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Why Two Oil Filters?

Dan_Ashley

Dan_Ashley

New member
My 2012 RT has two oil filters. I am confident that BRP engineers put in the second one because it is needed. But why? No engine I have owned before has had more than one. So, why? Does anyone know why?
 
Assuming you have an SE...........

If so, there is a filter for the transmission, as well as the oil tank.
 
Just to be clear, the filter that is commonly called the transmission filter does not filter oil for the transmission. It is actually HCM (Hydraulic Control Module) filter. The HCM sucks oil directly out of the oil tank and the oil needs to be filtered before going to all the components of that system. This is the same for the engine. Two separate systems sharing the same oil.
 
Well, actually to be technical .. if you own a car they too have filters for the automatic transmission fluid; you just seldom if ever need to change it.

I guess the difference here is that on the bike they are using the same oil for both. I can only guess that the reason for the 2nd filter is to make sure tiny metal flecks stay out of the system.

EDIT: oops, yup billybovine is correct; that is for the HCM. That makes more sense. THANKS!
 
Three filters...!!

you have what is commonly refered to as the engine oil filter the transmission oil filter and the oil tank filter (screen) which needs cleaning less often. They want to make sure...!! :thumbup:
 
revjvegas said:
Well, actually to be technical .. if you own a car they too have filters for the automatic transmission fluid; you just seldom if ever need to change it.

I guess the difference here is that on the bike they are using the same oil for both. I can only guess that the reason for the 2nd filter is to make sure tiny metal flecks stay out of the system.

EDIT: oops, yup billybovine is correct; that is for the HCM. That makes more sense. THANKS!
Click to expand...
HCM. What's an HCM? I know it is the hydraulic control...but what does that do?
 
Dan_Ashley said:
HCM. What's an HCM? I know it is the hydraulic control...but what does that do?
Click to expand...

We call it a 'Transmission Filter' because it has to do with the electric shift component of the SE5 Spyder model. But it does not actually filter the oil going to the gears of your transmission. The Engine Oil Filter does this.

Your SE5 Spyder shifts by way of a hydraulic system which replaces the pressure on a shift lever from your left foot on the Manual SM5 versions.

Hydraulic pressure is used to make the up and down shifts (whether you let the Spyder decide when to shift or you use the paddle shifter on the handlebar). Hydralulic systems are very close tolerance and also have valving which need very clean oil to avoid wear and keep them functioning properly for a long time.

So, BRP provides a dedicated filter for this hydraulic pressure shifting system. It's a good idea.

The problem with the original OEM 'Transmission' filter was that, in some cases, this filter placed too much restriction on oil flow. A lack of oil flow reduced hydraulic pressure which in turn caused shifting problems in some Spyders. That is why BRP increased the size of this filter.

Clear as mud? Well, I have the amazing ability to make the simple seem very complex! :rolleyes:
 
Last edited:
BajaRon said:
We call it a 'Transmission Filter' because it has to do with the electric shift component of the SE5 Spyder model. But it does not actually filter the oil going to the gears of your transmission. The Engine Oil Filter does this.

Your SE5 Spyder shifts by way of a hydraulic system which replaces the pressure on a shift lever from your left foot on the Manual SM5 versions.

Hydraulic pressure is used to make the up and down shifts (whether you let the Spyder decide when to shift or you use the paddle shifter on the handlebar). Hydralulic systems are very close tolerance and also have valving which need very clean oil to avoid wear and keep them functioning properly for a long time.

So, BRP provides a dedicated filter for this hydraulic pressure shifting system. It's a good idea.

The problem with the original OEM 'Transmission' filter was that, in some cases, this filter placed too much restriction on oil flow. A lack of oil flow reduced hydraulic pressure which in turn caused shifting problems in some Spyders. That is why BRP increased the size of this filter.

Clear as mud? Well, I have the amazing ability to make the simple seem very complex! :rolleyes:
Click to expand...
Hey! Great! Thanks! Now I understand a bit better.
 
BajaRon said:
We call it a 'Transmission Filter' because it has to do with the electric shift component of the SE5 Spyder model. But it does not actually filter the oil going to the gears of your transmission. The Engine Oil Filter does this.

Your SE5 Spyder shifts by way of a hydraulic system which replaces the pressure on a shift lever from your left foot on the Manual SM5 versions.

Hydraulic pressure is used to make the up and down shifts (whether you let the Spyder decide when to shift or you use the paddle shifter on the handlebar). Hydralulic systems are very close tolerance and also have valving which need very clean oil to avoid wear and keep them functioning properly for a long time.

So, BRP provides a dedicated filter for this hydraulic pressure shifting system. It's a good idea.

The problem with the original OEM 'Transmission' filter was that, in some cases, this filter placed too much restriction on oil flow. A lack of oil flow reduced hydraulic pressure which in turn caused shifting problems in some Spyders. That is why BRP increased the size of this filter.

Clear as mud? Well, I have the amazing ability to make the simple seem very complex! :rolleyes:
Click to expand...


You know stuff. roflmao


.
 
Hey....don't feel bad....an oil change on my KTM dual sport bike *is* two separate oil filter elements and two oil filter screens that have to be pulled and cleaned....and it's an every 10 hours of use service interval.

Don't complain about Spidey....
 
Woodsrider said:
Hey....don't feel bad....an oil change on my KTM dual sport bike *is* two separate oil filter elements and two oil filter screens that have to be pulled and cleaned....and it's an every 10 hours of use service interval.

Don't complain about Spidey....
Click to expand...
every 10 hours? Seriously? That is like 750 miles or so!
 
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