Jackshaft Bearing R & R

[lakercr]

We had a customer's secondary clutch do something bad to the jackshaft bearing grease seal on an '04 RX yesterday. Bearing looked OK, but it still needed to be replaced.

First pic is the bearing (PTO side) after washing with Brake cleaner. Remove the C-clip in the picture and then start on the chaincase side.

 

[lakercr]

Remove the (2) 12mm bolts that hold the brake caliper in to the chaincase. Lay the caliper on top of the airbox (intercooler in this case) and then move on to the emergency brake assembly. Remove the two Allen head bolts as pictured and place next to the caliper.

 

[lakercr]

The brake rotor is held on by a C clip. remove the clip and keyway from the shaft.

 

[lakercr]

The collar in the above picture is held in place by a #25 Torx head set screw. back the screw out a few turns and then pull the collar off of the shaft. if your sled has reverse, disconnect the shift lever from the chaincase and remove the 10mm bolt from the chaincase cover.

 

[lakercr]

Remove the cover from the chaincase.

 

[lakercr]

Remove the chain tensioner, top/bottom gears and chain. You're done on this side for now.

 

[lakercr]

You'll need some kind of tool to hold the locking collar in place when starting to remove the bearing. Pictured is an old Ohlins shock wrench which works well. Reach in behind the bearing and hold the collar in place with the tool. Put the secondary back on the shaft backwards, and rotate counter-clockwise.

 

[lakercr]

A few good taps with a rubber mallet (or hammer and block of wood) should pop the shaft out of the chaincase.

 

[lakercr]

Use the shaft as a 'ram' type puller to remove the PTO side bearing. 3-4 good tugs on the shaft and the bearing should pop out. You can heat the bearing seat if neccessary to make it a little easier.

 

[lakercr]

Jackshaft on the bench with the nut & collar as they come out of the sled. Bulkhead waiting on new bearing...

 

[lakercr]

That's as far as this can go until I pick up a new bearing tomorrow...

 

[Indy]

Nice job, thanks.

 

[MEAT]

Wasn't there a recall on the 03 and 04 jackshaft bearings ?

 

[Fullback]

Can these pictures and thread be included in the Tech section?
Thanks, Bob

 

[lakercr]

Bearing came in yesterday and I finished up the install.

Pics of the collar, nut and new bearing on the shaft in the correct orientation. The bearing is tapered (note how the collar only fits flush in one direction). Double check that you have the bearing facing the right way before installing).