2 Sealant Sat Sep 25, 2021 6:02 pm
daveyson
Life time member
When you remove the pump, I think you'll see an O-ring there, in a groove on the engine face. You can see it on the other drawing above it.
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11/1985 BMW K100RT (late model) Vin. 0090567
~120,000 km
3 Re: Apply sealant to the pump mating surfaces Sat Sep 25, 2021 7:36 pm
bmwk100rs
Silver member
Sorry daveyson, but I'm not sure I follow. Do I also need to put sealant on mating surface highlighted with the purple arrows?daveyson wrote:When you remove the pump, I think you'll see an O-ring there, in a groove on the engine face. You can see it on the other drawing above it.
4 Sealant Sat Sep 25, 2021 8:05 pm
daveyson
Life time member
No you don't need sealant there, the O - ring will seal the joint there. You can buy one before you start the job and just replace the O - ring, even if it looks good.
It will make a lot more sense after you remove it and can take a look at it.
It will make a lot more sense after you remove it and can take a look at it.
__________________________________________________
11/1985 BMW K100RT (late model) Vin. 0090567
~120,000 km
5 Re: Apply sealant to the pump mating surfaces Sat Sep 25, 2021 9:02 pm
bmwk100rs
Silver member
Gotcha, thanks daveyson for the clarification. I have indeed a brand new O-ring to place there. Thanks again, cheers!daveyson wrote:No you don't need sealant there, the O - ring will seal the joint there.
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