Swingarm

SAFETY FIRST: Protective gloves and eyewear are recommended at this point.

Removal

Support the vehicle with a suitable stand or jack so that the rear wheels are off the ground.

Remove the rear wheels. See the Wheels and Hubs topic for more information.

Remove the rear axle. See the Rear Axle topic for more information.

Remove the rear shock absorber. See the Rear Shock Absorber topic for more information.

Remove the rear final gear case. See the Final Gear Case topic for more information.

Move the swingarm up and down and side to side and check for abnormal friction, side play, and noise. If the swingarm fails to move smoothly there may be a problem with the bearings.

Loosen the rear propeller shaft boot clamp with a Phillips Head Screwdriver. Slide the clamp off the boot.

Loosen the left swingarm pivot locknut with a 30 mm socket.

Remove the left swingarm pivot with a 12 mm Allen.

Support the swingarm and remove the right swingarm pivot with a 30 mm socket.

Remove the swingarm from the frame.

Disassembly

Remove the rear propeller shaft from the swingarm.

Clean away the old grease from the rear propeller shaft splines. Inspect the splines of the rear propeller shaft for damage and wear. Check the movement of the U-joint. If the U-joint is rough or has excessive play the rear propeller shaft must be replaced as a whole.

Each side of the swingarm has a collar, O-ring, oil seal, bearing, and bearing outer race. Remove the collar and the O-ring.

Remove the oil seal and the bearing. Clean the bearings with a high flash point solvent to remove the old grease. Allow the bearings to air dry. Check the bearings for damage and wear. Replace both bearings as a set if one is damage.

Inspect the bearing outer races for signs of wear or damage. Replace the outer races if the bearings are replaced.

To remove the wet brake components see the Internal Wet Brake topic.

Inspect the rear propeller shaft bearing by turning it with a finger. If the bearing is rough or has excessive play in the swingarm it will need to be replaced.

Remove the rear propeller shaft bearing with a suitable bearing puller.

Special Tool – Oil Seal and Bearing Remover: 57001-1058

Remove the rear propeller shaft bearing and brake oil seals as needed.

Installation

Install the rear propeller shaft bearing oil seal so that is markings face towards the front of the vehicle. Drive the oil seal in so that it sits 25 ± 0.1 mm below the mating surface of the final gear case.

Install the brake camshaft oil seal in the same manner. It should sit 14.5 ± 0.1 mm below the mating surface of the final gear case.

Lubricate the inside diameter of the oil seals with final gear oil.

Gear Case Oil:
2002: MOBIL Fluid 424
2003 – 2011: MOBIL Fluid 424, CITGO TRANSGARD TRACTOR HYDRAULIC FLUID, or Exxon Hydraul 560

Drive in the rear propeller shaft bearing so that it fits flush with the swingarm. Drive in the bearing with a suitable driver that is the same outside diameter as the bearing.

Install the wet brake components see the Internal Wet Brake topic.

Drive in the bearing outer races with a suitable driver that is the same outside diameter as the race. Lubricate the bearings, O-rings, and the lips of the oil seals with the special grease.

Grease: Amoco Rykon Premium Grease No. 2 Green

Install the bearings and oil seals. Drive the oil seals into place by their outside diameter. They should be fully seated in the swingarm.

Install the collars and O-rings. The O-rings fit into the inside collars.

Lubricate the splines of the rear propeller shaft with molybdenum disulfide grease. Fit the propeller shaft into the swingarm so that the U-joint side faces towards the engine.

Installation

Lubricate the rear splines of the output shaft with molybdenum disulfide grease.

Coat the threads of the right swingarm pivot bolt in a non-permanent thread locking agent (Blue Loctite).

Install the swingarm onto the vehicle. Guide the rear propeller shaft onto the output shaft. Thread the right swingarm pivot all the way in.

Install the left swingarm pivot with the locknut backed off all the way.

Tighten the right swingarm pivot to specification with a 30 mm socket.

Swingarm Pivot Right Shaft: 152 N-m, 15.5 kgf-m, 112 ft-lb

Tighten the left swingarm pivot to specification with a 12 mm Allen.

Swingarm Pivot Left Shaft: 20 N-m, 2.0 kgf-m, 14 ft-lb

Tighten the left swingarm pivot locknut to specification with a 30 mm socket.

Swingarm Pivot Left Nut: 152 N-m, 15.5 kgf-m, 112 ft-lb

Fit the rear propeller shaft boot into place. Install the rear propeller shaft boot clamp and tighten it securely with a Phillips Head Screwdriver.

Install the rear final gear case. See the Final Gear Case topic for more information.

Install the shock absorber. See the Rear Shock Absorber topic for more information.

Install the rear axle. See the Rear Axle topic for more information.

Install the rear wheels. See the Wheels and Hubs topic for more information.