Content Source: 2021 GENERAL 4 1000 Owner’s Manual (9939898 R01) > Maintenance Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Gearcases

Transmission (Main Gearcase)

Always check and change the transmission oil at the intervals outlined in the Periodic Maintenance Chart section. Refer to the Gearcase Specifications Chart for recommended lubricants, capacities and torque specifications. See Lubricants / Service Products for the part numbers of POLARIS products.

Oil Check

The fluid check/fill plug is located on the rear of the gearcase. Maintain the oil level even with the bottom of the plug hole threads.

  1. Position the vehicle on a level surface.
  2. Remove the fill plug .
  3. Check the fluid level.
  4. Add the recommended fluid to the bottom of the fill plug hole. Do not overfill.
  5. Reinstall the fill plug. Torque to specification.

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Oil Change

The drain plug is located near the bottom of the gearcase.

  1. Remove the fill plug .
  2. Place a drain pan under the drain plug .
  3. Remove the drain plug. Allow the fluid to drain completely.
  4. Clean and reinstall the drain plug. Torque to specification.
  5. Add the recommended fluid to the bottom of the fill plug hole. Do not overfill.
  6. Reinstall the fill plug. Torque to specification.
  7. Check for leaks. Discard used fluid properly.

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Front Gearcase

Always check and change the front gearcase oil at the intervals outlined in the Periodic Maintenance Chart. Maintain the oil level even with the bottom thread of the fill plug hole. Refer to the Gearcase Specifications Chart for recommended lubricants, capacities and torque specifications. See Lubricants / Service Products for the part numbers of POLARIS products.
ADC Models: Change the front gearcase fluid every 25 hours if the ADC unit is exposed to extreme use. Extreme use includes any of the following:
  • Operation in ADC mode for prolonged periods.
  • Constant ADC operation on hilly or mountainous terrain.
  • ADC is the primary mode of all-wheel-drive operation.
TIP
If the front gearcase makes excessive noise during ADC operation, change the demand drive fluid. If the noise continues, please see your POLARIS dealer or other qualified service person for service.

Oil Check

The front gearcase fill plug is located on the right side of the front gearcase.

  1. Position the vehicle on a level surface.
  2. Place the transmission in PARK.
  3. Remove the fill plug . Check the oil level.
  4. Add the recommended oil as needed.
  5. Reinstall the fill plug. Torque to specification.

Image

Oil Change

  1. Support the vehicle securely with a jackstand.
  2. Remove the fill plug.
  3. Place a drain pan under the drain plug.
  4. Remove the drain plug. Allow the oil to drain completely.
  5. Clean and reinstall the drain plug. Torque to specification.
  6. Add the recommended oil.
  7. Reinstall the fill plug. Torque to specification.
  8. Check for leaks. Discard of used oil properly.

Gearcase Specification Chart

Gearcase Lubricant Capacity Fill Plug Torque Drain Plug Torque
Main Gearcase
(Transmission) 		AGL Gearcase Lubricant & Transmission Fluid 44 oz.
(1300 ml) 		10-14 ft. lbs.
(14-19 Nm) 		10-14 ft. lbs.
(14-19 Nm)
Front Gearcase Demand Drive Fluid 7.5 oz.
(222 ml) 		8-10 ft. lbs.
(11-14 Nm) 		8-10 ft. lbs.
(11-14 Nm)

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