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.
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HOMESERVICE MANUALSJEEP1987COMANCHE BASE, 4.0 M, 4WD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 4 (DRIVE AXLE RATIO IDENTIFICATION)MODEL IDENTIFICATION
1987 Jeep Comanche Base, 4.0 M, 4WD, Standard
Model Identification
1987 Jeep Comanche Base, 4.0 M, 4WD, StandardSECTION Model Identification
WARNING: This page is about a different car, the 1995 GMC Safari and 1995 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
MODEL IDENTIFICATION
| Series (1) | Model | ||
|---|---|---|---|
| "L" | AWD Astro & Safari | ||
| "M" | 2WD Astro & Safari | ||
|
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NOTE:
Axle ratio can be identified by the first 3 characters of code that is stamped on axle tube. Refer to the appropriate AXLE RATIO IDENTIFICATION
table. Drive axle is match-balanced with pinion flange (creates a harmonic member that reduces driveline vibration). When replacing ring and pinion gear set, pinion flange assembly, or pinion bearings, replace entire axle assembly with a match-balanced axle assembly.
RENDER: 1.0x
NO RELATED
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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.