Service and Maintenance
. . . 420
Manual Transmission
(CTS-V Model Only)
Manual Transmission Fluid (GM part no. 88861800).
Automatic
Transmission
DEXRON
®
-VI Automatic transmission fluid.
Transfer Case
(All-Wheel Drive)
Transfer Case Fluid (GM part no. 88861950).
Key Lock Cylinders
Multi-purpose lubricant, Superlube
®
(GM part no. 12346241).
Floor Shift Linkage
Lubriplate
®
lubricant aerosol (GM part no. 12346293) or lubricant meeting
requirements of NLGI grade 2, category LB or GC-LB.
Rear Axle SAE 75W-90 Synthetic axle lubricant (GM part no. 89021677) or equivalent meet-
ing GM Specification 9986115.
Rear Axle (Limited-
Slip Differential)
(CTS Model Only)
SAE 75W-90 Synthetic axle lubricant (GM part no. 89021677) meeting require-
ments of GM 9986115. With a complete drain and refill add 118 ml (4 ounces) of
limited-slip axle lubricant additive (GM part no. 1052358) where required.
Rear Axle (Limited-
Slip Differential)
(CTS-V Model Only)
DEXRON
®
LS gear oil (GM part no. 88862624) meeting requirements of GM
9986290.
USAGE FLUID / LUBRICANT
â– RECOMMENDED FLUIDS AND LUBRICANTS (CONTINUED)
AKENG40_CTS Page 420 Wednesday, July 23, 2008 11:47 AM