nickvandernet it's funny you ask because I was just thinking yesterday about redoing this video without the time lapse. I do have a written tutorial -- see the link in the description
Bro lvideos taba3ak bi jibo cheghel la mhamad la2an ktir bi bayen sa3eb ljob 🤣
W bfteker nsit tghayer gasket lal debreyaj
Hala2 bekteblak bl english osas mni7a bs bbahdel bl lebnene
Awesome video man will go through it again when i change my water pump in my DRZ 400 li ma 3ende yeha aslan 👍
😧 😨 m7mad?! bysali7lak chagle w bykhriblak chagle aham.
rja3t fikayta w ghayaret l gasket mn ba3d ma khalast l video 😁
I'll come help you with your DRZ bokra bas tjiba iza n2llah rad
Rock and roll vid
Idk if this is too old to ask a question but do I need to remove the oil seal behind the second bearing and did I see it wrong or did you only re install the most outward bearing?
You should replace all the seals and bearings. I replaced them all in this video
did you use lock tight on any of the side bolts, and do you know the torque specks. if that even matters.
No loctite needed. I torqued them down I think to 84 inch pounds.
Where did you place the second oil seal? I see you placed the first behind bearings. But didn’t see where you installed the second.
The kit comes with two oil seals. You only need to use one of them. The reason they include two oil seals is because some models have a smaller seal and others have a slightly larger seal.
@@madmarc thanks! Great video also thanks for taking the time to move camera to catch every angle.
@@kbagz92 Sure Bagwell, good luck on your repair! You can see the link in the description for a step-by-step writeup on the job.
What’s the torque for the crankcase cover bolts ?
They don't specify torque in the service manual. But I tighten them at 7 ft/lb (84 in lb).
Thanks
I ordered a pump rebuild it - Can you use a press to push the bearings out from the other side? Or do you need to use the blind hole bearing pullers?
Also where did you find the torque settings for the bolts?
You need a bearing puller because the mechanical seal and oil seal block access to the bearings from the other side.
I don't think the side cover bolts have a torque setting, but I always use 7 ft/lb.
You can download the service manual here: www.dropbox.com/s/enz1h5nuzuwewzb/DRZ400%20Factory%20Service%20Manual-1.pdf?dl=0
I have a write up here: thumpertalk.com/forums/topic/1355345-drz400-water-pump-rebuild-tutorial-video-pics
@@madmarc could you not just ram the press through the seal and push the bearings out?
@@Booki89 no, once you see it you'll understand why that wont work. You might be able to heat the assembly in an oven and hope it will expand enough for the bearings to fall out but there's guarantee that will work. If you do your own bike work a bearing puller will come in handy for many more jobs.
Can this be a source of coolant in the oil, have already checked welch plugs and are good, but I am mixing fluids and it is driving me nutz, bike runs tits otherwise.
If both seals have gone bad and the impeller shaft is worn I think yes that could be the problem. But you would also see coolant and oil leaking from underneath the water pump. If you dont then it may be from a bad gasket.
Does it matter how to install oil seal? I couldn't see on video the seal between bearings and mechanical seal was installed.
Yes it matters, you need to have the open side of the seal facing the bearings. See me write-up here for a better explanation: thumpertalk.com/forums/topic/1355345-drz400-water-pump-rebuild-tutorial-video-pics
@@madmarc thanks for quick response👍
@@vb5037 sure man good luck!
@@madmarc also Im going replace the impeller. The shaft has two grooves made by the oil seal. I think even I replace seals it might start leak again soon.
@@vb5037 O bummer. If you can, send a link to a picture, or post one on thumpertalk.
My coolant still leaks a little bit thru the weep hole after I replaced all seals even new impeller shaft. ☹
Dry it and take it on a couple more rides, and make sure that the coolant drain plug is tight, then check again.
I thought mine was leaking too after i fixed it but the drain plug was not tight enough.
@@madmarc ok I'll do that. Thanks for quick response .If it'll keep seeping I'll order rebuild kit through the dealer. Because the rebuild kit I have installed is aftermarket. Reviews were good though the name is hot rod.
I hope it works out!
@@madmarc hello so finally weather was nice I took my bike to ride and it was no leaks when I was on dunes, after I returned home and motor cool down I noticed it has a few drops of coolant, is it normal? Seems when motor hot when it cooles down it leaks a little bit🤷♂️
@@vb5037 Hmmm, i haven't had any drops on mine, it's been totally sealed, but I also havent ridden it in hot weather. I guess summer will be the test for me.
Is it at least better than it was before, or it's leaking the same amount? If it's just a couple drops it's probably fine for now. Just keep an eye on the coolant level in your radiators.
How do you know when the water pump is due for a rebuild?
When you find traces of oil and/or coolant. For example: cdn.thumpertalk.com/uploads/monthly_2020_05/IMG_20200430_190327.jpg.c026a98c4682b75ce05259f3f611bb9d.jpg
@@madmarc Awesome, thanks
Don't mess around like this; just buy a new waterpump and fit it.
If your impeller shaft is worn than you'd need to replace it, but if it's just the seals this fix works fine. It's been almost a year and not a drop of oil or coolant has made its way through.
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