Fluid · Rear Differential
Rear Differential
for 2003 Chevrolet TrailBlazer 4.2L I6 Vortec · RWD
Fluid Type
75W-90 synthetic gear oil
Spec: API GL-5
Capacity
2qt
1.89 L
Drain & Refill
2 qt
1.89 L
Change Interval
50,000 mi
80,450 km
Notes
Standard 8.6" 10-bolt rear. Add 4 oz GM limited slip additive if equipped with limited slip.
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