Specifications
Clean any dirt from around the differential drain 
plug.  
Remove the drain plug and washer from the 
differential.  
Drain the fluid.  
Install the drain plug and washer to the differential. 
Tighten the differential drain plug to 35 N·m (26 lb 
ft). 
Clean any dirt from around the differential fill plug. 
Remove the fill plug and washer from the 
differential.  
Important: Prior to adding the limited-slip axle 
additive, the bottle MUST be shaken vigorously for 
at least 1 minute to mix the additive thoroughly, 
then immediately poured into the differential.  
Add 237 ml (8.0 oz) limited-slip axle additive, 
P/N 
1052358 
(Canadian P/N 992694).  
Fill the differential with synthetic axle lubricant, 
P/N 89021677 
(Canadian P/N 89021678).  
Check the fluid level to ensure it is even with the 
bottom of the fill plug hole to no lower than 6 mm 
(0.25 in) below the opening.  
Install the fill plug and washer to the differential.  
Tighten the differential fill plug to 35 N·m (26 lb ft).
Lower the vehicle.  
Once the differential fluid has been changed, the 
vehicle must be driven in 8-10 tight figure eight 
maneuvers to heat the fluid and allow the additive 
to be worked into the clutch plates.  
Part #: 89021677 (89021678 In Canada) 
Description: Synthetic Axle Lubricant 
Quantity: 2 (3 for Z06 and Export) 
Part #: 1052358 (992694 In Canada) 
Descrption: Limited-Slip Axle Additive 
Quantity: 2 
For vehicles repaired under warranty, use: 
Labor Operation: F9709* 
Description: Drain & Refill Rear Axle Fluid 
Labor Time: 0.6 hr 
*This is a unique labor operation number for 
bulletin use only. It will not be published in the 










