Quadratec Part #:
52421-0080
Crown Automotive Part #:
5012450AA
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Details
Kit Contains One (1) Each of the Following Shims:
.118, .120, .122, .124, .126, .128, .130, .136, .138
.118, .120, .122, .124, .126, .128, .130, .136, .138
- Axle Model: Dana 30
- Axle Position: Front
- Shipping Weight: 2lb
- Shipping Dimensions: 5in x 5in x 5in (L x W x H)
Jeep Grand Cherokee (WJ)
- 2004 Jeep Grand Cherokee (WJ)
- 2003 Jeep Grand Cherokee (WJ)
- 2002 Jeep Grand Cherokee (WJ)
- 2001 Jeep Grand Cherokee (WJ)
- 2000 Jeep Grand Cherokee (WJ)
- 1999 Jeep Grand Cherokee (WJ)
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Questions
Eugenio D.
They are to replace the discs in the varilock system

This shim set is intended for adjusting the backlash and setting the differential bearing preload. It is NOT explicitly stated that these shims are specifically designed to replace the discs within the Vari-Lok system.
The Vari-Lok system is a type of limited-slip differential that uses gerotor pumps and clutch packs to provide torque transfer. While shims are used in differential rebuilds and adjustments, the components within the Vari-Lok system that wear and would typically need replacement are the clutch discs themselves, not necessarily standard differential shims.
Therefore, it is highly unlikely that the Crown Automotive 5012450AA Dana 30 Differential Shim Set is intended to directly replace the discs in the Vari-Lok system.
The Vari-Lok system is a type of limited-slip differential that uses gerotor pumps and clutch packs to provide torque transfer. While shims are used in differential rebuilds and adjustments, the components within the Vari-Lok system that wear and would typically need replacement are the clutch discs themselves, not necessarily standard differential shims.
Therefore, it is highly unlikely that the Crown Automotive 5012450AA Dana 30 Differential Shim Set is intended to directly replace the discs in the Vari-Lok system.
Eugenio D.
Hello, can this disc kit be used to repair the Varilok system?

While this shim kit is for the Dana 30 front differential found in your Jeep, it's not specifically a "repair kit" for the internal workings of the Vari-Lok system. If your Vari-Lok is malfunctioning, you would likely need a rebuild kit containing the specific clutch plates, seals, and potentially other internal parts designed for the Vari-Lok differential itself.
You might find rebuild kits specifically labeled for the Dana 30 Vari-Lok differential, which would include the necessary internal components for repair. The Crown Automotive 5012450AA shim set could be used during the rebuild process to ensure proper gear setup after replacing the internal Vari-Lok components.
You might find rebuild kits specifically labeled for the Dana 30 Vari-Lok differential, which would include the necessary internal components for repair. The Crown Automotive 5012450AA shim set could be used during the rebuild process to ensure proper gear setup after replacing the internal Vari-Lok components.