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Engine Oil > < Fluid - A/T|Capacity Specifications|Page 578
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Fluid - Differential: Specifications

Standard, Riviera..................................................................................................................................80W, 80W-90* GL-5(Gear Oil, API Service GL-5)
Limited-Slip..........................................................................................................................................................................................80W, 80W-90* GL-5*
*For vehicles normally operated in Canada, 80W only
CAPACITY, Refill:                                          
Regal......................................................................................................................................................................................................1.7 Liters     3.5 Pints
Riviera...................................................................................................................................................................................................1.6 Liters     3.3 Pints
LeSabre, Electra RWD:

7-1/2" ring rear............................................................................................................................................................................1.7 Liters     3.5 Pints
8-1/2", 8-3/4" ring gear...............................................................................................................................................................2.0 Liters     4.3 Pints

LIMITED-SLIP IDENTIFICATION:
Tag under rear cover-attaching bolt

Engine Oil > < Fluid - A/T|Capacity Specifications|Page 578