Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1991BLAZER FULL SIZE V8-379 6.2L DSLREPAIR AND DIAGNOSISSPECIFICATIONSCAPACITY SPECIFICATIONSMAINTENANCEDIFFERENTIAL, FINAL DRIVE
1991 Chevrolet Blazer Full Size V8-379 6.2L DSL
Differential, Final Drive
1991 Chevrolet Blazer Full Size V8-379 6.2L DSLSECTION Differential, Final Drive
TYPE:
Standard & Locking 80W, 80W-90* GL-5
*For vehicles normally operated in Canada, 80W only
CAPACITY, Refill:
Front:
K-10/15, -20/25 1988-93 1.7 Liters 3.6 Pints
K-30/35 1988-94 2.1 Liters 4.6 Pints
V-10/15, -20/25 1988-89 1.9 Liters 4.0 Pints
V-30/35 1988-89 2.8 Liters 6.0 Pints
V-10/15, -20/25 1990-91 1.7 Liters 3.6 Pints
V-30/35 1990-91 2.1 Liters 4.6 Pints
Rear:
Chev. 8-1/2" ring gear 2.0 Liters 4.2 Pints
Chev. 9-1/2" ring gear 2.6 Liters 5.5 Pints
Chev. 10-1/2" ring gear 3.4 Liters 7.2 Pints
Dana 9-3/4" ring gear 2.6 Liters 5.5 Pints
Dana 10-1/2" ring gear 2.6 Liters 5.5 Pints
Dana 11" ring gear 4.0 Liters 8.2 Pints
Rockwell 12" ring gear 6.6 Liters 14.0 Pints
Standard & Locking 80W, 80W-90* GL-5
*For vehicles normally operated in Canada, 80W only
CAPACITY, Refill:
Front:
K-10/15, -20/25 1988-93 1.7 Liters 3.6 Pints
K-30/35 1988-94 2.1 Liters 4.6 Pints
V-10/15, -20/25 1988-89 1.9 Liters 4.0 Pints
V-30/35 1988-89 2.8 Liters 6.0 Pints
V-10/15, -20/25 1990-91 1.7 Liters 3.6 Pints
V-30/35 1990-91 2.1 Liters 4.6 Pints
Rear:
Chev. 8-1/2" ring gear 2.0 Liters 4.2 Pints
Chev. 9-1/2" ring gear 2.6 Liters 5.5 Pints
Chev. 10-1/2" ring gear 3.4 Liters 7.2 Pints
Dana 9-3/4" ring gear 2.6 Liters 5.5 Pints
Dana 10-1/2" ring gear 2.6 Liters 5.5 Pints
Dana 11" ring gear 4.0 Liters 8.2 Pints
Rockwell 12" ring gear 6.6 Liters 14.0 Pints
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.