Fluid · Rear Differential
Rear Differential
for 2023 Cadillac CT5 2.0L Turbo I4 · AWD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part No. 12378508 or equivalent GL-5
Capacity
1.6qt
1.51 L
Drain & Refill
1.6 qt
1.51 L
Data quality
Book-style estimate
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Notes
AWD system uses rear differential. Lifetime fill per GM, service if contaminated or after submersion
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